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单选题
In a large, low-speed diesel engine the clearance between the piston crown and cylinder head is found to be excessiveIn order to correct for this, you should（）
A
build up the piston crown by metal spraying
B
build up the cylinder head by metal spraying
C
insert shims between the crankpin bearing box and the connecting rod foot
D
install a thinner head gasket
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更多 “单选题In a large, low-speed diesel engine the clearance between the piston crown and cylinder head is found to be excessiveIn order to correct for this, you should（）A build up the piston crown by metal sprayingB build up the cylinder head by metal sprayingC insert shims between the crankpin bearing box and the connecting rod footD install a thinner head gasket” 相关考题
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单选题The rate of cylinder lubricating oil metered to each cylinder of a large low-speed main propulsion diesel engine is （）A
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单选题While underway, which of the following would be the FIRST step in reversing a direct reversing large, low-speed, main propulsion, diesel engine?（）A
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单选题As to the bearing, of the following, which statement is not true?（）A
ff overheat is found, the engine must be stopped for inspectionB
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increasing the lube oil pressureC
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Plugged injector nozzlesB
Excessive fuel injectionC
Very late injection timingD
Incorrect crankshaft clearance
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insufficient fuel supply due to fuel pump valves sticking or leakingB
excessive mechanical clearance between the piston crown and cylinder headC
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excessive exhaust back pressure
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valve sizeC
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The diesel oil must never be allowed to mix with the heavy fuelB
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