Boatswain's Mate 14343 Study Guide

Front 1

Why were stockless anchors adopted for use aboard U.S. Navy vessels?

Back 1

They are easy to stow

Front 2

Which of the following anchors has the greatest holding power?

Back 2

Mk 2

Front 3

When is the two-fluke balanced-fluke anchor used for anchoring surface ships?

Back 3

When convential anchors interfere with the sonar dome

Front 4

Which of the following anchors is used primarily to anchor buoys and torpedo testing barges?

Back 4

Mushroom

Front 5

The serial number on standard Navy stockless anchors is located on the

Back 5

Flat of the crown

Front 6

What is the function of the stud on the Navy die-lock chain?

Back 6

To prevent the chain from kinking and the links from pounding on adjacent links

Front 7

A standard shot of anchor chain is how many fathoms?

Back 7

15

Front 8

How many links, in a shot of chain, are usually marked with the serial number of the shot?

Back 8

two

Front 9

What is used to connect the shots of anchor chain together?

Back 9

Detachable link

Front 10

Why arc detachable links stamped with the same number on all the parts?

Back 10

To ensure identification and proper assembly

Front 11

Which of the following items of ground tackle minimizes the kinking and/or twisting of the anchor chain?

Back 11

Chain Swivel

Front 12

Which of the following chain stoppers is the assembly that is closest to the hawespipe?

Back 12

Housing

Front 13

What item(s) of gear that riding and housing stoppers do not have is/are added to a towing chain stopper?

Back 13

Locking Plates

Front 14

What is the standard size mortise (opening), in inches, on all mooring shackles, regardless of their size?

Back 14

7 inch

Front 15

Which of the following terms applies to a 5- to-15 fathom length of wire rope having thimbles at both ends, one of which is fitted with a length of open line chain ending in a pelican hook?

Back 15

Clear hawse pendant

Front 16

As the anchor chain is payed out, you notice four white links on each side of a red detachable link clearing the hawsepipe. At this point, how many fathoms of chain are out?

Back 16

60 Fathoms

Front 17

What color is the entire next-to-last shot of anchor chain painted?

Back 17

Yellow

Front 18

The bitter end of the anchor chain is secured to a pad eye in the chain locker with what type of shackle?

Back 18

Safety

Front 19

How often should the anchor chain, regardless of size, be overhauled and placed in a good state of preservation?

Back 19

Every 18 months

Front 20

What person is in charge of the forecastle when personnel are anchoring and weighing anchor?

Back 20

First Lieutenant

Front 21

Why is a ship usually moving when the anchor is dropped?

Back 21

to prevent the chain from piling and fouling the anchor

Front 22

You should start braking after the anchor is let go, and as soon as it

Back 22

reaches the bottom

Front 23

What is the typical scope of chain veered for a ship anchoring in 12 fathoms of water?

Back 23

70 Fathoms

Front 24

What report do you make to the bridge when the flukes of the anchor have broken out and the crown still rests on the bottom?

Back 24

Anchor is up and down

Front 25

When preparing to moor to a buoy, the ship lowers a boat with the buoy party when it is how many yards away from the buoy?

Back 25

1000 yards

Front 26

What is the first thing the buoy party shackles to the ring on the mooring buoy?

Back 26

Dip Rope

Front 27

When you arc rigging for the trolley method of mooring to a buoy, what serves as the trolley?

Back 27

Large Shackles

Front 28

What should be the relative position of a ship after completing the bow and stern buoy moor?

Back 28

The stern is the same distance from the stern buoy as the bow is from the bow buoy

Front 29

While rousing out anchor chain onto a barge with no retaining sides, or onto a pier that is not directly under the hawsepipe, what action should you take with each shot of chain?

Back 29

Ensure that each shot of chain is controlled with enough stops so the anchor chain will not run

Front 30

When the ship is anchored, why is it standard practice to have a detachable link located just inboard of the riding stopper?

Back 30

So that a detachable link is readily accessible for the use in slipping the anchor chain in an emergency

Front 31

The shackle that secures the bitter end of the anchor chain must have a breaking strength approximating the weight of how many fathoms of anchor chain hanging from the Hawsepipe?

Back 31

300 fathoms

Front 32

The strength of the padeye in the chain locker must be how many times the strength of the shackle?

Back 32

1.75

Front 33

Anchor buoy lines are made of which of the following ropes or cordage?

Back 33

21-thread manila

Front 34

When you rig a ship to be towed, where should you break the anchor chain?

Back 34

At the first detachable link inboard of the swivel shot

Front 35

How many feet long is a standard length of synthetic towing hawser?

Back 35

600 feet

Front 36

When making a normal approach for towing, what determines the position the towing ship takes in relation to the tow?

Back 36

Which vessel drifts faster

Front 37

In an emergency, one method of casting off the towline is to

Back 37

break a detachable link abaft the stopper and cast off the stopper

Front 38

When synthetic line is used for towing, what, if any, is the normal catenary?

Back 38

None

Front 39

Which of the following bridles is used on the Williams target sled?

Back 39

Synthetic

Front 40

What is the required towline for the Williams target tow sled?

Back 40

4500 feet of 1 inch diameter double-braided nylon rope

Front 41

To prevent a target sled’s towline from becoming fouled on the bottom, what is the minimum depth of water in which it may be transferred from ship to ship?

Back 41

100-Fathom curve

Front 42

After a tow is rigged, at what rate should the speed be increased until the towing speed is reached?

Back 42

3 to 5 turns

Front 43

You are measuring a link of the anchor chain and you determine the wire diameter is 1 inch. The link should be what length?

Back 43

3 inch

Front 44

You measure a link of anchor chain with a wire diameter of 2 inches and a width of 7.2 inches. The link should be what length?

Back 44

12 inch

Front 45

Which of the following devices holds the parts of a detachable link together?

Back 45

Taper Pin

Front 46

As the anchor chain is paying out, you notice eleven white links clearing the hawsepipe. At this point, how many fathoms of chain are out?

Back 46

75 Fathoms

Front 47

How much distance is required for a ship to swing at anchor?

Back 47

Lenght of the ship plus the scope of chain

Front 48

How many different types of salvages are being used in the Navy today?

Back 48

Four

Front 49

What type of salvage operation is used in emergency services for vessels and aircraft in distress at sea?

Back 49

Rescue Salvage

Front 50

What type of salvage consists of salvaging ships, removing wreckage, and general salvage work in harbors?

Back 50

Harbor Salvage

Front 51

When you are working on refloating vessels stranded or sunk in exposed locations along a coast, what type of salvage operation is going to be used in this type of operation?

Back 51

Offshore Salvage

Front 52

What type of salvage operation consists of services rendered to an amphibious assault force?

Back 52

Combat Salvage

Front 53

Which direction would you put your anchors out if you have a stranded vessel near shore?

Back 53

Seaward

Front 54

What type of bridle is used in a salvage operation?

Back 54

Liverpool

Front 55

What is the last resort you use to get a messenger line to a grounded ship?

Back 55

Buoy and float it to the grounded ship

Front 56

What is the adequate distance you put an empty oil drum on a buoy wire so it will float to the other ship?

Back 56

60 to 65 feet