Which of the following conditions could contribute
Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?
A.Leaking seal ring
B.Insufficient heat transfer from the exhaust valves
C.Blocked cooling water passages to the head
D.Excessive scavenging air provided to the engine
请帮忙给出正确答案和分析,谢谢!
参考解答
正确答案:C
相似问题
when do you have call the chief engineer to the en
when do you have call the chief engineer to the engine room ?请帮忙给出正确答案和分析,谢谢!
During the PSC inspection under the provisions of
During the PSC inspection, under the provisions of SOLAS 74, which one be regarded as clear grounds for ships" detainment?A
The field coils _____and the armature _____. This
The field coils _____and the armature _____ This is in fact the arrangement adopted for large, heavy duty alternators A are
对于新造船或新购置活塞 轮机员除对活塞的尺寸 形状和表面粗糙度做一般性检验外 还应对活塞的_____
对于新造船或新购置活塞,轮机员除对活塞的尺寸、形状和表面粗糙度做一般性检验外,还应对活塞的_______进行检验A 位置精度B 材料和热处理工艺C 机械性能
To add refrigerant to the low side of an air condi
To add refrigerant to the low side of an air conditioning system, the refrigerant should be introduced through the_______ A
