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Bm2 Study Guide > Boats And Davits > Flashcards

Boats And Davits Flashcards

1
Q

What is the oldest type of boat davit used in the Coast Guard?

A

Radial

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2
Q

Which way do radial arm davits point when the boat is in the stowed position?

A

In board

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3
Q

Where are quarantal davits used

A

Merchant ships

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4
Q

How are quadrantal davits operated?

A

By turning a crank

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5
Q

Up to what weight are welin crescent davits designed to handle?

A

13,500 lbs

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6
Q

From where are hydraulic davits operated?

A

A control console

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7
Q

What is the safety device that keeps the davits in the stowed position?

A

The preventer

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8
Q

What does the fall tensioning device do?

A

It keeps slack out of the falls when hooking and unhooking

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9
Q

What controls the lowering speed on a gravity davit?

A

The brake

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10
Q

What do you have to ensure before booming out?

A

That the boat clears the skid

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11
Q

When are the gripes cleared away during boat lowering?

A

When the crew is in the boat

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12
Q

Which should be lower the bow or the stern?

A

Stern

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13
Q

Should a small boat engine be running when lowered?

A

Yes

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14
Q

What is the most dangerous time in boat lowering?

A

The instant the boat becomes waterborne

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15
Q

What are steadying lines made of?

A

Manila

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16
Q

What holds the falls next to the ships side upon approach of a small boat and keeps the boat from swinging during lowering and hoisting?

A

Frapping lines

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17
Q

How many round turns should be left in a cleat for boat lowering?

A

Two

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18
Q

When a small boat is in the water what should it be towed by and be the last line cast off?

A

The sea painter

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19
Q

What should be transferred with a boat?

A

It’s slings

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20
Q

How much weight is a sling tested for after manufacture?

A

100% over load

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21
Q

What line secures a boat to a boom?

A

Guesswarp

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22
Q

What is used to keep the guesswarp from running up after unhooking

A

A toggle

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23
Q

What is the personnel capacity of the MK-10 26 foot motor whale boat

A

18

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24
Q

Where would you look to find out what and how much equipment is required for each small boat?

A

Cosal

25
Q

Where is the boat crew going to embark and disembark the small boat at

A

Lowest weather deck possible

26
Q

During boat operations and heavy seas, how many steadying lines should be used

A

4

27
Q

Who is responsible for making the boat and boat crew ready for launching?

A

Coxswain

28
Q

When boats slings are manufactured, they must be tested at what percentage over the SWL

A

100%

29
Q

When will you set your sea painter when lowering a boat by a crane

A

Before you lower the boat

30
Q

What is the maximum capacity of a MK6 inflatable life raft

A

25

31
Q

When lowering a boat by crane underway, what is installed for quick release when the boat becomes waterborne?

A

Safety runner

32
Q

At how many feet feet will inflatable life raft deploy automatically when the ship has sunk

A

10 feet to 40 feet

33
Q

How long is the sea painter line on a inflatable life raft?

A

100 feet

34
Q

What degree of lip is installed on the MK six life raft cradle

A

15°

35
Q

What size and line construction is the hydrostatic release cord?

A

1/4 inch nylon double braided

36
Q

What position should the hydrostatic release mechanism be in if properly stowed, right

A

Outboard facing away from the ship

37
Q

What type of Davit is best fitted for the use and heavy seas

A

Single arm, gravity, Davit

38
Q

Why are Davit alignment lines painted on the trackway guides on Davits

A

To keep the Davitt from two blocking

39
Q

When lifting slings are made in weight test must be conducted. How long are they to be tested?

A

10 minutes

40
Q

What type of weight test is conducted for 100% over the SWL for a Davit

A

Rated

41
Q

When, approaching a man in the water, how do you make your approach in a small boat?

A

Place the man on your port bow

42
Q

On Davitt with rib boats, what type of hook is installed on the Davit

A

Quick release hook

43
Q

When releasing, the Raymond release, hook would helps clear the falls from the boat

A

Falls tensioning device

44
Q

What is defined as a force that moves the stern of the boat in the direction of propellers rotation?

A

Side force

45
Q

When weight testing a debit that has a SWL of 26,000 pounds what will be the test load in pounds

A

52,000 pounds

46
Q

Where, and when do officers enter and sit at in a rib?

A

Bow and enter last

47
Q

What is the main purpose of the frapping lines on the boat Davit falls?

A

To clear the falls from the boat

48
Q

What type of davits are run on trackways and blocks?

A

Gravity davits

49
Q

What needs to be logged into the small boat compass log before each use?

A

Magnetic heading

50
Q

How many personnel are allowed in the rescue boat when lowering for a man overboard

A

Five down and six up

51
Q

What would the Coxswain of a small boat sound to the OOD if you were carrying a noncommissioned officer?

A

Hello

52
Q

What would the coxswain of a small boat sound to the ood if the xo was in the small boat

A

Aye aye

53
Q

What is displayed on the top of the Flagstaff indicating a commanding officer

A

Ball

54
Q

What is displayed on the top of the Flagstaff indicating a vice admiral

A

Halbred

55
Q

What is displayed on the top of a Flagstaff indicating the commandment of the Marine Corps is on board

A

Spread eagle

56
Q

If a boat davit has been tested to 14,000 pounds on a rated test how much weight would be required to test at a dynamic low test

A

21,000

57
Q

Why is the smoking not permitted in or around small boats while batteries are being charged

A

Hydrogen gases are produced when batteries are being charged

58
Q

Forces that drag some of the water along because of friction between the skin of the ship and water

A

Frictional wake current

59
Q

How do you properly beach a LCM?

A

Ride in just behind the crest of a breaker or comber

Bm2 Study Guide (8 decks)

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