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单选题
Where foam extinguishing systems are provided on a ship，each machinery flat in the protected space must have a(n)（）.
A
coaming
B
alarm
C
drain
D
fire sensor
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单选题Production of mechanical foam by a portable in-line foam proportioner（）.A
increases the size of foam bubbles formedB
increases the rate of foam productionC
improves the extinguishing properties of foamD
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单选题Support of ship side plating is provided primarily by transverse（）.A
beamsB
girdersC
framesD
bulkheads
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单选题Which of the listed fire extinguishers cannot be easily recharged aboard ship?（）A
Soda acidB
Carbon dioxideC
Dry chemicalD
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单选题Each hand portable，semi-portable and fixed fire extinguishing unit on a ship must be tested and inspected at least once every（）.A
six weeksB
six monthsC
twelve monthsD
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单选题Certain requirements must currently be met by a ship’s steering system.There must be （）independent means of steering, although where two identical power units are provided, an auxiliary unit is not required.A
oneB
twoC
threeD
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单选题Records of tests and inspections of a cargo vessel’s fire extinguishing systems shall be（）on board until the vessel’s Certificate of Inspection expires.A
consealedB
detainedC
containedD
kept
考题
单选题What is an advantage of using foam in fire fighting?（）A
It is effective in controlling fire in flowing oil such as coming from a broken fuel lineB
It absorbs heat from materials that could cause reignitionC
Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishmentD
Once the surface is blanketed with foam and the fire is extinguished，no further foam is required
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单选题The blocking or absence of fire dampers can cause（）.A
the accumulation of explosive gasesB
faster cooling of the fireC
the fire to spread through the ventilation systemD
fixed foam systems to be ineffective
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单选题Where must the master or person in charge of a ship record the date of each test of emergency lighting and power systems and the condition and performance of the equipment（）.A
On the Certificate of InspectionB
On the station billC
In the Operations ManualD
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单选题Generally, the first action in extinguishing an LFG fire caused by escaping gas is to（）.A
sweep flames away with water sprayB
shut off the leakC
use a chemical foam fire extinguisherD
call t e local fire department
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单选题Which fire extinguishing agent can NOT be used on an ethylenediamine?（）A
Water foamB
Dry chemical powderC
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单选题As an extinguishing agent，foam（）.A
conducts electricityB
should be directed at the base of the fireC
is most effective on burning gases which are flowingD
extinguishes by cooling oil fires below ignition temperature
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单选题The best method of extinguishing a class A fire is to（）.A
remove oxygen from the areaB
cool fuel below ignition temperatureC
smother with CO2D
smother fire with foam
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单选题Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.A
DEFEB
DEC
DSD
DES
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多选题On what conditions may an exemption certificate，exempting from the requirement to install a fixed fire extinguishing system in a cargo space，be issued？（）AThe ship is constructed and solely intended for carriage of ore， coal， grain， unseasoned timber， non-combustible cargoes or cargoes which according to the Administration constitute a low fire riskBSteel hatch covers and effective means of closing all ventilators and other openings to the cargo space are fittedCA fixed deck foam system is be fitted in lieu of the cargo space extinguishing systemDThe vessel is less than 10 000 gross tonnage
考题
单选题A simplified construction plan may be included in the ship construction portfolio provided it adequately defines the（）.A
areas where special materials are usedB
hazardous areasC
location of emergency repair equipmentD
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考题
单选题0ne of the limitations of foam as an extinguishing agent is that foam（）.A
cannot be made with salt waterB
is heavierthan oil and sinks below its surfaceC
is corrosive and to fire fightersD
conducts electricity
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单选题Deck foam systems，designed to protect cargo areas on tankers built after January 1，1975，must have a supply of foam-producing material to operate the system at its designed rate of foam production for（）.A
15 minutes without rechargingB
20 minutes without rechargingC
25 minutes without rechargingD
30 minutes without recharging
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单选题Where must the 0mster or person in charge of a ship record the date of each test of emergency lighting and power systems and the condition and performance of the equipment?（）A
On the Certificate of InspectionB
On the Muster List (Station Bill)C
In the Operations ManualD
In either the official or unofficial log
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