- (A) Windage loss
- (B) Copper losses
- (C) Any of the above
- (D) None of the above
Electrical Engineering Mcqs
- (A) high excitation only
- (B) low excitation only
- (C) both high and low excitation
- (D) none of the above
- (A) number of poles
- (B) flux density
- (C) rotor speed
- (D) rotor excitation
- (E) none of the above
- (A) zero
- (B) unity
- (C) lagging
- (D) leading
- (A) reduce noise level
- (B) reduce the eddy currents
- (C) provide starting torque only
- (D) prevent hunting and provide the starting torque
- (E) none of the above
- (A) the motor is said to be fully loaded
- (B) the torque generated is maximum
- (C) the excitation is said to be zero per cent
- (D) the excitation is said to be hundred per cent
- (A) when under loaded
- (B) while over-excited
- (C) only at synchronous speed
- (D) below or above synchronous speed
- (A) the rotor excitation only
- (B) the supply voltage only
- (C) the rotor excitation and supply volt-age both
- (D) the rotor excitation, supply voltage and maximum value of coupling angle (90°)
- (E) none of the above
- (A) directly proportional to the square of the applied voltage
- (B) directly proportional to applied voltage
- (C) inversely proportional to applied voltage
- (D) none of the above
- (A) static condenser
- (B) condenser
- (C) synchronous condenser
- (D) none of the above
