A Best Way To Crack Gorenment Job Exams

Electrical Engineering Objective Questions { Induction Motors }

295.  In a servosystem, the voltage induced in the rotor of a control transformer is the
A. driving voltage
B. error voltage
C. quadrature voltage
D. opposing voltage
Discuss in Forum

296.  An amplidyne is actually
A. a dc amplifier
B. an ac amplifier
C. an induction motor
D. a 3-phase generator
Discuss in Forum

297.  Which of the following motor is popularly used in driving a refrigerator?
A. dc shunt motor
B. universal motor
C. plain cage induction motor
D. required cage induction motor
Discuss in Forum

298.  Which of the following motor is popularly used in driving tape recorders?
A. hysteresis motor
B. synchronous motor
C. induction motor
D. universal motor
Discuss in Forum

299.  For domestic sewing machine, the size of motor required is
A. 10-30 watts
B. 30-60 watts
C. 100-150 watts
D. 250-500 watts
Discuss in Forum

300. Single phase ac motor generally used for vacuum cleaners is
A. universal motor
B. repulsion motor
C. hysteresis motor
D. reluctance motor
Discuss in Forum

301.  Under normal operating condition which of the following motors can run at 5000 rpm?
A. Synchronous motor
B. Induction motor
C. Universal motor
D. Repulsion motor
Discuss in Forum

Page 43 of 54

« 41 42  43  4445 »