RAFF exit exam questions and answers — Set 1
Set 1 of the Refresher Advanced Fire Fighting (RAFF) exit exam bank — 30 of 84 questions, with the correct option marked. This bank is answer-only: the source published no usable explanations for it, so there are none here either. Read it end to end, jump to a single set, or search it — then sit the same bank as a timed paper. The real DG Shipping exit exam is 30 marks with 15 to pass.
These are the bank's original groupings. Practising deals the whole bank out again every time you reshuffle, so a practice “Set 3” is a different 30 questions each time — the set numbers below are the source file's, and are only used here so the key stays navigable. Options are listed in their original order with fixed letters; when you practise, those move too.
Bank last rebuilt .
30 of 30 shown · Set 1
Nothing in this set matches that. Try a shorter word, or search the whole key.
Set 1 — 30 RAFF exit exam questions with answers
1. For fire investigation the points to be considered :
- A. How the fire was discovered
- B. Time at which fire alarm was sounded
- C. The position and nature of fire
- D. All of the above
2. Which of the following statements describes the advantage of using a Halon fire extinguisher versus a CO fire extinguisher ?
- A. Halon cools rather than smothers a fire
- B. Halon is more effective than CO2
- C. Halon can extinguish combustible metal fires
- D. Halon is not toxic and safe to breathe under all conditions
3. The ship is divided into many main vertical and horizontal zone by thermal and structure boundary :
- A. To improve stability
- B. To improve and contain fire safety
- C. To reduce the cost of construction
- D. None of the above
4. When an oil fire has been extinguished the surface of the oil should be kept covered with foam to prevent
- A. Air from contacting the oil vapours permitting re-ignition
- B. Boiling of the heated oil
- C. Spontaneous combustion below the surface
- D. Toxic fumes from escaping to the surface
5. In the given below list, which gas has the widest flammable range
- A. Ethylene
- B. Propane
- C. Butane
- D. Methane
6. The ship is divided into many main vertical and horizontal zones by thermal and structural boundary
- A. To improve stability
- B. To improve and contain fire safety
- C. To reduce the cost of construction
- D. None of the above
7. Low expansion foam ratio
- A. 0.736111111
- B. 01:100
- C. 01:20
- D. None of the above
8. In the event of a fire the doors to a stair tower must be closed to prevent the spread of fire by
- A. Radiation
- B. Conduction
- C. Convection
- D. Ventilation
9. If a cream coloured band is located over the fire extinguisher it indicates that the fire extinguisher is which of the following
- A. Water
- B. Dry powder
- C. Foam
- D. Carbon dioxide
10. In pump rooms and pipe tunnels flameproof electric light fittings are generally fitted. This means that
- A. The fitting is completely tight and no gas can enter into contact with the bulb and electric connections
- 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
- C. The electric supply will disconnect automatically in case of fire
- D. Even if fire occurs it will not consume the fitting
11. A serious fire has been isolated in the engine room you would
- A. Wait for it to burn itself out
- B. Open the vents to let the smoke out
- C. Spray cooling water on bulkheads of the adjacent compartments
- D. Enter to extinguish the fire with a water extinguisher
12. What do we call the temperature at which a material produces enough flammable vapour for it to flash if exposed to an ignition source
- A. Melting point
- B. Ignition temperature
- C. Auto-ignition temperature
- D. Flash point
13. Principal of fire fighting onboard is
- A. Starving of fire
- B. Cooling
- C. Smoothening of fire
- D. All of the above
14. What is the first thing you should do in the case of a fire if you cannot reach a fire extinguisher?
- A. Raise your hand and ask if you may be excused
- B. Evacuate the room immediately
- C. Try to find extinguisher
- D. All of the above
15. Fire alarm system work on ______-
- A. 12 volt DC
- B. 24 volt DC
- C. 24 volt AC
- D. 220 volt DC
16. Uptake fire occurs in
- A. Waste heat boiler
- B. Economiser
- C. Main Engine turbocharger
- D. All of the above
17. Which fire fighting equipment is most efficient and with least side effects in case of a large fire in the engine room
- A. Central foam extinguishing system
- B. Powder extinguishing system
- C. Central gas extinguishing system and/or water fog
- D. Water hyper mist system
18. The operating temperature range of green colour coated joint bulbs in sprinkler system is _____ C
- A. 63
- B. 93
- C. 85
- D. 78
19. For which of the listed classes of fire combinations would carbon dioxide be most suitable as the fire extinguishing agent?
- A. Class A and class B
- B. Class b and class C
- C. Class C and Class A
- D. Class C, Class D and Class E
20. Which of the following statements does not apply to fire doors in main vertical zone bulkheads and stairway enclosures in passenger ships
- A. This shall be capable of being closed from control station unless they are normally closed
- B. If normally locked they do not have to be self-closing
- C. They shall be of the self closing type
- D. They can have hold back hooks not subject to control station release providing the emergency plan details a person to close them
21. Class A fire involves
- A. Involve electricity
- B. Involve combustible liquids
- C. Involve common combustible liquids
- D. All of the above
22. Flammable materials kept in a store that can cause fire
- A. Paints and varnishes
- B. Cleaning fluids, thinners
- C. Both A and B
- D. None of the above
23. 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 _____
- A. The lack of cooling effect on heated materials
- B. It breaks down under extreme heat to form poisonous gases
- C. It cannot be used in dead ship situation without electrical power available to CO 2 pump
- D. There is no effect on a class A fire even in an enclosed space
24. If the O2 content after inert plant is more than 5%
- A. Automatically vent into the atmosphere
- B. Re-circulated back in scrubber tank
- C. Both A and B
- D. None of the above
25. CO2 type fire extinguisher can be used in fighting which kind of fire type?
- A. A and C type
- B. B and C type
- C. A and B type
- D. C, D and E type
26. The spreading of fire s a result of heating being carried through a vessel’s ventilation system, is an example of heat transfer by _______
- A. Conduction
- B. Convection
- C. Radiation
- D. Windage
27. A fire hose kept in box, should have a wrench and ?
- A. Lock
- B. All purpose nozzle
- C. Foam Applicator
- D. None of the above
28. As per regulation, how many portable fire extinguishers should be there on board
- A. 5
- B. 13
- C. 10
- D. 8
29. Which type of portable fire extinguishers are designed for use on electrical fires?
- A. Carbon dioxide and foam(stored pressure)
- B. Foam and soda-acid
- C. Dry chemical and carbon dioxide
- D. Dry chemical and soda- acid
30. Fire fighting comprises of what all events onboard?
- A. Find, alarm, isolate and extinguish
- B. Find, fight and report
- C. Report, fight
- D. Find and report company
Printing this? Use your browser's Print (Ctrl/⌘ + P) — the buttons, the search box and the site chrome drop out and the questions run on as plain text, so a set fits a few pages. Filter to one set first if you only want that set on paper.
