A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is____________________?
A. slop speed operation
B. high starting torque
C. low windage losses
D. all of the above
A. slop speed operation
B. high starting torque
C. low windage losses
D. all of the above
A. Silicon diodes
B. Mercury arc rectifier
C. Motor generator set
D. Any of the above
By the use of which of the following m D.C. can be obtained from AC. ? Read More »
Electrical Engineering Mcqs, Industrial Drives A. ore handling plants
B. steel plants
C. heavy engineering workshops
D. all of the above
Heavy duty cranes are used in________________? Read More »
Electrical Engineering Mcqs, Industrial Drives A. slip ring motor
B. schrage motor
C. induction motor
D. repulsion motor
In ______________ the speed can be varied by changing the position of brushes? Read More »
Electrical Engineering Mcqs, Industrial Drives A. Synchronous motor
B. Slip ring induction motor
C. Pole changing induction motor
D. Squirrel cage induction motor
For a motor-generator set which of the following motors will be preferred ? Read More »
Electrical Engineering Mcqs, Industrial Drives A. auto-transformer
B. star-delta
C. slip ring
D. any of the above
A. plugging
B. mechanical braking
C. regenerative braking
D. rheostatic braking
Battery operated scooter for braking uses________________? Read More »
Electrical Engineering Mcqs, Industrial Drives A. Exhaust fan
B. Ceiling fan
C. Refrigerator
D. Water pump
In which of the following applications variable speed operation is preferred ? Read More »
Electrical Engineering Mcqs, Industrial Drives A. D.C. shunt motor
B. D.C. series motor
C. Squirrel cage induction motor
D. Slip ring induction motor
_______________has the least value of starting torque to full load torque ratio? Read More »
Electrical Engineering Mcqs, Industrial Drives A. plugging
B. mechanical braking
C. regenerative braking
D. rheostatic braking
Battery operated scooter for braking uses__________________? Read More »
Electrical Engineering Mcqs, Industrial Drives