AFF - Advanced Fire Fighting Exit Exam Questions - Set 7

Question 1

The risk of fire and explosion is ________ in tankers.

Accepted Answer

D: Very high

Answer

A: Identical to generic dry cargo vessels

Answer

B: Controlled solely by hull thickness layout

Answer

C: Negligible under standard cruising speeds

Question 2

Why should foam be banked off a bulkhead when extinguishing an oil fire?

Accepted Answer

A: To prevent agitation of the oil and spreading the fire

Answer

B: To speed up chemical stabilization loops of active foam bubbles

Answer

C: To avoid cooling structural steel components unevenly

Answer

D: To maximize the coverage range of standard delivery equipment

Question 3

A large oil fire on the deck of a ship can be fought most effectively with:

Accepted Answer

C: Foam

Answer

A: Solid streams of sea water

Answer

B: High pressure carbon dioxide gas grids

Answer

D: Portable dry powder spray canisters

Question 4

The minimum flashpoint of oil fuel carried on board a ship is:

Accepted Answer

C: 60 degrees Celsius

Answer

A: 50 degrees Celsius

Answer

B: 70 degrees Celsius

Answer

D: 40 degrees Celsius

Question 5

You are operating a fire hose with an applicator attached. If you put the handle of the nozzle in the vertical position, you will use:

Accepted Answer

D: Low velocity fog

Answer

A: High velocity solid jet stream

Answer

B: Shutoff position with zero output flow

Answer

C: Foam solution delivery parameter

Question 6

To safely enter a compartment where CO2 has been released from a fixed extinguishing system, you should:

Accepted Answer

B: Wear a self-contained breathing apparatus (SCBA)

Answer

A: Run a hand-held exhaust blower for five minutes first

Answer

C: Wear a generic particulate dust filter mask

Answer

D: Wait ten minutes for gas settlement before walking in

Question 7

The international shore connection:

Accepted Answer

A: Allows hookup of firefighting water from shore facilities

Answer

B: Links ship navigation logs with port administration grids

Answer

C: Supplies high voltage electrical power to propulsion links

Answer

D: Drains oily bilge slops safely to dockside collection tanks

Question 8

A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind:

Accepted Answer

C: Comes over the bow

Answer

A: Blows at right angles to cross-vent the hull decks

Answer

B: Comes directly over the stern layout beam

Answer

D: Changes into circular thermal swirling patterns

Question 9

An extinguishing agent which effectively cools, dilutes combustible vapors, removes oxygen, and provides a heat and smoke screen is:

Accepted Answer

A: Water fog

Answer

B: Halon gas

Answer

C: Dry chemical powder formulation

Answer

D: Aqueous film-forming foam solution

Question 10

The expansion of LFL is:

Accepted Answer

C: Lower Flammable Limit

Answer

A: Light Flame Location

Answer

B: Liquid Fuel Line

Answer

D: Low Flashpoint Liquid

Question 11

Which statement describes the primary process by which fires are extinguished by dry chemical?

Accepted Answer

D: The dry chemical powder attacks the fuel and oxygen chain reaction

Answer

A: The active agent drops fuel core parameters past absolute freezing margins

Answer

B: The dry chemical creates a dense visual foam overlay block

Answer

C: It relies on heavy moisture transformation into structural vapor screens

Question 12

What is the most important consideration when determining to fight an electrical fire?

Accepted Answer

A: Danger of shock to personnel

Answer

B: Shutting down auxiliary lighting networks across accommodation spaces

Answer

C: The replacement costs of burnt circuitry components

Answer

D: The clean-up time required for active extinguishing residue

Question 13

If you see an oil leakage, you clean it immediately. This is an example of:

Accepted Answer

A: Good housekeeping

Answer

B: ISO structural standard declaration rules

Answer

C: Deck log monitoring instructions

Answer

D: Preventive machinery tuning parameters

Question 14

When dry chemical extinguishers are used to put out Class B fires, there is a danger of reflash because dry chemical:

Accepted Answer

C: Does little or no cooling

Answer

A: Reacts aggressively with marine steel materials

Answer

B: Vaporizes into flammable gas compounds under heat exposure

Answer

D: Displaces air structures for only a few seconds

Question 15

Which of the following fire extinguishing agents has the greatest capacity for heat absorption?

Accepted Answer

D: Water fog

Answer

A: Carbon dioxide gas jet

Answer

B: Dry chemical powder spray

Answer

C: Mechanical foam blanket expansion

Question 16

The expansion of IBC code is:

Accepted Answer

C: International Bulk Chemical code

Answer

A: International Bilge Control code

Answer

B: International Bulk Cargo code

Answer

D: Intermaritime Boiler Construction code

Question 17

As compared to carbon dioxide, dry chemical has which advantage?

Accepted Answer

A: Greater range

Answer

B: It is non-toxic inside confined spaces

Answer

C: It offers significant localized thermal cooling effects

Answer

D: It leaves no visible residue cleanup footprint on components

Question 18

Which of the listed firefighting agents and associated applications provide the largest shielding effect for the firefighter?

Accepted Answer

B: Low velocity water fog

Answer

A: Continuous carbon dioxide stream jet

Answer

C: Straight high-velocity water jet

Answer

D: High-expansion chemical foam spray

Question 19

An example of a type of smoke detector is the:

Accepted Answer

B: Ionization type

Answer

A: Visual infrared flame scanner screen

Answer

C: Hydrostatic expansion capsule sensor

Answer

D: Thermal differential bimetallic link switch

Question 20

Which firefighting agent is most effective in removing heat?

Accepted Answer

D: Water spray

Answer

A: Carbon dioxide vapor stream

Answer

B: Dry chemical powder blanket throw

Answer

C: Mechanical structural foam solution

Question 21

When water fog is used as an extinguishing agent, the fire is extinguished principally by the:

Accepted Answer

D: Absorption of heat

Answer

A: Displacement of active fuel structures safely

Answer

B: Exclusion of atmospheric nitrogen elements

Answer

C: Chemical breakdown of active free radicals

Question 22

Fire extinguishers of sizes 3, 4, and 5 are designated as:

Accepted Answer

B: Semi-portable

Answer

A: Hand portable

Answer

C: Fixed system bank units

Answer

D: Auxiliary utility modules

Question 23

Dangerous goods are classified into how many groups?

Accepted Answer

D: Nine groups

Answer

A: Three groups

Answer

B: Five groups

Answer

C: Twelve groups

Question 24

The discharge from a carbon dioxide fire extinguisher should be directed:

Accepted Answer

C: At the base of the flames

Answer

A: At the top perimeter layout of smoke clouds

Answer

B: Directly into adjacent ventilation return trunks

Answer

D: In wide looping circles across structural partition bulkheads

Question 25

Which statement is true concerning the use of dry chemical extinguishers?

Accepted Answer

A: You should direct the spray at the base of the fire

Answer

B: They are deployed safely on metal fires like sodium or magnesium

Answer

C: You should direct the spray at the top edges of structural smoke screens

Answer

D: They provide deep cooling to prevent any risk of re-ignition

Question 26

What is the minimum number of portable fire extinguishers that must be carried on ships of 1000 GRT and above?

Accepted Answer

C: Five

Answer

A: Eight

Answer

B: Three

Answer

D: Two

Question 27

What is the primary function of the emergency fire pump isolate valve fitted on main deck?

Accepted Answer

C: Isolate engine room fire main from deck fire main

Answer

A: Prevent backflow to sea chest

Answer

B: Divert water to bilges

Answer

D: Increase fire water pressure to accommodation

Question 28

Under SOLAS, what is the minimum duration for SCBA cylinder duration calculation margin?

Accepted Answer

D: 30 minutes at 40 L/min breathing rate

Answer

A: 45 minutes at standard atmosphere

Answer

B: 15 minutes at 20 L/min breathing rate

Answer

C: 60 minutes continuous flow

Question 29

What type of fixed fire extinguishing system is mandatory for paint lockers exceeding specified floor area?

Accepted Answer

A: Fixed CO2 or water-sprinkling system

Answer

B: Dry powder system

Answer

C: High expansion foam only

Answer

D: Inert gas generator

Question 30

What action must be taken regarding mechanical ventilation before releasing CO2 into engine room?

Accepted Answer

C: Stop all fans and close all dampers tight

Answer

A: Open skylights for pressure relief

Answer

B: Keep exhaust fans running to remove smoke

Answer

D: Set ventilation to 50% capacity

Advanced Fire Fighting (AFF) (Set 7)

The risk of fire and explosion is ________ in tankers.

Questions in AFF Set 7

Question Discussion & Notes

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