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183 Cards in this Set
- Front
- Back
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An Orange and White Buoy with a danger marking on it would have what symbol? A. Open - faced diamond B. Diamond with a cross C. Circle D. Square |
A. |
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Exclusion area buoy |
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Restricted Operations Buoy |
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Light List Volumes |
First District - Volume I (NJ to ME) Fifth District - Volume II (NC to PA) Seventh District - Volume III (SC to FL) Eighth District - Volume IV (Gulf of Mexico) Eighth District - Volume V (Western Rivers) Ninth District - Volume VII (Great Lakes) Eleventh, Thirteenth, Fourteenth, and Seventeenth Districts - Volume VI (AK, HI, West Coast) |
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A white buoy with an orange rectangle indicates______ a. an anchorage b. a fish net area c. mid-channel d. general information |
D. |
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perihelion |
is the point in the orbit of a planet, asteroid or comet where it is nearest to the sun |
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solar year |
the length of time that the Sun takes to return to the same position in the cycle of seasons, as seen from Earth (about 365 1/4 days) |
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On an Isomagnetic Chart, the line of zero variation is the ______ a. zero variation line b. isogonic line c. variation line d. aganonic line. |
d. aganonic line. |
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The blinking of a Loran C signal indicates______ a. the signal is in proper sequence b. there will be no increase or decrease in kilohertz c. there is an error in the transmission of that signal d. that it has the proper GRI |
c. there is an error in the transmission of that signal |
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Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are ____ a. accurate only in the polar regions b. accurate electronic servo mechanisms c. hand operated d. accurate only if the vessel is underway |
b. accurate electronic servo mechanisms |
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A vessel is steaming in east longitude on January 25 and crosses the International Date Line on an eastbound course at 0900 zone time. What is the date and time at Greenwich when the vessel crosses the line? a. 0900, 24 January b. 2100, 24 January c. 2100, 25 January d. 0900, 25 January |
b. 2100, 24 January |
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Your have replaced the chart paper in the course recorder. What is NOT required to ensure that a correct trace is not recorded? a. test the electrical gain to the thermograph pens. b. set the zone pen on the correct quadrant c. line the course pen up on the exact heading of the ship d. adjust the chart paper to indicated the correct time. |
a. test the electrical gain to the thermograph pens |
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The stand of the tide is that time when___ a. the vertical rise or fall of the tide has stopped b. slack water occurs c. tidal current is at a maximum d. the actual depth of the water equals the charted depth |
a. the vertical rise or fall of the tide has stopped |
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A buoy having red and green horizontal bands would have a light characteristic of a. interrupted quick flashing b. composite group flashing c. Morse A d. quick flashing |
b. composite group flashing |
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A vessel's position should be plotted using bearings of a. buoys close at hand b. fixed known objects on shore c. buoys at a distance d. all of the above |
b. fixed known objects on shore |
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When a gyropilot is used for steering, what control is adjusted to compensate for varying sea conditions? a. rudder control b. sea control c. lost motion adjustment d. weather adjustment |
d. weather adjustment |
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Local notice to mariners is usually published a. daily b. weekly c. monthly d. semiannually |
b. weekly |
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A strong, often violent wind occurring on the Pacific coast of Mexico, particularly during the colder months is a. Papagayo b. fall wind c. foehn d. williwaw |
b. fall wind |
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Charts showing the coast of Mexico are produced by the United States a. National Imaging and Mapping Agency b. Coast Guard c. Naval Observatory d. National Ocean Service |
a. National Imaging and Mapping Agency |
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4. When using the ARPA in heavy rain, which action should you take? |
C. Navigate as though the effective range of the radar has been reduced. |
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5. What term is used to describe a tank barge constructed with the structural framing outside the cargo tank and the cargo tank plating separated from the shell plating? |
B. Double hull |
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6. The Flinders bar on a magnetic compass compensates for the __________.
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A. induced magnetism in vertical soft iron |
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7. In the horizon system of coordinates what is equivalent to the parallels of declination of the celestial equator system?
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B. Parallels of altitude |
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9. Your ARPA has been tracking a target and has generated the targets course and speed. The radar did not receive a target echo on its last two scans due to the weather. What should you expect under these circumstances?
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A. The ARPA will generate data as if the target was still being tracked by radar. |
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10. ECDIS must have the capability to preserve the record of the track for the previous __________. |
B. 12 hours |
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12. The parallax angle will vary the most with the time of year for __________. |
A. Venus |
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How is the intensity of light expressed in the light list? |
C. Nominal Range |
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In Region A of the IALA Buoyage System, when entering from seaward, the starboard side of a channel would be marked by a __________ |
A. Green conical buoy |
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15. Which of the following statements is TRUE regarding automatic identification systems (AIS) ?
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C. AIS can be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is not relieved from the requirement to sound whistle signals or make arrangements via bridge-to-bridge radiotelephone. |
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19. A time diagram is a diagram of the celestial sphere as observed from above the __________. |
A. south celestial pole |
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1. When launching an open lifeboat by falls, the boathooks should be __________.
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C. used for fending off |
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2. Mechanical gearing of deck machinery such as the windlass or towing engine should __________.
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B. have a guard over the gearing |
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3. Spoil grounds, anchorage areas, cable areas, and military exercise areas are all marked by yellow buoys. Which special mark on the buoy will indicate the specific area you are in? |
C. Lettering on the buoy |
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4. The analysis of damaged stability for the DEEP DRILLER, disregards the beneficial effects of countermeasures and __________. |
D. mooring system |
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7. In an emergency, the jacking system on the COASTAL DRILLER is capable of elevating the unit with a loading of __________. |
C. 17,280 kips |
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8. The slope of a warm front is about __________. |
C. 1 mile vertically to 150 miles horizontally |
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10. In working out a local apparent noon sight for your latitude, you subtract the Ho from 90°. The 90° represents the angular distance from __________. |
B. your horizon to your zenith |
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12. Depending on its concentration, which product(s) can be classified as either grade D or E? |
B. Formaldehyde solutions 37% to 50% |
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13. A semisubmersible with a displacement of 20,000 long tons and a KG of 52 feet discharges 300 long tons of barite from P-tanks located 120 feet above the keel. What is the change in KG? |
C. 1.04 feet downward |
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15. What should the GMDSS radio operator consult to review the proper procedures to be followed in distress situations under GMDSS? |
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18. On a passenger vessel with stateroom accommodations, which space would NOT be required to be checked by the patrol between 10 pm and 6 am?
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C. pilothouse |
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20. The rescue boat on an OSV is not required to carry a __________. |
A. fishing kit |
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The U.S. Coast Guard publishes __________ |
A. Light Lists |
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25. Under normal operating conditions, the rudder is hydraulically locked unless __________. |
A. the manual trick wheel is engaged for steering |
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28. If you have a liquefied flammable gas barge in tow, which is NOT required of you with respect to the barge and its cargo?
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D. Verify ullage readings. |
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32. In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n) __________. |
B. double high water |
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34. What is NOT a responsibility of the tankerman in charge of loading an unmanned tank barge? |
C. Insuring that a combustible gas indicator is aboard |
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Which spoken emergency signal would you use to call a boat to come assist a man overboard? |
B. Urgency signal |
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37. On offshore drilling units, the EPIRB on board is required to be tested __________.
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C. monthly |
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38. The region of high pressure extending around the Earth at about 35°N latitude is called the __________. |
B. horse latitudes |
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40. Descending boats, while awaiting their turn to enter a lock, shall NOT block traffic from the lock. They shall be above the lock by at LEAST __________. |
D. 400 feet |
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A. the axis of rotation is tilted about 6.5° to the axis of revolution |
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42. What would most likely prevent a SART's signal from being detected? |
C. The rescue personnel were monitoring the 10-cm radar |
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C. Booklet Form |
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55. On open lifeboats, the purpose of the wire stretched between the davit heads is to __________.
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D. support the manropes |
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When a buoy is in position only during certain periods of the year, where may the dates when the buoy is in position be found? |
A. Light List |
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[18] BOTH INTERNATIONAL & INLAND If a towing vessel and her tow are severely restricted in their ability to deviate from their course, they may show lights in addition to their towing identification lights. These additional lights may be shown if the tow is __________. |
C. towed astern |
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[11] BOTH INTERNATIONAL & INLAND Which day-shape must be shown by a vessel 25 meters in length aground during daylight hours? |
C. Three black balls |
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6. BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is not required to show anchor lights?
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D. A vessel engaged in fishing |
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59. Which correction(s) must be applied to an aneroid barometer? |
A. Instrument error and height error |
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58. Reinforcing frames attached to a bulkhead on a MODU are called __________. |
C. stiffeners |
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BOTH INTERNATIONAL & INLAND A 200-meter vessel restricted in her ability to maneuver, at anchor, will sound a fog signal of __________. |
5 second ringing of the bell forward, 5 second sounding of the gong aft every one minute. |
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INLAND ONLY You are crossing the course of another vessel which is to your starboard. You have reached an agreement by radiotelephone to pass astern of the other vessel. You MUST __________. |
D. None of the above |
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You are off the coast of South Africa, when a seaman is injured. What indicator should be used in a message requesting medical advice from a South African station? |
D. PORT HEALTH |
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A carburetor is required to have a safety device called a(n) __________. |
B. backfire flame arrestor |
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The recording fathometer produces a graphic record of the __________. |
B. depth underneath the keel against a time base |
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Normal pool elevation is the height in feet of the section of river above a dam. This height is measured from __________. |
B. mean sea level |
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Which ocean current is "warm" based on the latitude in which it originates and on the effect it has on climate? |
A. Kuroshio Current |
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Your vessel is damaged, listing to port and on occasion flopping to the same angle to starboard. It has a long, slow, sluggish roll around the angle of list. There is excessive trim by the stern with little freeboard aft. What action should you take FIRST to correct this situation? |
D. Press up any slack double-bottom tanks forward of the tipping center, then fill the forepeak if empty. |
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Why should foam be banked off a bulkhead when extinguishing an oil fire? |
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A person has fallen overboard and is being picked up with a rescue boat. If the person appears in danger of drowning, the rescue boat should be maneuvered to make____________________. |
C. the most direct approach |
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The definition of "partially protected waters", as used in the Regulations does not include __________. |
D. sheltered waters presenting no special hazard |
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Two navigational hazards are located near to each other, but each is marked by an individual cardinal buoyage system. The buoys of one cardinal system may be identified from the other system by __________. |
D. the difference in the periods of the light |
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Sometimes foreign charts are reproduced by NGA (NIMA). On such a chart, a wire-dragged, swept area may be shown in green or __________. |
C. purple |
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27. Fire dampers prevent the spread of fire by __________. |
C. convection |
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8. Which statement about immersion suits is TRUE? |
C. Immersion suits must have a PFD light attached to the front shoulder area. |
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Inflatable liferafts are provided with __________. |
A towing connection. |
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Aboard small passenger vessels, which material may be used for diesel fuel line installations but not for gasoline fuel lines? |
D. Seamless steel pipe or tubing |
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The current that, in many respects, is similar to the Gulf Stream is the __________. |
D. Benguela Current |
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The Light List indicates that a dayboard is a type NB. You should __________. |
C. expect a daymark of no lateral significance |
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2. What is the international distress frequency for radiotelephones? |
C. 2182 kHz |
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A current moving across a lock entrance toward the river or toward the dam is called a(n) __________. |
B. outdraft |
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What is the international distress frequency for radiotelephones? |
C. 2182 kHz |
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From which type of cloud can a tornado or waterspout develop? |
C. Cumulonimbus |
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In the horizon system of coordinates what is equivalent to latitude on the Earth? |
A. Altitude |
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How is a safe water mark, that can be passed close aboard on either side, painted and lighted? D. Red and white stripes with a Morse (A) light
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D. Red and white stripes with a Morse (A) light |
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The reaction of a gyrocompass to an applied force is known as __________. |
A. precession |
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The channel under a bridge is marked with lights of the lateral system. The centerline of the channel shall be marked on the bridge by __________. |
A. an occulting white light |
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The radar control that shortens all echoes on the display and reduces clutter caused by rain or snow is the __________. |
D. fast time constant (differentiator) |
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The standard magnetic compass heading differs from the true heading by __________. |
A. compass error |
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Which would you consult for information about the general current circulation in the North Atlantic Ocean? |
A. Pilot chart |
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Chart legends which indicate a conspicuous landmark are printed in __________. |
B. capital letters |
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What lights would you see on the Illinois waterway when any wickets of the dam or bear traps are open, or partially open, which may cause a set in the current conditions in the upper lock approach? |
B. Red over amber (yellow) |
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What agency of the U.S. Government issues charts of U.S. waters and Coast Pilots? |
A. National Ocean Service |
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The speed of sound through ocean water is nearly always __________. |
A. faster than the speed of calibration for the fathometer |
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Which statement about a simple conic chart projection is TRUE? |
D. The scale is correct along any meridian. |
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"Surface circulation" is another term for __________, |
wind in the lower troposphere. |
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In the absence of external forces, adding weight on one side of a floating vessel causes the vessel to __________, |
heal until the center of buoyancy is aligned with the center of gravity. |
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When providing first aid to a victim of gas poisoning, the MOST important symptom to check for is __________, |
suspension of breathing. |
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Which instrument may a towing vessel, engaged in towing exclusively on the Western Rivers, use in place of a magnetic compass? |
Illuminated swing meter. |
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An anchor winch should be equipped with mechanical brakes capable of holding __________, |
the full breaking strength of the mooring line. |
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Which weather system produces strong cold winds called "Northers" during the winter months in the Gulf of Mexico? |
High pressure. |
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The time interval between successive wave crests is called __________, |
the wave period. |
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When the height of the metacenter is greater than the height of the center of gravity, the upright equilibrium position is stable and stability is __________,
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positive. |
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The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called __________, |
ignition temperature |
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The EPIRB on board your vessel is required to be tested __________, |
monthly |
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Your vessel is certificated to carry 50 persons. You are required to have __________ lifejackets. |
50 adult, 5 children |
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You are underway on course 050°T and your maximum speed is 12 knots. The eye of a hurricane bears 080°T, 100 miles from your position. The hurricane is moving towards 265°T at 22 knots. What course should you steer at 12 knots to have the maximum CPA? |
208 T |
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What is most likely to happen when you push a multiple tow into a countercurrent? |
There is a chance you will break up the tow. |
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When using a crane for transferring personnel in a basket, the load hook must be equipped with a ___ , |
a safety latch. |
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It is desirable that a vessel encountering hurricane or typhoon conditions sends weather reports to the closest meteorological service at least every __________, |
every 3 hours. |
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Advection fog may be formed by warm moist air passing over a __________, |
cold surface. |
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In Region A of the IALA Buoyage System, when entering from seaward, the port side of a channel would be marked by a __________, |
red can buoy. |
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You are on course 180°T and take a relative bearing of a lighthouse of 225°. What is the true bearing of the lighthouse? |
45°T |
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The principal danger from ice collecting on a vessel is the _________, |
loss of stability. |
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If you must jump from a vessel, the correct posture includes __________, |
Feet together, arms crossed over the preserver to hold it down, cover mouth and nose with hand. |
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Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher? |
Insure the chemical is powdery. |
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In Region A of the IALA Buoyage System, when entering from seaward, the port side of a channel would be marked by a __________. |
B. Red can buoy |
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The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called __________. |
C. ignition temperature |
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The EPIRB on board your vessel is required to be tested __________. |
B. monthly |
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You are underway on course 050°T and your maximum speed is 12 knots. The eye of a hurricane bears 080°T, 100 miles from your position. The hurricane is moving towards 265°T at 22 knots. What course should you steer at 12 knots to have the maximum CPA? |
B. 208° |
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When using a crane for transferring personnel in a basket, the load hook must be equipped with a __________. |
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It is desirable that a vessel encountering hurricane or typhoon conditions sends weather reports to the closest meteorological service at least every __________. |
B. 3 hours |
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3. The Earth's irregular heating is caused by __________. A. the time of day B. the seasons C. geography D. All of the above |
D. All of the above
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4. The magnetic compass magnets are acted on by the horizontal component of the Earth's total magnetic force. This magnetic force is GREATEST at the __________. A. north magnetic pole B. south magnetic pole C. magnetic prime vertical meridian D. magnetic equator |
D. magnetic equator |
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8. When the declination of the Moon is 0°12.5'S you can expect some tidal currents in Gulf Coast ports to __________. A. exceed the predicted velocities B. become reversing currents C. have either a double ebb or a double flood D. become weak and variable |
C. have either a double ebb or a double flood |
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12. Most GPS receivers use the Doppler shift of the carrier phase to compute __________. A. Latitude B. Longitude C. Speed D. Time |
C. Speed
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18. Loran-C operates on a single frequency centered on __________. A. 100 kHz B. 500 kHz C. 1,850 kHz D. 1,950 kHz |
A. 100 kHz
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Distance along a track line is measured on a Mercator chart by using the __________. |
Latitude scale near the middle of the track line.
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11. Hand tillers are only accepted as an auxiliary means of steering if __________. A. they are at least 6 feet long B. they are not operated through a reduction gear C. they are found satisfactory by the cognizant OCMI D. Both A and C above |
C. they are found satisfactory by the cognizant OCMI
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12. Vessels regularly navigating rivers above Cairo Illinois shall at all times have on board a copy of __________. A. Sailing Directions B. Nautical Almanac for the year C. U.S. Coast Pilot D. U.S. Army Corps of Engineers Regulations (Blue Book) |
D. U.S. Army Corps of Engineers Regulations (Blue Book) |
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13. Which is NOT a mandatory part of the shipboard Oil Pollution Emergency Plan? A. Reporting requirements B. Diagrams C. Steps to control a discharge D. National and local coordination |
B. Diagrams
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Radiation spreads a fire by __________
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transferring heat across an unobstructed space.
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Sudden unloading of a diesel engine can cause __________
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overspeed trip.
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If you must enter water on which there is an oil fire you should __________ |
enter on the windward side. |
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The most detrimental effect on initial stability is a result of liquids __________
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flowing in and out of a holed wing tank.
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When adjusting a magnetic compass using the fore-and-aft permanent magnets you should __________ |
use the magnets in pairs from the bottom up with the trays at the lowest point of travel. |
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Why is carbon dioxide (CO2) better than dry chemical for fighting a class "C" fire?
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The dry chemical leaves a residue.
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You are required to enter a lock on your voyage. Information on the lock regulations signals and radio communications can be found in __________ |
Coast Pilot |
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According to Buys Ballot's law when an observer in the Northern Hemisphere experiences a northeast wind the center of low pressure is located to the __________ |
South/Southeast. |
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A pilot chart does NOT contain information about __________
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tidal currents.
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You determine your vessel's position by taking a range and bearing to a buoy. Your position will be plotted as a(n) __________
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estimated position.
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The effects of free surface on a vessel's initial stability do NOT depend upon the __________
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amount of liquid in slack tanks.
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A moment of 300 ft-tons is created by a force of 15,000 tons. What is the moment arm? |
0.02 feet. |
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Heavy fuel oils when spilled are __________
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less harmful to marine life.
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What is meant by the term "overhaul" in firefighting?
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Break up solid objects to ensure that any deep seated fires are extinguished.
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Whenever a "T-Boat" is hauled out for repairs or alterations affecting its safety you must __________
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notify the cognizant OCMI.
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When a wind force causes a vessel to heel to a static angle, the __________ |
righting moment equals the wind healing moment. |
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A vessel operating outside of coastal waters must carry an automatically activated Emergency Position Indicating Radio Beacon (EPIRB) if she __________
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has berthing and galley facilities.
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You are on a vessel engaged in fishing other than trawling and have gear extending more than 150 meters horizontally from the vessel. Which day-shape must you show in the direction of the outlying gear? |
A triangle pointing upward. |
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At night a vessel constrained by her draft displays _______? |
Three red lights. |
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Deviation which is maximum on intercardinal compass headings may be removed by the __________.
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soft iron spheres on the sides of the compass.
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Neap tides occur when the ____________.
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Moon is in its first quarter and third quarter phases.
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A stretch where the channel changes from one side of the river to the other is called a __________.
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crossing.
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You wish to get the latest weather forecasts for the Falkner Island area. On what frequency would you set your FM radio for this information? |
162.40 Mhz. |
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17. An orange and white buoy with a rectangle on it displays __________. A. directions B. distances C. locations D. All of the above |
D. All of the above.
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6. Which statement is FALSE concerning precautions during small craft fueling operations? A. All engines motors fans etc. should be shut down when fueling. B. All windows doors hatches etc. should be closed. C. A fire extinguisher should be kept nearby. D. Fuel tanks should be topped off with no room for expansion. |
D. Fuel tanks should be topped off with no room for expansion.
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7. The distance to the nearest vertex from any point on a great circle track cannot exceed __________. A. 5400 nautical miles B. 5840 nautical miles C. 6080 nautical miles D. 10800 nautical miles |
A. 5400 nautical miles
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38. Northern right whales can be identified by __________. A. whitish patches of skin on top of the head B. "V" shaped blow easily visible from ahead or behind C. no dorsal fin on the back D. All of the above |
D. All of the above.
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47. The percentage of the total surface area or volume of a flooded compartment that can be occupied by water caused by damage is known as __________. A. one compartment standard B. center of flotation C. permeability D. form gain |
C. permeability
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57. What is the calling and distress frequency on a single side band (SSB) marine radiotelephone? A. 1492 kHz B. 1892 kHz C. 2082 kHz D. 2182 kHz |
D. 2182 kHz |
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INTERNATIONAL ONLY Which signal is required to be sounded by a power-driven vessel ONLY?
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A signal when approaching a bend.
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Opposition occurs when __________.
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The earth is between a planet and the Sun.
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Vessels operating in warm water whose routes are restricted to 20 miles from a harbor of safe refuge shall carry life floats or buoyant apparatus for not less than __________. (small passenger vessel regulations)
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50% of all persons on board.
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CO2 cylinders forming part of a fixed fire extinguishing system must be pressure tested at least every __________.
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12 years.
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If your liferaft is to leeward of a fire on the water you should FIRST __________.
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cut the line to the sea anchor.
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The "horse latitudes" are regions of __________.
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light airs and calms. |
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Which magnetic compass corrector(s) CANNOT be set while the vessel is on a heading of magnetic north or magnetic south? |
Flinders bars. |
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You are sailing the navigable waters of the United States. You must have a currently corrected copy (or extract) of the __________.
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Tide tables. |
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After an engine is started you should __________. |
Check the operating temperatures and pressures and check for leaks. |
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Storage batteries should be charged in a well-ventilated area because __________. |
they emit hydrogen. |
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When slanted letters are used to spell the name of a charted object you know the __________. |
Cover and uncover with the tide. |
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1. The difference in water spray pattern between the high-velocity tip and low-velocity applicator used with the all-purpose nozzle is due to __________. A. a difference in water pressure B. the method of breaking up the water stream C. the length of the applicator D. All of the above |
B |
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3. Time signals broadcast by WWV and WWVH are transmitted __________. A. every 15 minutes B. every 30 minutes C. every hour D. continuously throughout day |
D
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4. A crew member has suffered frostbite to the toes of both feet. You should __________. A. immerse the feet in warm water B. warm the feet with a heat lamp C. warm the feet at room temperature D. rub the feet |
A |
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Distance to visible horizon |
1.17 X (Square root of height of eye + square root of height of object) |
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Distance to radar horizon |
1.22 X (Square root of height of eye + square root of height of object) |
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35. What is the normal operating power for ship-to-ship communications on channel 13?, A. 1 watt or less B. 5 watts C. 10 watts D. 20 watts |
A. 1 watt or less |
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1. INLAND ONLY Signals shall be sounded by a power-driven vessel intending to overtake __________. A. any vessel when within half a mile of that vessel B. another power-driven vessel when both power-driven vessels are in sight of one another C. any vessel when both are in sight of one another D. another power-driven vessel only when within half a mile of that power-driven vessel |
B. another power-driven vessel when both power-driven vessels are in sight of one another |
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15. BOTH INTERNATIONAL & INLAND A vessel shall slacken her speed, stop, or reverse her engines, if necessary, to __________. A. avoid collision B. allow more time to assess the situation C. be stopped in an appropriate distance D. All of the above |
B. allow more time to assess the situation |
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7. Your chart indicates that there is an isolated rock and names the rock using vertical letters. This indicates the __________. A. rock is visible at low water springs only B. rock is a hazard to deep draft vessels only C. rock is dry at high water D. exact position of the rock is doubtful |
C. rock is dry at high water |
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7. What is the "holding power ratio" of an anchor? A. Maximum mooring line tension divided by the anchor's weight in air B. Anchor's weight in air divided by the maximum mooring line tension C. Preloading tension divided by the anchor's weight in air D. Operating tension divided by the anchor's weight in air |
A. Maximum mooring line tension divided by the anchor's weight in air |
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58. The indication of a slipping anchor is a(n) __________. A. decrease in mooring line length B. increase in the opposite amperage C. increase in the opposite line tension D. decrease in mooring line tension and amperage |
D. decrease in mooring line tension and amperage |
