更多"If a fire occurs in the boiler room"的相关试题:
[单项选择]If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST （）.
A. notify the engineer on watch
B. isolate and secure the piping
C. throw sand on the fire
D. extinguish the fire using a combination nozzle with applicator
[单项选择]Waterside scale in a fire-tube boiler may cause （）.
A. increased heat transfer
B. fireside erosion
C. high steam demand
D. overheated tubes
[单项选择]Engine room is（）fire.
A. on
B. in
C. at
D. out
[单项选择]The alarm signal for engine room catching fire is a blast of random bell follow by （）
A. two knock
B. three knocks
C. four knocks
D. five knocks
[单项选择]If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST （）.
A. secure the ventilation
B. find a soda acid extinguisher
C. shut off the fuel oil supply
D. secure the generator
[单项选择]A （） boiler is an auxiliary boiler sometimes included in a steamships installation for supplying steam to auxiliaries in port.
A. monkey
B. donkey
C. waste heat
D. main
[单项选择]An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in（）.
A. a mattress
B. spilled liquids such as oil or paint
C. high voltage electrical gear
D. a trash can
[单项选择]Fire dampers prevent the fire spreading through the process of （）.
A. convection
B. conduction
C. radiation
D. direct contact
[单项选择]A donkey boiler is （）.
A. one to supply steam to the main propulsion turbine
B. an auxiliary boiler
C. A and B
D. neither A nor B
[单项选择]A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
A. a low velocity spray applicator
B. a water spray or solid stream
C. at least two spray patterns of water
D. at least 25 psi delivered pressure
[单项选择]The basic training in fire prevention and fire fighting should include the practical elements which should allow the trainees to acquire the ability to （）.
A. use self-contained breathing apparatus
B. use various types of portable fire extinguishers
C. effect a rescue in a smoke-filled space wearing breathing apparatus
D. All of the above
[单项选择]The brickwork surrounding the firebox of a boiler is known as（）.
A. refractory
B. the screen wall
C. the water wall
D. fire plate
[单项选择]The boiler feed pump discharge pressure is higher than the steam drum pressure to （）.
A. ensure feed water flow into the boiler
B. keep the steam drum pressure high
C. prevent water hammer in the feed line
D. help the feed water flash to steam
[单项选择]For proper operation, auxiliary boiler feed water must have which of the following characteristics?（）
A. High oxygen concentration
B. Low pH
C. Proper alkalinity
D. All of the above
[单项选择]Heavy soot accumulations in an auxiliary boiler could be caused by（）
A. water in the fuel oil
B. excessive cycling
C. high fuel oil pressure
D. improper burner maintenance
[单项选择]The water in an operating auxiliary boiler should be tested for alkalinity and chloride content each（）.
A. hour
B. day
C. week
D. month
[单项选择]Diesel engine waste heat boiler construction is usually of the fire-tube or（）
A. cyclone furnace boiler type
B. dry back boiler type
C. water-tube type
D. critical circulation boiler type
[单项选择]On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）
A. Carbon dioxide
B. Water (stored pressure)
C. Dry chemical
D. Foam
