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单选题
If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）
A
decrease until the engine speed increases
B
increase as the load increases
C
decrease as the load
D
increases remain unchanged
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increasing the quantity of starting airB
increasing the lube oil pressureC
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单选题The exhaust system for a turbocharged diesel engine functions to （）A
power the after-coolersB
power the turbochargerC
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单选题The exhaust system for a turbocharged two-stroke/cycle diesel engine functions to（）A
discharge exhaust gases and smokeB
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单选题The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually（）A
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单选题Defective atomizer in a diesel engine will lead to（）.A
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smoky exhaustB
starting failureC
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单选题A diesel engine is equipped with an isochronous hydraulic governorA decrease in load will cause the engine speed to （）A
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increase slightly then returned to original speed
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单选题The term medium speed diesel engine is currently taken to mean an engine with an operating rotational speed of （） rpm.A
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考题
单选题If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）A
decrease until the engine speed increasesB
increase as the load increasesC
decrease as the loadD
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fuel rack lagD
load on the engine
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单选题When the load is increased on a turbocharged diesel engine, the amount of increased air supplied by the turbocharger will（）A
lag behind the increased fuel supplied to the engineB
enter the engine along with the increase in the fuelC
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leave the turbocharger as a negative pulse
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单选题A turbocharged, four-stroke/cycle diesel engine has a larger valve overlap than a naturally aspirated four-stroke/cycle diesel engine, in order to in crease the （）.A
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单选题A six-cylinder, two-stroke/cycle diesel engine is fitted with a rotary distributing air starting systemThe speed of the rotating distributor disc is （）A
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