A.varying the DC exciter voltage
B.varying the reluctance of the air gap
C.regulating the speed of the prime mover
D.shorting out part of the armature windings
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A.a rheostat
B.a balancing coil
C.changing field excitation
D.adjusting the governor settings
A.32~5 amps
B.25 amps
C.1~5 amps
D.30 amps
A.the rudder angle indicator reading
B.the desired rudder angle reading
C.the measured rudder angle reading
D.the intended rudder angle reading
A.the rudder should be moved through its full extent
B.the rudder should be moved in starboard direction
C.the rudder should be moved with the ship at maximum speed
D.the rudder should be moved with the ship at minimu
A.Both the main steering gear and the auxiliary steering gear should be operated
B.The alarms fitted to the remote control system should be operated
C.The emergency generator compartment should be checked
D.The communication system between the bridge and the steering gear compartment should be operated
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最新試題
Under MARPOL Code the ship to which it applies has to carry ()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
Diesel engine air start system check valves are opened by ()
Flame failure in an automatically fired auxiliary boiler can from a/an ()
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The cetane rating of diesel fuel is an indication of the ()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.