單項選擇題Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except()

A.open the indicator cocks
B.supply some CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)
C.put the fuel handle in the “stop” position
D.pump up the air bottle


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2.單項選擇題Usually, emergency electricity supplies to on board()

A.Cargo winch
B.Windlass
C.Steering gear
D.Main air compressor

3.單項選擇題Before doing any work on a hydraulic system equipped with accumulators, you should()

A.drain the accumulators and purge with oxygen
B.bleed off all stored energy from the accumulators completely
C.charge the accumulators to prevent system energy loss
D.pump the hydraulic fluid into the accumulators to prevent fluid loss

4.單項選擇題The ability of lubricating oils to resist viscosity changes during temperature changes is indicated by the()

A.American Petroleum
B.Institute number viscosity index number
C.Seconds Saybolt Furol number
D.Seconds Saybolt Universal number

5.單項選擇題The in the steering gear move the rudder to the required angel()

A.control equipment
B.power unit
C.transmission mechanisms
D.fittings and pipeline