decrease until the engine speed increases
increase as the load increases
decrease as the load
increases remain unchanged
第1题：
The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually______.
A.greater than the average exhaust manifold pressure
B.less than the average exhaust manifold pressure
C.greater at the turbine wheel than at the impeller
D.greater at reduced engine speed
第2题：
regulating the speed of the turbocharger
rotating the fuel injector pump plunger
regulating the speed of the fuel oil transfer pump
changing engine timing
第3题：
A sudden power loss from a turbocharged and after-cooled diesel engine is an indication of a/an
A.turbocharger malfunction or failure
B.crankcase exhauster overload
C.overload on the intercooler
D.obstruction in the engine cylinders
第4题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine coolant
第5题：
slow-speed diesel
medium-speed diesel
high-speed diesel
constant-speed diesel
第6题：
Slow speed diesel engines
Medium-speed diesel engines
Steam engines
Gasoline engines
第7题：
a single, long-stroke, slow-speed, turbocharged, two-stroke diesel engine
a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engine
two medium-speed, turbocharged, four-stroke diesel engines
a variable-speed AC generator
第8题：
In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the _____.
A.governor droop
B.speeder spring tension
C.fuel rack lag
D.load on the engine
第9题：
one half crankshaft speed in a two-stroke cycle diesel engine
crankshaft speed in a two-stroke cycle diesel engine
two times crankshaft speed in a two-stroke cycle diesel engine
one-fourth times crankshaft speed in a four-stroke cycle diesel engine
第10题：
power the after-coolers
power the turbocharger
reduce the cylinder scavenge effect
cool the turbocharger