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单选题
Fuel injection equipment must be kept in good condition, timed correctly, and the （）in each cylinder must also be carefully balanced so that individual cylinders are not overloaded.
A
MIP
B
MCR
C
MEP
D
BHP
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keep torsional vibration constantC
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ensure the needle valve is flushed clean during each injectionC
prevent combustion gas blowback into the open needle valveD
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单选题Where must the master or person in charge of a ship record the date of each test of emergency lighting and power systems and the condition and performance of the equipment（）.A
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compression ratioC
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单选题The major cause of problems occurring with fuel injection equipment is（）A
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blocksB
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单选题Fuel injection systems meter fuel, atomize fuel, and （）.A
create turbulence in the combustion chamberB
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inject fuel at the proper timeD
minimize fuel penetration into the cylinder
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单选题If the plunger or barrel of a fuel injection jerk pump becomes damaged,（）A
only the replacement of the entire pump would be acceptableB
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the barrel and plunger must be replaced as a unit
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