Top 250+ Solved Control of Electric Drives MCQ Questions Answer

a. Starting characteristics

b. Operating speed

c. Horse power

d. Speed control

a. Synchronous motor

b. Schrage motor

c. Induction motor

d. Universal motor

a. less than running torque

b. same as running torque

c. slightly more than running torque

d. double the running torque

a. Single phase motors

b. Squirrel cage induction motors

c. Slip ring induction motors

d. D.C. motors

a. Inner race

b. Outer race

c. Cage

d. Bush

a. Flux

b. Armature current

c. Flux and armature current

d. Speed

a. ball or roller

b. needle

c. bush

d. thrust

a. High efficiency operation

b. Reversibility

c. Variable speed drive

d. High starting torque

a. synchronous motors are preferred

b. A.C. motors are preferred

c. individual drive is preferred

d. group drive is preferred

a. is provided with slip rings

b. requires starting gear

c. has high cost

d. is compact

a. dc motors

b. slip ring induction motors

c. squirrel cage induction motors

d. single phase motors.

a. starting torque is almost zero

b. starting torque and running torque are nearly equal

c. starting torque is more than double of the running torque.

d. all

a. slip ring induction motor

b. three phase shunt wound commutator motor

c. cascade controlled ac motor

d. any of the above.

a. zero starting torque

b. low starting torque

c. medium starting torque

d. high starting torque.

a. squirrel cage motors with direct-on-line starters are used

b. single phase induction motors are used

c. dc shunt motors are used

d. induction motors with star-delta starters are use