Low compression pressure in a diesel e

Low compression pressure in a diesel engine may be the result of （）

Ainsufficient fuel supply due to fuel pump valves sticking or leaking
Bexcessive mechanical clearance between the piston crown and cylinder head
Cexcessively worn fuel pump plunger
Dexcessive exhaust back pressure

参考答案

参考解析：

分类：船舶电气与船舶安全题库

If the firing pressures in a diesel engine are high, although the exhaust temperatures are normal, the cause may be（）Aearly injection timingBw...

2、When a diesel engine compression press

When a diesel engine compression pressure is checked, the indicator is connected to the （）Acylinder exhaust portsBinjection lineCcylinder indicator cockDbanjo oiler line

3、Low compression in a diesel engine cou

Low compression in a diesel engine could be caused by（）Aworn or broken cylinder liner sealing ringsBhigh cooling water temperatureCworn or broken piston ringsDlow fuel oil pressure

4、The highest pressure in a diesel engin

The highest pressure in a diesel engine cylinder normally occurs （）.Aat TDCBbefore TDCCafter TDCDduring air starting

5、A drop in compression pressure in one

A drop in compression pressure in one cylinder of a diesel engine can be caused by（）Aa leaking fuel injection nozzleBa clogged air filterCearly fuel injectionDburned valve

6、Low compression pressure in a diesel e

Low compression pressure in a diesel engine is caused by（）Alow water in the expansion tankBimproperly seated valvesClow fuel oil pressureDworn or broken cylinder liner sealing ring

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