Electrical Engineering MCQs for competitive tests, job tests, university exams are provided on various Electrical and Electronics topics.
Electrical Engineering MCQs on Power Generation In case of regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating Correct answer: 2. Increases with increase in Rankine cycle efficiency
Electrical Engineering MCQs on Power System Protection If fault occurs near the impedance relay, the VII ratio will be If fault occurs near the impedance relay, the VII ratio will be Correct answer: 3. Lower than that of if fault occurs away from the relay When a transmission line is energized, the wave that propagates … Read more
Electrical Engineering MCQs on Power System Protection A differential relay measures vector difference between A differential relay measures vector difference between Correct answer: 2. Two or more similar electrical quantities Protective relays are devices that detect abnormal conditions in electrical circuits by assessing Protective relays are devices that detect abnormal conditions in electrical circuits by … Read more
Electrical Engineering MCQ on Power System Protection Arc in a circuit behaves as Correct answer: 2. A resistance decreasing with voltage rise across the arc About Circuit breakers Circuit breakers are the “final control elements” of the electric power industry, akin to control valves in the process industries. They are strictly on/off devices, used to … Read more
Electrical Engineering MCQ on Power System Protection Series capacitors are used to Correct answer: 2. Compensate for line inductive reactance
Electrical Engineering MCQ on Power System Protection The circuit breaker used in Railway applications is Correct answer: 1. Air break About Circuit breakers Circuit breakers are the “final control elements” of the electric power industry, akin to control valves in the process industries. They are strictly on/off devices, used to make and break connections under … Read more
Electrical Engineering MCQ on Power System Protection A fuse is connected Correct answer: 3. In series with circuit Explanation: The fuse is a protection element often found in power distribution networks. Also see:
Electrical Engineering MCQ on Power System Protection Thermal circuit breaker has Correct answer: 1. Delayed trip action About Circuit breakers Circuit breakers are the “final control elements” of the electric power industry, akin to control valves in the process industries. They are strictly on/off devices, used to make and break connections under load in power … Read more
Which of the following Is not a part of ball bearing Correct answer: 1. Bush
The load on motor which changes in cyclic order Correct answer: 4. ZxAll of these