RAFF - Refresher Advanced Fire Fighting Exit Exam Questions - Set 1

Question 1

For fire investigation the points to be considered :

Accepted Answer

D: All of the above

Answer

A: How the fire was discovered

Answer

B: Time at which fire alarm was sounded

Answer

C: The position and nature of fire

Question 2

Which of the following statements describes the advantage of using a Halon fire extinguisher versus a CO fire extinguisher ?

Accepted Answer

B: Halon is more effective than CO2

Answer

A: Halon cools rather than smothers a fire

Answer

C: Halon can extinguish combustible metal fires

Answer

D: Halon is not toxic and safe to breathe under all conditions

Question 3

The ship is divided into many main vertical and horizontal zone by thermal and structure boundary :

Accepted Answer

B: To improve and contain fire safety

Answer

A: To improve stability

Answer

C: To reduce the cost of construction

Answer

D: None of the above

Question 4

When an oil fire has been extinguished the surface of the oil should be kept covered with foam to prevent

Accepted Answer

A: Air from contacting the oil vapours permitting re-ignition

Answer

B: Boiling of the heated oil

Answer

C: Spontaneous combustion below the surface

Answer

D: Toxic fumes from escaping to the surface

Question 5

In the given below list, which gas has the widest flammable range

Accepted Answer

A: Ethylene

Answer

B: Propane

Answer

C: Butane

Answer

D: Methane

Question 6

The ship is divided into many main vertical and horizontal zones by thermal and structural boundary

Accepted Answer

B: To improve and contain fire safety

Answer

A: To improve stability

Answer

C: To reduce the cost of construction

Answer

D: None of the above

Question 7

Non-combustible material is a material which neither burns nor gives off flammable vapours in sufficient quantity for self ignition when heated to approximately 700 C

Accepted Answer

B: false

Answer

A: true

Question 8

Low expansion foam ratio

Accepted Answer

D: None of the above

Answer

A: 0.736111111

Answer

B: 01:100

Answer

C: 01:20

Question 9

In the event of a fire the doors to a stair tower must be closed to prevent the spread of fire by

Accepted Answer

C: Convection

Answer

A: Radiation

Answer

B: Conduction

Answer

D: Ventilation

Question 10

If a cream coloured band is located over the fire extinguisher it indicates that the fire extinguisher is which of the following

Accepted Answer

C: Foam

Answer

A: Water

Answer

B: Dry powder

Answer

D: Carbon dioxide

Question 11

In pump rooms and pipe tunnels flameproof electric light fittings are generally fitted. This means that

Accepted Answer

B: Gas may enter but even if an explosion takes place the fitting is so strong that the explosion will be contained within it and which will not be blown out

Answer

A: The fitting is completely tight and no gas can enter into contact with the bulb and electric connections

Answer

C: The electric supply will disconnect automatically in case of fire

Answer

D: Even if fire occurs it will not consume the fitting

Question 12

A serious fire has been isolated in the engine room you would

Accepted Answer

C: Spray cooling water on bulkheads of the adjacent compartments

Answer

A: Wait for it to burn itself out

Answer

B: Open the vents to let the smoke out

Answer

D: Enter to extinguish the fire with a water extinguisher

Question 13

Each sprinkler head must be capable of delivering water at a rate of 8 litre/m /minute

Accepted Answer

B: false

Answer

A: true

Question 14

While inhaling if carbon monoxide is present in the air. Co will mix with blood first

Accepted Answer

A: true

Answer

B: false

Question 15

Emergency escape hatch is used to assess and to escape during fire fighting

Accepted Answer

A: true

Answer

B: false

Question 16

What do we call the temperature at which a material produces enough flammable vapour for it to flash if exposed to an ignition source

Accepted Answer

D: Flash point

Answer

A: Melting point

Answer

B: Ignition temperature

Answer

C: Auto-ignition temperature

Question 17

Principal of fire fighting onboard is

Accepted Answer

D: All of the above

Answer

A: Starving of fire

Answer

B: Cooling

Answer

C: Smoothening of fire

Question 18

What is the first thing you should do in the case of a fire if you cannot reach a fire extinguisher?

Accepted Answer

B: Evacuate the room immediately

Answer

A: Raise your hand and ask if you may be excused

Answer

C: Try to find extinguisher

Answer

D: All of the above

Question 19

Fire alarm system work on ______-

Accepted Answer

B: 24 volt DC

Answer

A: 12 volt DC

Answer

C: 24 volt AC

Answer

D: 220 volt DC

Question 20

Uptake fire occurs in

Accepted Answer

B: Economiser

Answer

A: Waste heat boiler

Answer

C: Main Engine turbocharger

Answer

D: All of the above

Question 21

Burn is caused by wet heat

Accepted Answer

B: false

Answer

A: true

Question 22

Which fire fighting equipment is most efficient and with least side effects in case of a large fire in the engine room

Accepted Answer

D: Water hyper mist system

Answer

A: Central foam extinguishing system

Answer

B: Powder extinguishing system

Answer

C: Central gas extinguishing system and/or water fog

Question 23

The operating temperature range of green colour coated joint bulbs in sprinkler system is _____ C

Accepted Answer

B: 93

Answer

A: 63

Answer

C: 85

Answer

D: 78

Question 24

For which of the listed classes of fire combinations would carbon dioxide be most suitable as the fire extinguishing agent?

Accepted Answer

B: Class b and class C

Answer

A: Class A and class B

Answer

C: Class C and Class A

Answer

D: Class C, Class D and Class E

Question 25

Which of the following statements does not apply to fire doors in main vertical zone bulkheads and stairway enclosures in passenger ships

Accepted Answer

B: If normally locked they do not have to be self-closing

Answer

A: This shall be capable of being closed from control station unless they are normally closed

Answer

C: They shall be of the self closing type

Answer

D: They can have hold back hooks not subject to control station release providing the emergency plan details a person to close them

Question 26

Class A fire involves

Accepted Answer

C: Involve common combustible liquids

Answer

A: Involve electricity

Answer

B: Involve combustible liquids

Answer

D: All of the above

Question 27

Flammable materials kept in a store that can cause fire

Accepted Answer

C: Both A and B

Answer

A: Paints and varnishes

Answer

B: Cleaning fluids, thinners

Answer

D: None of the above

Question 28

There are two disadvantages to CO2 when used as a total flooding fire fighting agent. One of them is extinguishing concentrations will not support human life and _____

Accepted Answer

A: The lack of cooling effect on heated materials

Answer

B: It breaks down under extreme heat to form poisonous gases

Answer

C: It cannot be used in dead ship situation without electrical power available to CO 2 pump

Answer

D: There is no effect on a class A fire even in an enclosed space

Question 29

If the O2 content after inert plant is more than 5%

Accepted Answer

D: None of the above

Answer

A: Automatically vent into the atmosphere

Answer

B: Re-circulated back in scrubber tank

Answer

C: Both A and B

Question 30

Is charcoal the product of dry distillation ?

Accepted Answer

A: true

Answer

B: false

Refresher Advanced Fire Fighting (RAFF) (Set 1)

For fire investigation the points to be considered :

Questions in RAFF Set 1

Question Discussion & Notes

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