問題一覧
1
Which of the listed tanks present the greatest potential for an explosion?
A partially filled tank of diesel oil
2
Which of the following statements is true concerning carbon dioxide when use as a fire extinguishing agent?
Its smothering effect is excellent for class "B" fires
3
When discharging the main bank of fixed CO2 into a major engine room fire, CO2 pressure is used to ____
all of the above
4
If the alarm provided in the fixed CO2 system sounds in the engine room, you should ___
leave the space immediately
5
Identify this FFE IMO symbol
CO2 horn
6
You are fighting a class "B" fire with a portable fire extinguisher. The discharge should be directed ___
the seat of the fire, starting at the near edge
7
In case of fire in the switch board, what kind of extinguishant to be preferred?
CO2
8
If a fire occurs as a result of fuel oil leaking from the boiler fuel oil manifold, the FIRST action taken should be to ____
secure the fuel supply
9
The fire prevention in welding or burning aboard a vessel should include: I. Posting a fire watch in the immediate area, II. Providing an extinguisher which is ready for immediate use; III. Requiring the fire watch to remain on post for 30minutes after the operation
I, II, and III
10
Which of the listed classes of fire is considered as one involving electrical equipment?
Class C
11
If a fixed fire extinguishing system is installed on any vessel, it must be of a type approved by the
US Coast Guard
12
The fire protection provided for the propulsion motor and generator of a diesel electric drive vessel is usually a ___
fixed CO2 system
13
A fire is considered "under control" when ___
the fire is contianed and no longer spreading
14
Identify this FFE IMO symbol
fire hydrant
15
Which code approves all fire detection and alarms system on board?
International Fire Safety System Code
16
The Muster List shall show the duties assigned to members of the crew. Which of the following duties shall be included according to present regulations?
Manning of fire parties assigned to deal with fires
17
How often shall crewmembers participate in safety drills?
once every month
18
Foam tends to extinguisher a fire by
smothering the burning material
19
According to 46 CFR's PART 96, what is the minimum period of time that an approved SCBA is required to provide an air supply?
30 minutes
20
On a vessel, a cabinet or space containing the controls or valves for the fixed firefighting system must be ___
posted with instructions on the operation of the system
21
Identify this FFE IMO symbol
emergency fire pump
22
Chemical foam is most suitable for use on a fire involving ___
oil
23
Which of the following defines the function of the bypass valve on the self-contained breathing apparatus?
allow the wearer to manually give himself oxygen
24
Fires resulting from "spontaneous combustion" are usually caused by the improper disposal of
oily rags
25
How does foam extinguish an oil fire?
by excluding the oxygen from fire
26
Which of the listed tanks present the greatest potential for an explosion?
a partially filled tank of diesel oil
27
Identify this FFE IMO symbol
fire damper in vent duct
28
Fuel vents are fitted with corrosion resistant screen to prevent
flames entering the tank vent
29
The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line is to ____
stop the flow of leaking fuel oil
30
If you must enter the water on which there is an oil fire, you should __
enter the water on the windward side of the vessel
31
Identify this FFE IMO symbol
class watertight fire door