A Best Way To Crack Gorenment Job Exams

Electrical Engineering Objective Questions { Induction Motors }



239.  The starting winding of a single-phase motor is placed in
A. armature
B.(c) rotor is
C.(b) field
D. stator
Discuss in Forum

240.  The speed of a universal motor is usually reduced by using
A. gearing
B. belts
C. brakes
D. chains
Discuss in Forum

241.  In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will
A. become unstable
B. draw excessive armature current and may burn out
C. fall out of synchronism and come to stand still
D. run as induction motor
Discuss in Forum

242.  Which of the following motors would you select for vacuum cleaners?
A. Reluctance motor
B. Universal motor
C. Hysteresis motor
D. Repulsion motor
Discuss in Forum

243.  Which of the following single-phase motors will be cheapest?
A. Reluctance motor
B. Capacitor start motor
C. Capacitor run motor
D. Resistance split phase motor
Discuss in Forum

244.  Which of the following applications would need the smallest size of motor?
A. Table fun
B. Sewing machine
C. Domestic mixi
D. Electric clock
Discuss in Forum

245.  In a shaded-pole motor, rotating magnetic field is produced by using
A. salient poles
B. shading coils
C. copper windings
D. a capacitor
Discuss in Forum

Page 35 of 54

« 33 34  35  3637 »