Life rafts

Question 1

What is designed to “trigger the inflatin of the life raft, so that a survivor may immediatly enter?

Answer 1

Action of Deployment.

Question 2

What are the prerequisites for gasses used to inflate rafts?

Answer 2

Non combustible, noncorosive, and nonpoisonous.

Question 3

Why does a multi-place life raft need a manifold valve?

Answer 3

To inflate all the tubes at once.

Question 4

How is the seat in the LRU-1/P inflated?

Answer 4

Hand pump and topping off valve.

Question 5

What gas is used to initially inflate the flotation tubes of the 20 man life raft?

Answer 5

CO2N2

Question 6

How are the boarding ramps on the 20 man inflated?

Answer 6

CO2N2 cylinder

Question 7

What type of inflation system is used on each flotation tube int eh 25 man raft?

Answer 7

A gas cylinder (reservoir), valve assembly, and jet pump.

Question 8

How long does the 25 man raft take to inflate?

Answer 8

9 sec

Question 9

When in the C-17 what subassembly is the 46 man part of?

Answer 9

Emergency survival subsystem

Question 10

Which raft incorporates the basic features of the AC-9 and is carried on the C-130, KC-135, and CT-43?

Answer 10

AC-20

Question 11

What could cause a raft not to properly inflate?

Answer 11

Improper charge in cylinder, loose coupling nut, topping off valve open, obstruction in the inlet valve, hole in raft, or a faulty inflation valve.

Question 12

What do you do with excess sea anchor retention line?

Answer 12

Fake into 8in hanks and secure with #32 rubber-bands.

Question 13

How long are the accessory kit retention lines?

Answer 13

20ft +- 6in

Question 14

What is the max repariable damage on the F-2B?

Answer 14

6in

Question 15

What is the max number of patches allowed on the LUR-17/P?

Answer 15

3

Question 16

What determines the size and shape of a repair patch?

Answer 16

Size and shape of damage.

Question 17

What is the purpose of the diffuser on a multiplace life raft?

Answer 17

Break up the direct blast of CO2.

Question 18

What is used to inflate the 25 man life raft?

Answer 18

Compressed air augmented by ambient air.

Question 19

How much does th e46 man weigh?

Answer 19

Appx. 200 lbs.

Question 20

How long should an F-2B take to inflate?

Answer 20

60 sec.

Question 21

One hour after the function test, what will the compartment differential pressure rang be?

Answer 21

1.5-2.2 PSI

Question 22

What is the torque range for the CO2 cylinder on the 20 man?

Answer 22

140-150 in/lbs

Question 23

What is the last thing you must do prior to folding the 20 man?

Answer 23

Remove equalizer tube clamp.

Question 24

What type of knot do you use to attach the actuation line to the actuation cable on the 20 man?

Answer 24

Bowline.

Question 25

What type of chord do you use to lace the side flaps on the 20 man wing well container?

Answer 25

8/4.

Question 26

What is the shape of the 22D23585 when fully inflated?

Answer 26

Decagon.

Question 27

How often is the 20 man air cylinder hydrostatic tested?

Answer 27

3 years.

Question 28

Where do you position the jet pumps when packing the 25 man?

Answer 28

The top edge of the case.

Question 29

What pressure is the 46 man inflated during a leak test?

Answer 29

2 PSI

Question 30

How long does the 46 man undergo a leak test?

Answer 30

6hrs.

Question 31

Before hyou pack the 46 man what is the max overall width of the folded raft?

Answer 31

16 in.

Question 32

What is the max number of patches to be applied to the flotation tupe of a single place raft?

Answer 32

3

Question 33

What ammount must the patch overlap the damagged area when applying a patch to any life raft?

Answer 33

1.5 in.

Question 34

When you manufacture an inspection data pocket for a life raft case what size material must be cut and where is the grommet positioned?

Answer 34

4X5in, centered on the 4 in side.