A.drained off
B.collected
C.sent to the crankcases
D.separated with oil
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A.rotary compressors
B.reciprocating compressors
C.centrifugal compressors
D.screw compressors
A.starting diesel engines
B.pneumatic control systems
C.pneumatic tools
D.supercharging air
A.globe valves
B.butterfly valves
C.gate valves
D.reducing valves
A.a sewage treatment plant
B.the extended aeration process
C.the liquor
D.the bubbling air
A.in boiler drums
B.in refrigerating plants
C.in starting air pipes
D.in air coolers
A.boiler drums
B.hot wells
C.condensers
D.evaporators
A.high pressure alarm
B.fire alarm
C.extinguishers
D.fusible plugs
A.filled
B.evacuated
C.compressed
D.charged
A.greater
B.smaller
C.better
D.worse
A.hydraulic head
B.static head
C.heat energy
D.steam
最新试题
Using a file without a handle may result in ()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
Under MARPOL Code the ship to which it applies has to carry ()
Diesel engine air start system check valves are opened by ()
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
() is not installed on the main switchboar.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()