A.result in decreased acceleration time only
B.lower the starting current and increase accelerating time
C.cause a greater starting torque
D.increase the starting current and pump capacity
您可能感興趣的試卷
你可能感興趣的試題
A.adding rubber insulation conductors to the circuit
B.using higher current and lower voltage increasing the
C.number of thermal relays in the circuit
D.using higher voltage and lower current
A.Armature and equalizer
B.Commutator and brushes
C.Rotor and interpoles
D.Field and exciter
A.Voltage
B.Current
C.Resistance
D.Inductance
A.increase in resistance with increased temperature
B.increase in resistance with decreased temperature
C.decrease in resistance with increased temperature
D.increase in conductance with increased temperature
A.trap
B.regulating valve
C.check valve
D.filter
最新試題
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
The main purpose of port State control is not to()
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
Diesel engine air start system check valves are opened by ()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()
() is not installed on the main switchboar.