ALL FIREFIGHTER 1 EXAM, PRACTICE EXAM AND STUDY
GUIDE LATEST ACTUAL EXAM 350 QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES
(VERIFIED ANSWERS) |ALREADY GRADED A+
The best method of extinguishing a class A fire is to ____________. - ANSWER: cool
fuel below ignition temperature
The locker or space containing the self-contained breathing apparatus must be
____________. - ANSWER: marked "SELF-CONTAINED BREATHING APPARATUS"
When electrical equipment is involved in a fire, the stream of dry chemicals should
be ____________. - ANSWER: aimed at the source of the flames
In weighing CO2 cylinders, they must be recharged if weight loss exceeds
____________. - ANSWER: 10% of weight of charge
Under the regulations for cargo vessels, which statement is TRUE concerning
fireman's outfits? - ANSWER: Each fireman's outfit shall contain a flame safety lamp
of an approved type.
When discharging a portable CO2 fire extinguisher, you should NOT hold the horn of
the extingui
sher because the horn ____________. - ANSWER: becomes extremely cold
A fire in a ballast pumproom can be brought under control with minimal impact on
stability by ____________. - ANSWER: shutting all sources of air into the
compartment
Which firefighting method is an example of an indirect attack on a fire? - ANSWER:
Flooding a paint locker with CO2 and sealing the compartment
The number of fire axes required to be carried on a cargo vessel of 14,000 GT and on
an internation
al voyage is ____________. - ANSWER: 8
The danger associated with using carbon dioxide in an enclosed space is
____________. - ANSWER: asphyxiation
In order to discharge a CO2 portable fire extinguisher, the operator must FIRST
____________. - ANSWER: remove the locking pin
Before releasing the CO2 into the space, the alarm for a fixed CO2 system must
sound for at least
____________. - ANSWER: 20 seconds
,In setting the valves on a steam-smothering system on a tank vessel, the master
control valve to cargo tanks should be ____________. - ANSWER: closed and the
individual tank valves open
Which statement(s) is(are) TRUE concerning the use of dry chemical extinguishers? -
ANSWER: You should direct the spray at the base of the fire.
How many low-velocity spray applicators are required on the weather decks of a
tankship? - ANSWER: Four
To get low-velocity fog from an all-purpose nozzle, you would ____________. -
ANSWER: attach an applicator to the nozzle in place of the bronze nozzle tip
To safely enter a compartment where CO2 has been released from a fixed
extinguishing system, you should ____________. - ANSWER: wear a self-contained
breathing apparatus
A spanner is a ____________. - ANSWER: special wrench for the couplings in a fire
hose line
When fighting a large fire on your vessel and attacking it from ABOVE the space on
fire, it is import
ant to ____________. - ANSWER: rotate personnel, due to heat stress
The primary danger in helicopter fires is ____________. - ANSWER: burning jet fuel
running on to quarters or other areas
The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing
____________. - ANSWER: vertically downward
The high-velocity fog tip used with the all-purpose fire fighting nozzle should always
be ____________. - ANSWER: attached by a chain
Size III, IV, and V extinguishers are considered ____________. - ANSWER: semi-
portable
A fire in a pile of dunnage would be classified as class ____________. - ANSWER: A
An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in
____________. - ANSWER: a mattress
A squeeze-grip type carbon dioxide portable fire extinguisher has been partially
discharged. It should be ____________. - ANSWER: labeled empty and recharged as
soon as possible
,The normal designed CO2 storage tank temperature and pressure associated with a
ship's low-pressure CO2 fixed fire extinguishing system is approximately
____________. - ANSWER: 0°F at 300 PSI
A cabinet or space containing the controls or valves for the fixed firefighting system
must be ____________. - ANSWER: posted with instructions on the operation of the
system
Semi-portable extinguishers used on inspected vessels are sizes ____________. -
ANSWER: III, IV, and V
Which portable fire extinguisher is normally recharged in a shore facility? - ANSWER:
Carbon dioxide
Fire extinguishing agents used on Class C fires must be ____________. - ANSWER:
nonconducting
Each fire hydrant serving machinery spaces containing oil fired boilers, internal
combustion machinery, or oil fuel units must be equipped with a ____________. -
ANSWER: low-velocity spray applicator
The straight stream capability of an all-purpose nozzle is used in fighting a class A fire
to ____________. - ANSWER: break up burning material
The primary method by which water spray puts out fires is by ____________. -
ANSWER: cooling the fire below the ignition temperature
Fusible-link fire dampers are operated by ____________. - ANSWER: the heat of a
fire melting the link
Which of the following statements is FALSE, concerning the regulations pertaining to
the cylinder room of a fixed CO2 fire extinguishing system? - ANSWER: The door
must be kept unlocked.
An oil fire is classified as class ____________. - ANSWER: B
You are on watch at night in port and discover a fire in #1 hatch. Which action should
you take FIRST? - ANSWER: Sound the general alarm.
A B-III foam extinguisher contains ____________. - ANSWER: 12 gallons of foam
Oil fires are best extinguished by ____________. - ANSWER: cutting off the supply of
oxygen
A fire has broken out on the stern of your vessel. You should maneuver your vessel
so the wind ____________. - ANSWER: comes over the bow
, A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. Your
FIRST action should be to ____________. - ANSWER: shut off the fuel supply
A fire in electrical equipment should be extinguished by using ____________. -
ANSWER: CO2
After putting on a self-contained breathing apparatus, you open the air supply and
hear a continuo
us ringing of a bell. What does this mean? - ANSWER: The air bottle needs to be
refilled.
Fire dampers prevent the spread of fire by ____________. - ANSWER: convection
When fighting a fire in a space containing an IMO class 1 hazardous cargo, the most
effective firefighting procedure is to ____________. - ANSWER: use water from fire
hoses or a sprinkler system
To remedy a leaking fire hose connection at the hydrant, secure the valve and
____________. - ANSWER: replace the gasket in the female coupling
When the bypass valve of a self-contained breathing apparatus is opened, the
mainline valve should be ____________. - ANSWER: completely closed
Which extinguishing agent is the best for use on electrical fires? - ANSWER: CO2
Which statement is TRUE concerning carbon dioxide? - ANSWER: It is an inert gas.
A fire in the galley ALWAYS poses the additional threat of ____________. - ANSWER:
a grease fire in the ventilation system
Which of the following statements is/are TRUE in regard to Ro-Ro vessels' spaces
that are "special
ly suitable for vehicles"? - ANSWER: The spaces shall be fitted with an approved fire
or smoke detecting system.
Radiation spreads a fire by ____________. - ANSWER: transferring heat across an
unobstructed space
A fire main system must have enough fire hydrants so that each accessible space
may be sprayed
with ____________. - ANSWER: at least two spray patterns of water
Fire extinguishers of sizes III, IV, and V are designated as ____________. - ANSWER:
semi-portable
The most effective fire extinguishing agent to use on burning linen is ____________.
- ANSWER: water
GUIDE LATEST ACTUAL EXAM 350 QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES
(VERIFIED ANSWERS) |ALREADY GRADED A+
The best method of extinguishing a class A fire is to ____________. - ANSWER: cool
fuel below ignition temperature
The locker or space containing the self-contained breathing apparatus must be
____________. - ANSWER: marked "SELF-CONTAINED BREATHING APPARATUS"
When electrical equipment is involved in a fire, the stream of dry chemicals should
be ____________. - ANSWER: aimed at the source of the flames
In weighing CO2 cylinders, they must be recharged if weight loss exceeds
____________. - ANSWER: 10% of weight of charge
Under the regulations for cargo vessels, which statement is TRUE concerning
fireman's outfits? - ANSWER: Each fireman's outfit shall contain a flame safety lamp
of an approved type.
When discharging a portable CO2 fire extinguisher, you should NOT hold the horn of
the extingui
sher because the horn ____________. - ANSWER: becomes extremely cold
A fire in a ballast pumproom can be brought under control with minimal impact on
stability by ____________. - ANSWER: shutting all sources of air into the
compartment
Which firefighting method is an example of an indirect attack on a fire? - ANSWER:
Flooding a paint locker with CO2 and sealing the compartment
The number of fire axes required to be carried on a cargo vessel of 14,000 GT and on
an internation
al voyage is ____________. - ANSWER: 8
The danger associated with using carbon dioxide in an enclosed space is
____________. - ANSWER: asphyxiation
In order to discharge a CO2 portable fire extinguisher, the operator must FIRST
____________. - ANSWER: remove the locking pin
Before releasing the CO2 into the space, the alarm for a fixed CO2 system must
sound for at least
____________. - ANSWER: 20 seconds
,In setting the valves on a steam-smothering system on a tank vessel, the master
control valve to cargo tanks should be ____________. - ANSWER: closed and the
individual tank valves open
Which statement(s) is(are) TRUE concerning the use of dry chemical extinguishers? -
ANSWER: You should direct the spray at the base of the fire.
How many low-velocity spray applicators are required on the weather decks of a
tankship? - ANSWER: Four
To get low-velocity fog from an all-purpose nozzle, you would ____________. -
ANSWER: attach an applicator to the nozzle in place of the bronze nozzle tip
To safely enter a compartment where CO2 has been released from a fixed
extinguishing system, you should ____________. - ANSWER: wear a self-contained
breathing apparatus
A spanner is a ____________. - ANSWER: special wrench for the couplings in a fire
hose line
When fighting a large fire on your vessel and attacking it from ABOVE the space on
fire, it is import
ant to ____________. - ANSWER: rotate personnel, due to heat stress
The primary danger in helicopter fires is ____________. - ANSWER: burning jet fuel
running on to quarters or other areas
The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing
____________. - ANSWER: vertically downward
The high-velocity fog tip used with the all-purpose fire fighting nozzle should always
be ____________. - ANSWER: attached by a chain
Size III, IV, and V extinguishers are considered ____________. - ANSWER: semi-
portable
A fire in a pile of dunnage would be classified as class ____________. - ANSWER: A
An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in
____________. - ANSWER: a mattress
A squeeze-grip type carbon dioxide portable fire extinguisher has been partially
discharged. It should be ____________. - ANSWER: labeled empty and recharged as
soon as possible
,The normal designed CO2 storage tank temperature and pressure associated with a
ship's low-pressure CO2 fixed fire extinguishing system is approximately
____________. - ANSWER: 0°F at 300 PSI
A cabinet or space containing the controls or valves for the fixed firefighting system
must be ____________. - ANSWER: posted with instructions on the operation of the
system
Semi-portable extinguishers used on inspected vessels are sizes ____________. -
ANSWER: III, IV, and V
Which portable fire extinguisher is normally recharged in a shore facility? - ANSWER:
Carbon dioxide
Fire extinguishing agents used on Class C fires must be ____________. - ANSWER:
nonconducting
Each fire hydrant serving machinery spaces containing oil fired boilers, internal
combustion machinery, or oil fuel units must be equipped with a ____________. -
ANSWER: low-velocity spray applicator
The straight stream capability of an all-purpose nozzle is used in fighting a class A fire
to ____________. - ANSWER: break up burning material
The primary method by which water spray puts out fires is by ____________. -
ANSWER: cooling the fire below the ignition temperature
Fusible-link fire dampers are operated by ____________. - ANSWER: the heat of a
fire melting the link
Which of the following statements is FALSE, concerning the regulations pertaining to
the cylinder room of a fixed CO2 fire extinguishing system? - ANSWER: The door
must be kept unlocked.
An oil fire is classified as class ____________. - ANSWER: B
You are on watch at night in port and discover a fire in #1 hatch. Which action should
you take FIRST? - ANSWER: Sound the general alarm.
A B-III foam extinguisher contains ____________. - ANSWER: 12 gallons of foam
Oil fires are best extinguished by ____________. - ANSWER: cutting off the supply of
oxygen
A fire has broken out on the stern of your vessel. You should maneuver your vessel
so the wind ____________. - ANSWER: comes over the bow
, A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. Your
FIRST action should be to ____________. - ANSWER: shut off the fuel supply
A fire in electrical equipment should be extinguished by using ____________. -
ANSWER: CO2
After putting on a self-contained breathing apparatus, you open the air supply and
hear a continuo
us ringing of a bell. What does this mean? - ANSWER: The air bottle needs to be
refilled.
Fire dampers prevent the spread of fire by ____________. - ANSWER: convection
When fighting a fire in a space containing an IMO class 1 hazardous cargo, the most
effective firefighting procedure is to ____________. - ANSWER: use water from fire
hoses or a sprinkler system
To remedy a leaking fire hose connection at the hydrant, secure the valve and
____________. - ANSWER: replace the gasket in the female coupling
When the bypass valve of a self-contained breathing apparatus is opened, the
mainline valve should be ____________. - ANSWER: completely closed
Which extinguishing agent is the best for use on electrical fires? - ANSWER: CO2
Which statement is TRUE concerning carbon dioxide? - ANSWER: It is an inert gas.
A fire in the galley ALWAYS poses the additional threat of ____________. - ANSWER:
a grease fire in the ventilation system
Which of the following statements is/are TRUE in regard to Ro-Ro vessels' spaces
that are "special
ly suitable for vehicles"? - ANSWER: The spaces shall be fitted with an approved fire
or smoke detecting system.
Radiation spreads a fire by ____________. - ANSWER: transferring heat across an
unobstructed space
A fire main system must have enough fire hydrants so that each accessible space
may be sprayed
with ____________. - ANSWER: at least two spray patterns of water
Fire extinguishers of sizes III, IV, and V are designated as ____________. - ANSWER:
semi-portable
The most effective fire extinguishing agent to use on burning linen is ____________.
- ANSWER: water
