RAFF - Refresher Advanced Fire Fighting Exit Exam Questions - Set 3

Question 1

A hand portable CO2 fire extinguisher is effectively in burning oil only ______

Accepted Answer

A: If applied promptly

Answer

B: If applied in connection with foam

Answer

C: To prevent rekindling

Answer

D: If attempt to extinguish the fire with low velocity fog has failed

Question 2

In cargo ships the diameter of fire main need to be sufficient for the discharge of _____ with two pumps simultaneously delivering through nozzles

Accepted Answer

D: 140 meter cube per hour

Answer

A: 135 meter cube per hour

Answer

B: 145 meter cube per hour

Answer

C: 14 meter cube per hour

Question 3

Foam extinguisher are checked by authorized shore persons every 5 years

Accepted Answer

B: false

Answer

A: true

Question 4

Spontaneous combustion is caused by ______

Accepted Answer

C: Chemical action with the substance

Answer

A: An outside heat source heating a substance until it ignites

Answer

B: Conduction of heat through a wall of material to the substance

Answer

D: All of the above

Question 5

The maximum distance between centre to centre of heat detectors is 10 metre

Accepted Answer

B: false

Answer

A: true

Question 6

Which is the following is specially dedicated to receive shore supplied water ?

Accepted Answer

B: International shore connection

Answer

A: Isolating wave

Answer

C: Fire main line

Answer

D: None of the above

Question 7

The longer an oil fire is permitted to burn, the ______

Accepted Answer

A: Harder is to extinguish

Answer

B: Easier is to extinguish

Answer

C: Less chance there is of re-ignition

Answer

D: Easier it is to control

Question 8

Which of the following is not required to be part of vessel’s fire control plan?

Accepted Answer

B: Ventilation fan capacity

Answer

A: Ventilation fan location

Answer

C: Ventilation fan control

Answer

D: Ventilation dampers

Question 9

Sprinkler mainline is connected to the main sea water line

Accepted Answer

A: true

Answer

B: false

Question 10

A specific document which identifies a chemical, and a list its physical properties, health hazards, required controls, fire fighting procedures, cleanup methods, waste disposal and the safe handling is commonly called as _____

Accepted Answer

B: Material safety data sheet

Answer

A: Hazardous chemical information sheet

Answer

C: Hazardous chemical loading document

Answer

D: Physical or chemical characteristics document

Question 11

What is the primary hazard other than fire damage associated with a class C fire?

Accepted Answer

C: Electrocution or shock

Answer

A: Flash over

Answer

B: Possibility of re-flash

Answer

D: Explosion

Question 12

What is the minimum number of portable fire extinguishers that must be carried on ships of 100 GRT and above ?

Accepted Answer

B: 5

Answer

A: 3

Answer

C: 9

Answer

D: 7

Question 13

In a mixture of flammable vapour and air if there is too mush vapour and not enough air to support combustion, we say the mixture is

Accepted Answer

A: Too rich

Answer

B: Over concentrated

Answer

C: Too lean

Answer

D: Saturated

Question 14

What action should be taken first when discovering a fire on board ?

Accepted Answer

C: Activate a fire alarm

Answer

A: Look for the nearest fire extinguisher

Answer

B: Go to your cabin and gather your belonging

Answer

D: Go to your emergency much station

Question 15

What class of fire is a smoldering fire of wood, textiles, paper and other carbonaceous ?

Accepted Answer

A: Class A

Answer

B: Class B

Answer

C: Class C

Answer

D: Class D

Question 16

If you were put in charge of afire team what is the minimum number of men wearing BA sets that you would allow to enter a smoke filled compartment?

Accepted Answer

A: 2 men

Answer

B: 1 man

Answer

C: 3 men

Answer

D: 4 men

Question 17

For fire to occur, the three elements found in the ‘Fire Triangle’ mush be present.these are heat, air and _______

Accepted Answer

D: Fuel

Answer

A: Electricity

Answer

B: Spark

Answer

C: Flame

Question 18

Which of these fire extinguishing media is preferred to fight a fire in an electrical installation (eg. The main switchboard) ?

Accepted Answer

A: Powder

Answer

B: Water fog

Answer

C: Foam

Answer

D: Sprinkler

Question 19

You are carrying out a search in a smoke filled compartment wearing BA. At what stage should you start to make your way out of the compartment

Accepted Answer

A: Wait until the BA set warning whistle sound

Answer

B: 15 minutes after starting to use the set as this leaves you with five minutes air left

Answer

C: Regularly check your pressure gauge and note how much air you used to reach your work area. Start to return when you have this amount left plus a reasonable reserve

Answer

D: None of the above

Question 20

Why should a CO2 extinguisher be used with caution in confined areas?

Accepted Answer

C: It will displace the air and reduce the amount of oxygen available

Answer

A: It will increase the oxygen present in the confined area to a dangerous level

Answer

B: It may explode when exposed to heat

Answer

D: It will not operate effectively in confined areas

Question 21

On fires involving burning liquids, which of these extinguisher is considered most effective ?

Accepted Answer

A: Foam

Answer

B: Dry powder

Answer

C: Water

Answer

D: CO2

Question 22

On a fire patrol at night you see smoke coming from a closed cabin door. What action should you take ?

Accepted Answer

A: Activate the nearest fire alarm button and advise bridge of the location of the fire

Answer

B: As most people are sleeping, call a friend and ask him to assist in putting out the fire

Answer

C: Get the nearest fire extinguisher and then open the door to see what the situation is

Answer

D: Take a look inside the cabin to see what the situation is

Question 23

Onboard fire is done by

Accepted Answer

D: All of the above

Answer

A: Cooling

Answer

B: Smothering (cut off oxygen)

Answer

C: Starvation (remove burning material like fuel)

Question 24

To fight a class ‘C’ fire (electrical fire) you should use carbon dioxide or

Accepted Answer

C: Dry chemical

Answer

A: Chemical foam

Answer

B: Mechanical foam

Answer

D: Chemically treated saw dust

Question 25

When using a CO2 type fire extinguish what is the way to use it ?

Accepted Answer

B: Aim low, pointing the nozzle or hose at the base of the fire and sweep from side to side

Answer

A: Direct on a bulkhead behind the fire and let it flow down

Answer

C: Use it by holding the horn

Answer

D: Direct at high flames and then low flames

Question 26

When fire fighting in confined space, which fire extinguishers you should not use ?

Accepted Answer

A: CO2

Answer

B: Foam

Answer

C: Water

Answer

D: DCP

Question 27

What is automated release unit (DRU)

Accepted Answer

A: An electromagnetic device which keep the door open until no fire is there

Answer

B: Automatic release unit for rescue boat

Answer

C: Automatic unit of lifeboat

Answer

D: None of the above

Question 28

Aqueous film forming form also called as all purposes foam

Accepted Answer

B: true

Answer

A: false

Question 29

The sprinkler heads are spaced not more than 4 meters apart and 2 meter from any bulkhead or part of the ship’s side which forms a boundary of the protected space

Accepted Answer

A: true

Answer

B: false

Question 30

Proper use of fire extinguisher ?

Accepted Answer

A: Pull, aim , shut, sit

Answer

B: Pass, aim, shut, sit

Answer

C: Pass, sure, spees

Answer

D: Pass, aim, squeeze, sweep

Refresher Advanced Fire Fighting (RAFF) (Set 3)

A hand portable CO2 fire extinguisher is effectively in burning oil only ______

Questions in RAFF Set 3

Question Discussion & Notes

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