Top 250+ Solved Control of Electric Drives MCQ Questions Answer

a. Elevators

b. Rolling Mills

c. Fan load

d. Separately excited dc generator connected to the resistive load

a. Load torque > Motor torque

b. Load torque <<<< Motor torque

c. Load torque = Motor torque

d. Load torque < Motor torque

a. J*d(w)/dt = Load torque – Motor torque

b. J*d(w)/dt = Load torque + Motor torque

c. J*d(w)/dt = Motor torque – Load torque

d. J*d(w)/dt = Load torque * Motor torque

a. Discontinuous and Continuous

b. Continuous and Discontinuous

c. Both continuous

d. Both discontinuous

a. DC equivalent of AC switching device

b. DC equivalent of AC transformer

c. DC equivalent of AC relay

d. AC equivalent of circuit breaker

a. increases by 20%

b. decreases by 20%

c. increases only 20%

d. remains the same

a. Straight line

b. Rectangular hyperbola

c. Parabola

d. Exponential decaying functions

a. MOSFET

b. BJT

c. IGBT

d. TRIAC

a. True

b. False

c. none

d. all

a. GTO

b. BJT

c. MOSFET

d. TRIAC

a. Pulsating loads

b. Short time loads

c. Impact loads

d. Short time intermittent loads

a. Speed

b. Seebeck eect

c. Hall eect

d. Thomson eect

a. True

b. False

c. none

d. all

a. I, III, II, IV

b. I, II, III, IV

c. III, I, II, IV

d. III, II, IV, I

a. GTO

b. MOSFET

c. TRIAC

d. Thyristor