[单选题]When under maneuvering conditions with the machinery being manually operated the control unit or console should be_____
[单选题]For the oil purifier, the water content of the oil is continuously _____ and when a pre-set maximum level is reached a total discharge function is automatically actuated.
[单选题]In the starting process of a diesel engine, the main object is to attain the compression condition sufficient to ____
[单选题]Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?
[单选题]During the diesel engine running period, the water level of F、W expansion tank should normally kept at the ________level of glass tube、
[单选题]After received the “finished with engine” instruction, which of the following operations is false?
[单选题]According to STCW78/95, the abilities specified in the standards of competence are grouped as seven functions at three levels of responsibility, which of the following is one of the three levels?
[单选题]In order to reduce the chance of detentions ships should routinely verify the following except for _____.
[单选题]Mechanical lubricators for diesel engine cylinders are usually small reciprocating pumps which are ___________.
[单选题]The correct tightening is obtained by the use of ____ to measure the extension given to the bolts