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单选题
The rotating range of the low speed diesel engine is usually lower than （）.
A
100 rpm
B
200 rpm
C
300 rpm
D
500 rpm
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runs out of fuelB
has low lubricating oil pressureC
exceeds a set maximum speedD
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单选题The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by （）.A
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单选题As to the low speed diesel engine, if you want to change the coolant flow for a certain cylinder, you can regulate （）.A
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the outlet valveC
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单选题Starting a large low-speed propulsion diesel engine on diesel fuel during cold weather conditions, will be made easier by （）A
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单选题When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）A
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During accelerationD
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单选题Cavitation erosion in the cooling water system of a diesel engine usually occurs at the pump impeller, and on the waterside of the （）A
fuel nozzle holdersB
exhaust value guidesC
engine cylinder linersD
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large conical springsB
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exhaust gas pressure
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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
one-half engine speedB
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单选题Which of the following conditions may need to be reduced when operating a large, low speed, main propulsion, diesel engine at low loads?（）A
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