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DG Exit Exam
Answer Key

REPFF exit exam questions and answers

All 44 questions from the Refresher Fire Prevention & Fire Fighting (REPFF) exit exam bank, 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.

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Set 1 — 30 REPFF exit exam questions with answers

1. The best way to combat an engine room bilge fire is through the use of

  • A. dry chemical extinguisher and solid stream water
  • B. Foam extinguisher and low-velocity water fog
  • C. foam extinguisher and solid stream water
  • D. foam and soda acid extinguishers
Answer: B — Foam extinguisher and low-velocity water fog

2. What type of release is allowed for fixed gas fire extinguishing installation onboard

  • A. Any automatic release system
  • B. A manually operated release only
  • C. An automatic release system activated by fire alarms
  • D. An automatic release system activated by fire detectors
Answer: B — A manually operated release only

3. Which of the following colors is used to indicated Foam fire extinguisher

  • A. Red and yellow band
  • B. Red and cream band
  • C. Red and blue band
  • D. Red and black band
Answer: B — Red and cream band

4. What do the words ‘spontaneously combustion’ mean

  • A. The substance is very difficult to set alight, even when it is very hot
  • B. when this substance burns it burns completely and does not leave any residue or ash
  • C. when the substance burns it becomes very hot
  • D. the substance can catch fire by itself without an external source of heat or ignition
Answer: D — the substance can catch fire by itself without an external source of heat or ignition

5. Which one of the listed requirements regarding abandon ship and fire drills do not correspond to present regulations

  • A. On all international voyages, except short voyage, muster of passengers shall take place within 24 hours after embarkation
  • B. On all short international voyages, muster of passengers shall take place as soon as possible
  • C. Each member of the crew shall participate in at least one abandon ship drill and one fire drill every month
  • D. A training manual shall be provided in each crew mess room and recreation room or in each crew cabin
Answer: A — On all international voyages, except short voyage, muster of passengers shall take place within 24 hours after embarkation

6. Portable fire extinguisher is designed to put out______ effectively?

  • A. Small fire
  • B. Explosion
  • C. Industrial fire
  • D. Large bush fire
Answer: A — Small fire

7. The fire signal on a ship must be a continuous blast of the whistle or electrical bell for not less than ____ seconds

  • A. 10
  • B. 15
  • C. 20
  • D. None of the above
Answer: A — 10

8. Instructions for ‘Preparation for welding or hot work in cargo tanks’ is laid down by the Norwegian Maritime Directorate. During ongoing inspection on work

  • A. At one level for at least two places in the tank
  • B. At three levels at one point close to the working area
  • C. At three levels for at least two places in the tank
  • D. At two levels for three places in the tank
Answer: C — At three levels for at least two places in the tank

9. In accommodation the automatic sprinklers shall come into operation within the temperature range

  • A. 80 – 90
  • B. 68 – 79
  • C. 56 – 67
  • D. 48 – 55
Answer: B — 68 – 79

10. The lowest temperature at which the heat from the combustion of a burning vapor is capable of producing vapor to enable combustion but not sustaining is

  • A. Ignition point
  • B. Flashpoint
  • C. Fire point
  • D. None of the above
Answer: B — Flashpoint

11. In a mixture of flammable vapor and air, if there is too much vapor and not enough air to support combustion, we say the mixture is

  • A. Too rich
  • B. Over concentrated
  • C. Too lean
  • D. Saturated
Answer: A — Too rich

12. When is it required for portable carbon dioxide fire extinguishers to be recharged?

  • A. at least once each year
  • B. each time the vessel dry docks
  • C. when the charged weight decreased by 50%
  • D. whenever used for demo or to fight fire onboard ships
Answer: D — whenever used for demo or to fight fire onboard ships

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

  • A. 3
  • B. 5
  • C. 9
  • D. 7
Answer: B — 5

14. In tankers sufficient foam concentration shall be supplied to ensure at least _____ min of foam generation in tankers fitted with an inert gas installation

  • A. 10 minutes
  • B. 20 minutes
  • C. 30 minutes
  • D. 40 minutes
Answer: B — 20 minutes

15. To operate the fire extinguisher, the acronym PASS is often used to help us remember to

  • A. Pull the pin, aim at the base of the fire, squeeze the handle and sweep at the base of the fire
  • B. Pass by the fire, activate the fire alarm, select the proper extinguisher, shoot at the base of the fire
  • C. Pull the alarm, alert the response team, shut down the power sources, secure the area
  • D. Pass by the fire, activate the sprinkler system, seal fire area from oxygen, stop unauthorized entry
Answer: A — Pull the pin, aim at the base of the fire, squeeze the handle and sweep at the base of the fire

16. The best form of protection against fire is ______

  • A. Cure
  • B. Hose reel
  • C. Prevention
  • D. Fire extinguisher
Answer: C — Prevention

17. Fire hoses shall have a length of at least 10m , but not more than ___ in machinery space

  • A. 15 m
  • B. 20 m
  • C. 25 m
  • D. None of above
Answer: A — 15 m

18. If a fixed foam fire fighting system is not of the premix type , a sample of the foam liquid must be tested by

  • A. Coast Guard inspection officer
  • B. The safetyman aboard the unit
  • C. The designated person-in-charge of the unit
  • D. The manufacturer, or his authorized representative
Answer: D — The manufacturer, or his authorized representative

19. Below is a list of fire extinguisher types matched with surfaces on which they can be used? Which is the incorrect option

  • A. Class A – Cloth, paper and rubber
  • B. Class B – Plastics, polyethylene, Styrofoams
  • C. Class C – Wiring, fuse boxes, electrical equipment and computers
  • D. Class D – Combustible metals such as magnesium, potassium and sodium
Answer: B — Class B – Plastics, polyethylene, Styrofoams

20. Flammability means

  • A. That burns below 37.5 deg C / 100 deg F
  • B. any fuel that can burn
  • C. Both
  • D. none
Answer: A — That burns below 37.5 deg C / 100 deg F

21. CO2 portable extinguisher fitted in accommodation should have ______ of liquid

  • A. 2.5kg
  • B. 3.5 kg
  • C. 4.5 kg
  • D. 5.5 kg
Answer: C — 4.5 kg

22. During a fire, the means of communication

  • A. Messengers
  • B. Telephones
  • C. Walkie-Talkie
  • D. All of the above
Answer: D — All of the above

23. Who has the authority to pull the fire alarm after discovering a fire on the worksite

  • A. Only Mater can activate the fire alarm
  • B. Anyone who has seen a fire can activate the fire alarm
  • C. only the fire safety officer activates the fire alarm
  • D. only the crew can activate the fire alarm
Answer: B — Anyone who has seen a fire can activate the fire alarm

24. What is the maintenance schedule for a sprinkler system onboard

  • A. Monthly
  • B. Quarterly
  • C. Weekly & yearly
  • D. Half yearly
Answer: C — Weekly & yearly

25. Which ship shall be provided with international shore connection for supply of water as extinguishing media

  • A. Tankers
  • B. All ships of 500 GRT and upward
  • C. Passenger ships carrying more than 36 passengers
  • D. Passenger ships of 100 GRT and upward
Answer: B — All ships of 500 GRT and upward

26. Fire detector principle of operations could be based on

  • A. Bimetallic strip
  • B. Fusible links
  • C. Quartzite bulb
  • D. All the above
Answer: D — All the above

27. Fire of carbonaceous substances is known as

  • A. Class B Fire
  • B. Class A fire
  • C. Class C fire
  • D. Class D fire
Answer: B — Class A fire

28. Fire blankets are used for

  • A. Smothering of fire
  • B. Cooling of fire
  • C. Inhibition of fire
  • D. Starvation of fire
Answer: A — Smothering of fire

29. The lowest temperature at which the heat from the combustion of a burning vapor is capable of producing sufficient vapor to sustain the reaction and to enable combustion to continue is called

  • A. Fire Point
  • B. Self-ignition temperature
  • C. Flash Point
  • D. None of the above
Answer: A — Fire Point

30. What fixed fire fighting medium do we normally use in the engine room, pump room and other spaces?

  • A. CO2 flooding system
  • B. Portable Foam Fire Extingusher
  • C. Portable Co2 Fire Extingusher
  • D. None Of These
Answer: A — CO2 flooding system

Set 2 — 14 REPFF exit exam questions with answers

1. Structural fire protection refers to the passive measures taken to

  • A. Provide a vessel with a sprinkler system
  • B. Provide a vessel with fire fighting equipment
  • C. Limit the risk and spread of fire
  • D. Limit the size of the engine room
Answer: C — Limit the risk and spread of fire

2. What quantity of reserve fuel is to be available for diesel driven fire pumps outside the main machinery space

  • A. 20 liters
  • B. 40 liters
  • C. sufficient amount for six hours operation at full capacity
  • D. Sufficient amount for fifteen hours operation at full capacity
Answer: D — Sufficient amount for fifteen hours operation at full capacity

3. 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?

  • A. 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
  • B. Wait for the appropriate signal on your safety line as the personnel outside will be keeping a track of the time you have spent inside
  • C. 15 minutes after starting to used the set as this leaves you with five minutes air left
  • D. wait until the BA set warning whistle sounds
Answer: D — wait until the BA set warning whistle sounds

4. What is the requirement for escape route opening

  • A. Must be capable of opening from the direction for which escape is required
  • B. Must be capable of opening in both directions
  • C. Must be capable of opening from outside to inside
  • D. Must not be opened without permission
Answer: A — Must be capable of opening from the direction for which escape is required

5. Extinguish the fire by

  • A. Cooling the material
  • B. Starving the fire
  • C. Smothering the fire
  • D. All of the above
Answer: D — All of the above

6. Fire can be caused onboard a vessel by

  • A. A high DC power supply
  • B. Low batteries
  • C. A low AC power supply
  • D. Faulty electrical leads
Answer: D — Faulty electrical leads

7. If you are the first person to discover a fire, what should you do?

  • A. Leave the building immediately
  • B. Head to your locker and get your personal items
  • C. Pick up a fire extinguisher and tackle the fire
  • D. Activate the fire alarm
Answer: D — Activate the fire alarm

8. For fighting fire on the deck of a tanker system used is _____

  • A. Low expansion foam
  • B. High expansion foam
  • C. DCP
  • D. CO2
Answer: A — Low expansion foam

9. A concentration of only ____ % will induce rapid unconsciousness

  • A. 1%
  • B. 10%
  • C. 70%
  • D. 0.33%
Answer: B — 10%

10. Violent flames and heavy black smoke is typical of which sort of fire

  • A. Woodfire
  • B. Paper fire
  • C. Fuel oil fire
  • D. Electrical fire
Answer: C — Fuel oil fire

11. Fire is characterized by

  • A. Reduction
  • B. Oxidation
  • C. Heat
  • D. Corrosion
Answer: C — Heat

12. In case of fire on the electrical motor first thing to do is

  • A. Call the electrician
  • B. Extinguish fire by water spray
  • C. Sound alarm, stop the motor and extinguish using CO2
  • D. Extinguish using a foam extinguisher
Answer: C — Sound alarm, stop the motor and extinguish using CO2

13. The Continuous burning of Fire is represented in fire tetrahedron by addition of

  • A. Chain supply
  • B. Chain reaction
  • C. Chain inhibition
  • D. Chain prevention
Answer: B — Chain reaction

14. A fire is said to be under control when

  • A. It stops spreading
  • B. No smoke is seen
  • C. When the temperature of side wall remains cool and steady
  • D. Flame is knocked off
Answer: B — No smoke is seen

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