[单选题]In many installations basket strainers consist of a cylindrical container in which a perforated metal or wire basket is suspended. The bold and italic word “which”means______.
[单选题]Persistent knocking of one cylinder of a diesel engine ceases when the fuel supply to that cylinder is secured. This problem may be a result of ________.
[单选题]Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?
[单选题]Which of the following statements represents the correct action to take when three crew members discover a fire?
[单选题]_______continuously extract the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity measuring track.