A.the voltage between two points in a circuit
B.circuit continuity
C.current flow in a circuit
D.total or partial circuit resistance
您可能感興趣的試卷
你可能感興趣的試題
A.increases by the square of the original value
B.increases
C.remains the same
D.decreases
A.connected load
B.prime mover speed
C.field excitation
D.generators rated voltage
A.length increases
B.cross-sectional area increases
C.temperature increases
D.percent of metallic purities increases
A.the sum of the powers used in each load (resistor)
B.divided by the number of loads
C.always less than the power used in the smallest load
D.the sum of the powers used in each individual load never more than the power used in the largest load
A.series with a circuit
B.parallel with a circuit
C.series-parallel with a circuit
D.delta with the shunt
最新試題
To proceed to the assistance of a ship in distress is（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Which of the following items don’t belong to dock repair works?（）
Under MARPOL Code the ship to which it applies has to carry （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Diesel engine air start system check valves are opened by （）