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44 Cards in this Set
- Front
- Back
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Before using any type of torque wrench, what must you ensure has been done to the torque wrench so that it will give an accurate reading?
a. It has been torqued b. It has been calibrated c. It has been cleaned d. It has been false torqued |
b. It has been calibrated
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Before a vernial dial caliper is used, it should always be zeroed. What recommended procedure, if any, should you use to do this?
a. Close the jaws of the caliper and align the marks on the bezel b. Close the jaws and record the measurement as shown and subtract this reading from the measured readings c. Use a calibrated measure block and check the dial reading against a known reading of the calibration block d. None, the calipers will automatically reset to zero after use. |
a. Close the jaws of the caliper and align the marks on the bezel
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Where is the face of the tongue on a steel square located?
a. The outside edge of the longer leg of the square b. The inside edge of the longer leg of the square c. The outside edge of the shorter leg of the square d. The inside edge of the shorter leg of the square |
b. The inside edge of the longer leg of the square
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When using an uager bit with a coarse screw bit, (a) you can expect what type of cut from the auger bit and (b) for what reason?
1.(a) A Smooth cut (b) Because the bit is drawn through the wood faster 2.(a) A smooth cut (b) Because the bit is rotated faster as it is drawn through the wood 3.(a) A rough cut (b) Because the bit is drawn through the wood faster 4.(a) A rough cut (b) because the bit is rotated slower as it is drawn through the wood. |
3.(a) A rough cut
(b) Because the bit is drawn through the wood faster |
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You are using a twist drill bit that has a point ground to 118 degrees. What (a) type of point is this and (b) material should you bore with it?
1.(a) Regular point (b) Wood and soft metals 2.(a) Regular point (b) hard metals 3.(a) Flat point (b) wood and soft metals 4.(a) Flat point (b) hard metals |
1.(a) Regular point
(b) Wood and soft metals |
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What is the determining factor when classifying a cold chisel?
a. The type of chip made from the cutting process b. The angle that the cutting tip is ground to c. The shape of the head d. The shape of the point |
d. The shape of the point
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After several blows to the head of a chisel, it will begin to deform. (a) What is this deformation called and (b) why is it important that you remove this deformation?
1.(a) Mushrooming (b) because it could break off in small flying pieces 2. (a) Mushrooming (b) because it could curl over and pinch your fingers 3.(a) Peeling (b) because it could curl over and pinch your fingers 4.(a) Peeling (b) because it could create rough edges that could cut your fingers. |
1.(a) Mushrooming
(b) because it could break off in small flying pieces |
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Which of the following factors determine the grade of a file?
a. Shape and teeth size b. Degree of fineness and cut of teeth c. Tang size and cut of teeth d. Teeth shape and size |
b. Degree of fineness and cut of teeth
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What type of files have criss crossed rows of teeth and are fast-cutting?
a. single-cut b. double-cut c. cross-cut d. coarse-cut |
b. double-cut
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What are the 2 parts of a hacksaw?
a. Frame and handle b. Frame and blade-adjusting mechanism c. Frame and blade d. Handle and blade |
c. Frame and blade
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The teeth of a hacksaw blade are pushed out in opposite directions from the side of the blade. What is this condition called?
a. Set b. Rake c. Offset d. Spacing |
a. Set
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What should be your primary consideration when selecting the proper hacksaw blade?
a. Width fo the blade b. Temper of the blade c. Length of the blade d. Teeth per inch |
d. Teeth per inch
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Most bolt threads are classified as either American National Fine or American National Coarse. What is the difference between these two designations?
a. The finish of the threads b. The length that the bolt is threaded c. The number of threads per inch d. The process used to cut the threads |
c. The number of threads per inch
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What is the major difference between pipe threads and machine threads?
a. Pipe threads are tapered b. The number of threads per inch c. The size of threads cut d. The process used to cut the threads |
b. The number of threads per inch
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When cutting threads in a blind hole, what tap should you use to finish the thread-cutting process?
a. Taper b. Plug c. Bottoming d. Pipe |
b. Plug
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In thread terminology, which of the following phrases best describes the word "pitch"?
a. Threads per inch b. The distance from the crest of the one thread to the crest of the adjoining thread c. The total distance that a bolt is threaded d. The angle of the thread |
a. Threads per inch
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If a threaded hole is to be made in a piece of metal, a hole of suitable size must first be drilled. The diameter of this hole should be what percentage of the difference between the major and minor diameters?
a. 75 b. 80 c. 85 d. 90 |
a. 75
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When tapping a hole in a piece of stock, how far should you turn the tap before backing it off to break off the metal chips?
a. one-quarter turn b. one-half turn c. one full turn d. Until the tap cannot be turned forward |
a. one-quarter turn
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Of the different types of feed used on power hacksaws, which type exerts a constant pressure on the cutting stock unless a hard spot is encountered?
a. Mechanical b. Variable c. Gravity d. Hydraulic |
d. Hydraulic
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What minimum number of teeth on a power hacksaw blade must make contact at all times with the stock being cut?
a. 1 b. 2 c. 3 d. 5 |
b. 2
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How is the speed at which a power hacksaw cuts measured?
a. revolutions-per-minute b. Cuts-per-minute c. Blade speed-per-minute d. Strokes-per-minute |
d. Strokes-per-minute
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Why should you use coolants when using a power hacksaw to cut a piece of metal?
a. To prevent overheating of the blade b. to prevent overheating of the stock\ c. To increase the cutting rate d. Each of the above |
d. Each of the above
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Which of the following phrases describes the set of a saw band?
a. the number of teeth per linear inch b. the spread given to the teeth c. the pattern to which the teeth are set d. A group of teeth on the band that are identical in shape and function |
b. the spread given to the teeth
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Before using a grinding wheel on the pedestal grinder, you should always check the tool rest for proper position. what is the proper position?
a. Within 1/8 inch of the wheel and level with the center of the wheel b. Within 1/8 inch of the wheel and slightly off center c. Within 3/16 inch of the wheel and level with the center of the wheel d. Within 3/16 inch of the wheel and slightly off center |
a. Within 1/8 inch of the wheel and level with the center of the wheel
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Which of the following checks should you always make before installing the grinding wheel on the grinder?
a. Ensure that the grinder rpm does not exceed the recommended grinding wheel rpm b. Enusre that only silicon carbide grinding wheels are used c.Ensure that the grinding wheel is at least 2 1/2 times the diameter of the grinder spindle d. Ensure that the grinding wheel is grit 60 or higher |
a. Ensure that the grinder rpm does not exceed the recommended grinding wheel rpm
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You are selecting a grinding wheel for a pedestal grinder and choose a wheel that has the letter "C" in the first selection of the grinding wheel marking. What does the letter "C" indicate?
a. It is a close-grain wheel b. The grade or hardness of the wheel c. Abrasive made of silicon carbide d. Abrasive made of corundum |
c. Abrasive made of silicon carbide
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Before installing a grinding wheel, you should always sound the grinding wheel. What purpose does sounding serve?
a. It identifies cracks in the grinding wheel b. It identifies hollow spots in the wheel c. It reduces internal stresses in the wheel d. It aligns the grains of the wheel |
a. It identifies cracks in the grinding wheel
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What phrase best describes the word "dressing" as related to a grinding wheel?
a. removal of gouges and grooves in the wheel b. Squaring the cutting surface c. Truing the cutting surface d. cleaning the periphery of the grinding wheel |
d. cleaning the periphery of the grinding wheel
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Gases may come in either a liquid or gaseous state. How is a gas measured in the gaseous state?
a. by weight b. by volume c. by water displacement d. by free volume |
b. by volume
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How is acetylene that is dissolved in a liquid measured?
a. As a gas b. As a liquid c. By weight d. By volume |
d. By volume
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The letter "X" before the numerals on a Navy cylinder indicates that it is filled with which of the following gases?
a. Hydrogen b. Nitrogen c. Oxygen d. Acetylene |
c. Oxygen
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The type of compressed gas contained in a gas cylinder can be readily identified by which of the following cylinder characteristics?
a. color b. weight c. height d. shape |
a. color
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Except for acetylene cylinders, gas cylinders should be retested a minimum of how often?
a. annually b. Every 2 years c. Every 5 years d. Every 7 years |
c. Every 5 years
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What action should be taken with a full gas cylinder that is found to have expired retest date?
a. Survey the cylinder and jettison it at sea b. Use the cylinder and mark it "for retest" and return it to the nearest supply center or cylinder testing activity c. Relieve the pressure and return the cylinder to the nearest naval supply center d. Return the cylinder unused and marked "for retest" to a cylinder testing activity |
d. Return the cylinder unused and marked "for retest" to a cylinder testing activity
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When a special handling truck is not available, what is the preferred way to move a gas cylinder?
a. Lay it on its side and roll it b. Tilt it and roll it on its bottom edge c. Drag it by the protective cap d. Slide it lengthwise |
b. Tilt it and roll it on its bottom edge
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Which of the following statements is true concerning the stowage or compressed gas cylinders in a compartment on board ship?
a. Inert gases must never be stowed in the compartment with flammable gases. b. Greases and oils may be stored in the same compartment c. Cylinders may be stored in bulk instead of individual racks d. The temperature of the space must not exceed 130 degrees. |
d. The temperature of the space must not exceed 130 degrees.
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An iced- up outlet on a gas cylinder should be freed by which of the following methods?
a. By pouring warm water over the outlet b. By chipping the ice with a pick c. By melting the ice with a blow torch d. By hitting the outlet valve with a hammer |
a. By pouring warm water over the outlet
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Why should you NEVER use grease or oil to lubricate the threaded connections of an oxygen cylinder?
a. Because pure oxygen causes oil and grease to gel b. Beause pure oxygen causes oil and grease to release chloride gas c. Because oxygen under pressure causes oil and grease to ignite violently d. Because a mixture of oil or grease and pure oxygen is highly corrosive |
c. Because oxygen under pressure causes oil and grease to ignite violently
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Under ready service rules an oxyacetylene cutting unit is not secure if which of the following conditions is present?
a. If pressure shows on the gauges b. If cylinders are not firmly fastened to a bulkhead c. If the cylinder rack is not firmly fastened to a bulkhead d. Each of the above |
d. Each of the above
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What is the goal of the Navy's gas valve program?
a. to standardize outlets and connection b. to replace packed valves with nonbackseating valves c. to standardize valves and diaphragms so repairs can be performed onboard ship d. to make outlets and connections noninterchangeable |
d. to make outlets and connections noninterchangeable
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Of the different types of safety devices used on compressed gas cylinders to prevent overpressure or other unsafe conditions, which device ruptures when a cylinder is overheated and is commonly found on acetylene cylinders?
a. Poppet valve b. Fusible plug c. Rupture disk d. Fusible link |
b. Fusible plug
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Which of the following safety devices used on copressed gas cylinder valves is/are designed to rupture between 2600 to 3000 psi?
a. An unbacked safety cap b. A backed safety cap c. Both 1 and 2 above d. A fusible plug |
c. Both 1 and 2 above
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An acetylene cylinder that has been stored in a horizontal position must be returned to its vertical position for what minimum length of time, if any before it can be used?
a. 1.0 hr b. 2.0 hr c. 1.5 hr d. None, the cylinder may be used immediately |
b. 2.0 hr
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Why must an acetylene cylinder be used in the vertical position?
a. To allow the porous filler material in the cylinder to settle b. To seperate the gas from the liquid c. To prevent an explosion d. To provide ample head space in the cylinder for acetylene generation to take place |
a. To allow the porous filler material in the cylinder to settle
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