Diesel engine cylinder head test cocks are used to（）<br>A:check cylinder lubrication prior to starting engine<br>B:connect exhaust gas analyzers to determine engine efficiency<br>C:pressure test cylinder heads to check for leaks<br>D:remove moisture accumulations from cylinder prior to starting

Diesel engine cylinder head test cocks are used to（）
A:check cylinder lubrication prior to starting engine
B:connect exhaust gas analyzers to determine engine efficiency
C:pressure test cylinder heads to check for leaks
D:remove moisture accumulations from cylinder prior to starting

出自：海船船员证

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