單項選擇題The (), cage rotor induction motor is the first choice marine motor in most modern ships because of its electrical and mechanical simplicity.

A.single phase
B.two phase
C.three phase
D.four phase


您可能感興趣的試卷

你可能感興趣的試題

4.單項選擇題In a modern three-phase A-Csynchronous brushless generator, the excitation winding is on the rotorThat means ().

A.The generator needs not excitation
B.The winding on the rotor is for inputting excitation current
C.There are three phase windings on the rotor
D.The generator has brushes

5.單項選擇題Ammeter is to measure the ().

A.current
B.voltage
C.power
D.frequency