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单选题
In an operating diesel engine, which of the following condition is an indication of a leaking air starting valve?（）
A
noise coming from that air starting valve
B
continuous operation of the starting air compressor
C
zero air pressure in the air starting system
D
overheated starting air pipe to the cylinder head
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In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?A.Noise coming from that air starting valveB.Continuous operation of the starting air compressorC.Zero air pressure in the air starting systemD.Overheated starting air pipe to the cylinder head
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单选题Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?（）A
Leaking seal ringB
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单选题Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?（）A
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单选题As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）A
Exhaust temperaturesB
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Secure cooling and lubrication to the damaged turbochargerC
Lock the rotor of the damaged turbochargerD
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The exhaust will contain black smokeC
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Defective temperature controls in the systemB
Cavitation in the cooling water pumpC
Opened vent in the cooling systemD
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单选题In an operating diesel engine, which of the following condition is an indication of a leaking air starting valve?（）A
noise coming from that air starting valveB
continuous operation of the starting air compressorC
zero air pressure in the air starting systemD
overheated starting air pipe to the cylinder head
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speed droopB
compensationC
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load limit control
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考题
单选题Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except（）A
open the indicator cocksB
supply some CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)C
put the fuel handle in the “stop” positionD
pump up the air bottle
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Injection pressuresB
Control air supply pressureC
Cooling water flow through after-coolersD
Lube oil temperature
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