Synchronous motor questions and answers PDF for Electrical Engineering MCQs. Synchronous motors MCQs with answers for test preparation.
A reluctance motor has _____ magnetic poles ?
A. Non permanent
B. Permanent
C. Both a and b
D. Zero magneticA torque ripple is measured as:
A. Centimeters
B. Newton’s
C. Grams
D. PercentageA torque ripple refers to ______ output torque ?
A. Zero
B. Increase
C. Decrease
D. Both b and cWhich of the following parameter is used for determining motors speed ?
A. Resistance
B. Rotors
C. Supply power
D. LoadA small reluctance type motor has _______ value of torque ?
A. Low
B. Medium
C. High
D. ZeroWhich of the following is power rating of reluctance motor ?
A. 33KW
B. 30KW
C. 22kW
D. 20KWWhich of the following factor is minimized with fewer rotor in reluctance motors ?
A. Distortion
B. Magnetism
C. Torque ripple
D. All the aboveHow many ______ components are there in a non-excited type motor with a reluctance-based design ?
A. Windings
B. Stator
C. Rotor
D. All the aboveA reluctance based design of non excited type motor has fewer________ components ?
A. Rotor
B. Windings
C. Stator
D. All the aboveWhich of the following non-excited type motor designs has casting made completely of steel and toothed poles that project ?
A. Permanent magnet
B. Reluctance
C. Hysteresis
D. All the above