AFF exit exam questions and answers — Set 8 — Advanced Fire Fighting
Set 8 of the Advanced Fire Fighting (AFF) exit exam bank — 30 of 517 questions, with the correct option marked and a one-line explanation for every one. 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.
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Set 8 — 30 AFF exit exam questions with answers
1. On the all-purpose nozzle, the position of the valve when the handle is all the way forward is ____.
- A. Fog
- B. Spray
- C. Solid stream
- D. Shut
2. Fire is a process of combustion accompanied by the rapid release of heat and ____ in varying intensities.
- A. Light
- B. Energy
- C. Destruction
- D. None of the above
3. Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by ____.
- A. Authorized fire equipment servicing personnel only
- B. Replacing the propellant cartridge and refilling it with powder
- C. Puncturing the cartridge seal after installation
- D. Recharging the cartridge and refilling it with powder
4. What is the minimum capacity of each required fire pump on a cargo ship?
- A. 20 m3/h
- B. 25 m3/h
- C. 30 m3/h
- D. 40 m3/h
5. In which language must the fire control plan on board be written?
- A. Only in the language of the flag State
- B. In the language of the Administration, with a translation into English or French if that language is neither
- C. In any language understood by the master
- D. Only in the working language of the crew
6. When a ship's low-pressure CO2 fixed fire-extinguishing system is activated from a remote location, what determines the quantity of CO2 being released into a selected space?
- A. The number of discharge nozzles in the space
- B. The discharge continues until the temperature of the space returns to normal ambient temperature
- C. The main CO2 tank is partitioned into sections individually designated for each protected space
- D. A pneumatic timer controls each discharge selector valve and is preset for each space
7. Fires which occur in energized electrical equipment, such as switchboard insulation, are class ____.
- A. A
- B. B
- C. C
- D. D
8. Immediately after a class B fire has been extinguished by the use of foam, crew members should ____.
- A. Carefully apply a low-velocity fog over the foam blanket
- B. Wade through the foam blanket to evenly distribute the foam
- C. Be careful not to disturb the foam blanket
- D. Sweep the foam blanket overboard and secure firefighting equipment
9. The advantage of using a dry chemical fire-extinguishing agent is ____.
- A. Permanent extinguishment regardless of re-ignition sources
- B. Its excellent cooling ability
- C. Its good stability and non-toxicity
- D. All of the above
10. The state of charge of a stored-pressure type dry chemical fire extinguisher can be readily determined by ____.
- A. Visual inspection of the pressure gauge
- B. Weighing the cylinder
- C. Removing the lid and checking the level of dry chemical
- D. Weighing the CO2 cartridge
11. A class B fire is most successfully fought by ____.
- A. Preventing oxygen from reaching the burning material
- B. Cooling the burning material below its ignition temperature
- C. Using the extinguishing agent to make the burning material fire-resistant
- D. Using the extinguishing agent to absorb the heat
12. Fires of which classes would most likely occur in the engine room of a ship?
- A. Classes A and B
- B. Classes B and C
- C. Classes C and D
- D. Classes A and D
13. Oily rags stored in a pile that is open to the atmosphere are a hazard because they may ____.
- A. Deteriorate and give off noxious gases
- B. Spontaneously heat and catch fire
- C. Attract lice and other vermin and serve as a breeding ground
- D. None of the above
14. Which danger exists to people when CO2 is discharged into a small enclosed space?
- A. Damaged eardrums
- B. Electric shock
- C. Frostbite
- D. Respiratory arrest
15. Which statement is TRUE concerning carbon dioxide?
- A. It is lighter than air
- B. It is used mostly on class A fires
- C. It is an inert gas
- D. All of the above
16. An advantage of an ABC dry chemical extinguisher over a carbon dioxide extinguisher is ____.
- A. Lack of toxicity
- B. The multipurpose extinguishing ability
- C. Cooling ability
- D. Burn-back protection
17. One gallon of high-expansion foam solution will produce ____.
- A. 8 to 10 gallons of foam
- B. 25 to 50 gallons of foam
- C. 100 to 200 gallons of foam
- D. 500 to 1000 gallons of foam
18. The preferred agent used in fighting a helicopter crash fire is ____.
- A. CO2
- B. Dry chemical
- C. Water
- D. Foam
19. Which statement is TRUE about firefighting foam?
- A. The air bubbles in foam act as an insulator in fighting a class C fire
- B. The effectiveness of foam in forming a blanket over a burning liquid increases as the temperature of the liquid increases
- C. Foam can be used to control gases escaping from compressed gas cylinders
- D. Foam sets up a vapour barrier over a flammable liquid, preventing flammable gases from rising
20. When fighting an oil or gasoline fire in the bilge, which of the following should NOT be used?
- A. All-purpose nozzle
- B. Carbon dioxide
- C. Foam
- D. Solid stream water nozzle
21. The canvas covering of a fire hose is called the ____.
- A. Casing
- B. Jacket
- C. Line cover
- D. Outer hose
22. Which of the following statements is FALSE concerning the proper procedure in handling a fire hose?
- A. A 1-1/2 inch hose should be deployed with a minimum of a nozzleman and a hoseman
- B. The nozzleman should always hold the nozzle with one hand on top, to prevent kickback
- C. Back-up hosemen should be placed wherever the hose makes a significant turn
- D. Use of a spanner wrench when attaching nozzles or additional lengths of hose is always critical
23. To remedy a leaking fire hose connection at the hydrant, secure the valve and ____.
- A. Reduce fire pump pressure
- B. Replace the gasket in the male coupling
- C. Replace the gasket in the female coupling
- D. Rethread the male coupling
24. Which instrument is suitable for determining the presence of explosive concentrations of fuel oil vapours in tanks?
- A. A flame safety lamp
- B. A liquid cargo meter
- C. A combustible gas indicator
- D. All of the above
25. Which type of fire extinguisher do you use to fight an electrical fire if a carbon dioxide extinguisher is unavailable?
- A. Water
- B. Wet chemical
- C. Foam
- D. Dry powder
26. You should avoid using ____ when extinguishing a fire in a confined space.
- A. Dry powder fire extinguishers
- B. Water fire extinguishers
- C. Foam fire extinguishers
- D. Wet chemical fire extinguishers
27. A deck-stowed 40-foot container is giving off smoke, and one end is discoloured from heat. The cargo is valuable and easily damaged by water. You want to extinguish the fire without further damage if possible. What action should you take?
- A. Connect a portable line from the ship's fixed system and discharge CO2 into the container
- B. Cool the exterior of the container with water and close all vents, then keep it cooled until it can be off-loaded
- C. Pierce the container and discharge 6 or more portable CO2 extinguishers, then add more CO2 hourly
- D. Flood the container with water and disregard any cargo damage as the fire threatens the entire vessel
28. If heavy smoke is coming from the paint locker, the FIRST firefighting response should be to ____.
- A. Open the door to evaluate the extent of the fire
- B. Enter and use a portable extinguisher
- C. Secure the ventilation
- D. Release the CO2 flooding system
29. A carbon dioxide fire extinguisher is required to be recharged if the weight loss exceeds what percentage of the weight of the charge?
- A. One percent
- B. Five percent
- C. Seven percent
- D. Ten percent
30. The usual method for effectively applying foam on a fire is by ____.
- A. Spraying directly on the base of the fire
- B. Flowing the foam down a vertical surface
- C. Sweeping the fire with the foam
- D. Spraying directly on the surface of the fire
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