A.loss of field excitation
B.total loss of load
C.large increase in load
D.loss of steam pressure
您可能感興趣的試卷
你可能感興趣的試題
A.temperature rise
B.input kilowatts
C.horsepower
D.operating voltage
A.When it is a DC machine
B.When it is an AC machine
C.Any machine that operates on over 100 volts
D.Only when working on wet steel plates
A.the speed of the alternators
B.the field strength of the machines
C.the power factor of the alternators
D.steam supply to the prime movers
A.change AC to DCcurrent
B.change DC to AC current
C.neutralize a armature reaction
D.carry current to the outside circuit
A.they are used
B.the field windings are connected to the load
C.the armature circuit is connected to the load
D.the field windings are connected to the armature circuit
最新試題
The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
The main purpose of port State control is not to()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
The ISPS Code consists of a mandatory section-Part A, which shows()
To proceed to the assistance of a ship in distress is()
Using a file without a handle may result in ()
The shipboard oil pollution emergency plan will be invalid after ()
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()