Electrical Engineering MCQs on DC Motor MCQs Part 2 A DC series motor is one that A DC series motor is one that Correct answer: 4. Has field winding consisting of thick wire and less turns The ratio of starting torque to full-load torque is smallest in case of The ratio of starting torque to … Read more
Electrical Engineering MCQs on DC Motor MCQs Part 1 In case the back EMF and the speed of a DC motor are doubled, torque developed by the motor will In case the back EMF and the speed of a DC motor are doubled, torque developed by the motor will Correct answer: 4. Remain unchanged The … Read more
The minimum clearance between the ground and a 220 kV line is around 10.6 m 4.1 m 5.7 m 7.0 m Correct answer: 4. 7.0 m Visit Electrical Engineering MCQ here for more
A feeder, in a transmission system, feeds power to Distributors Generating stations Service mains All of above Correct answer: 1. Distributors Visit Electrical Engineering MCQ here for more
Galvanized steel wire is usually employed as Earth wire Stay wire Structural components All of above Correct answer: 4. All of above Visit Electrical Engineering MCQ here for more
The following system is not usually employed in practice 1-phase 3-wire 1-phase 4-wire 3-phase 3-wire 3-phase 4-wire Correct answer: 1. 1-phase 3-wire Visit Electrical Engineering MCQ here for more
Value of time constant of a capacitive circuit Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increases with the increase of capacitance and decrease of resistance Correct answer: 1. Increase with increase of capacitance … Read more
If resistance is 20 ohms and inductance is 27 in a RL series circuit, then time constant of this circuit will be 0.001 s 0.1 s 10 s 100 s Correct answer: 2. 0.1 s Visit Electrical Engineering MCQ here for more
The frequency of an alternating current is defined as The number of cycles generated in one minute The number of electrons passing through a point in one second The number of waves passing through a point in one second The speed with which the alternator runs Correct answer: 3. The number of waves passing through … Read more
The apparent power drawn by an AC circuit is 10 kVA while active power is 8 kW. The reactive power in the circuit is 16 kVAR 4 kVAR 6 kVAR 8 kVAR Correct answer: 3. 6 kVAR Visit Electrical Engineering MCQ here for more