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练习题二
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举一反三
【单选题】If the exhaust gas temperature of the incinerator is too high, or if sparks are developed, what should you do?
A.
Close the inlet and outlet valves for diesel oil
B.
Open the air nozzles in the secondary combustion chamber until it stops
C.
Open the air nozzles in the primary combustion chamber until it stops
D.
Close inlet valve for the pressurized air.
【单选题】Operation of Detroit's trash incinerator, the largest in the nation, was halted last month, less than a year after it was put into service. The huge plant, which was designed to change waste into ener...
A.
There was too much trash.
B.
It was unhealthy.
C.
It was unable to convert waste into energy.
D.
It could not be regulated.
【单选题】If there is coming dark smoke out of the stack of the incinerator, what should you do?
A.
Open the air nozzles in the primary combustion chamber until it stops
B.
Open the air nozzles in the secondary combustion chamber until it stops
C.
Closc thc inlet and outlet valves for diesel oil
D.
Close inlet valve for the pressurized air.
【单选题】The furnace of an incinerator should be _____before the auxiliary burner is lit.
A.
heated
B.
cleared of air
C.
purged
D.
cleared of water
【单选题】在CD光盘上标记有CD-RW字样,RW标记表明该光盘是
A.
只能写入一次，可以反复读出的一次性写入光盘
B.
可多次擦除型光盘
C.
只能读出，不能写入的只读光盘
D.
其驱动器单位速为1350KB/S的高密度可读写光盘
【单选题】During incinerating, an incinerator vibrates excessively. Which of the following causes maybe correct?
A.
Too much water in the furnace
B.
Bad atomization
C.
Too much air in the fumace
D.
Sludge temperature is too high
【单选题】After passing through the turbine the exhaust gas is conduced out into the______.
A.
incinerator
B.
cylinder
C.
compressor
D.
open air
【单选题】When an incinerator goes out suddenly, the ____ supply should be shut off quickly
A.
Fuel
B.
Sludge
C.
Air
D.
Fuel and sludge
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