A．100%
B．110%
C．85%
D．different
[单选题]D．uring sea trial, the main engine well be kept run at load.A．100%B．110%C．85%D．different
[单选题]D．uring the watch keeping at sea, the engineer in charge should notify______in the event of any serious occurrence or a situation where he is unsure of the action to takeA．the masterB．the chief engineerC．the bridgeD．the company superintendent
[单选题]The expansion data of the turbinc must be ( ) during trial operation.A.reco
[单选题]If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.A . at each control stationB . in the chief engineer’s quartersC . in the captains quartersD . All of the above are correct
[单选题]The main propulsion diesel engine jacket water temperature rises above normal, with the raw sea suction and the expansion tank water level being normal. Which of the following problems is most likely the cause?A．Faulty thermostatic bypass valveB．Erod
[单选题]The main moving parts of a diesel engine consist of the （） and the pistons.A . bedplate, connecting rodsB . crankshaft, the connecting rodsC . frames, crossheadsD . crankshaft, the cylinder
[单选题]For a main diesel engine the lube oil in the bearings is drawn from （）, usually located in the bedplate.A . a gravity tankB . a sumpC . a vesselD . a bottle
[单选题]The oil index of main engine should be controlled to prevent it from ____ in heavy weather.A．over heatB．over speedC．over pressureD．over worn
[单选题]Diesel engine main and connecting rod precision bearings are made in halvesEach half exceeds one-half the bearing circumference by a small amountThe small amount is termed （）.A . clearanceB . crushC . pitchD . thrust
[单选题]Piston No2 of main engine has been removed, and it will be （） by noon tomorrow.A . liftedB . reassembledC . dismountedD . disassembled