A diesel engine piston crown can crack from （）
- Aexcessive piston to liner clearance
- Bexcessive dirt beneath the piston crown that reduces heat transfer
- Cfaulty nozzle spray
- Dall of the above
问题
A diesel engine piston crown can crack
参考解析：
分类：船舶电气与船舶安全题库
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6、Cracking of a diesel piston crown can
Cracking of a diesel piston crown can result from（）AExcessive piston to liner clearanceBThe underside of the piston crown being excessively dirty lowering the rate of heat transferCFaulty nozzle sprayDAll of the above