Electrical Engineering MCQs for competitive tests, job tests, university exams are provided on various Electrical and Electronics topics.
Single Phase Induction Motor MCQs Part 2 In capacitor start, capacitor run motor which winding is cut out after starting In capacitor start, capacitor run motor which winding is cut out after starting: Correct answer: 4. None of these A vacuum cleaner employ which of following motors A vacuum cleaner employ which of following motors: … Read more
Transformer MCQs Part 25 For large-sized transformers, the cores are built up to nearly circular cross-section, this is done in order to reduce For large-sized transformers, the cores are built up to nearly circular cross-section, this is done in order to reduce: Correct answer: 2. Copper losses Explanation: In case of large sized transformers the … Read more
Power System Protection MCQs Part 20 Overvoltage surges in a power system may be caused by Overvoltage surges in a power system may be caused by: Correct answer: 4. All of these Merz-price protection is employed for protection of Merz-price protection is employed for protection of: Correct answer: 3. Both of these Which of following … Read more
Power System Protection MCQs Part 19 The least expensive protection for low voltage power system is The least expensive protection for low voltage power system is: Correct answer: 1. Fuse Also read: Low vs Medium vs High vs EHV vs UHV Voltage Ranges The grounds wires are located The grounds wires are located: Correct answer: … Read more
The fusing factor of Class Q2 LV fuses is: Correct answer: 3. 1.5 – 1.75 See Mathematical formula for Fusing Factor Also see 4 Types of Fuses on basis of Fusing Factor Read all Electrical Engineering MCQs on Power System Protection here
The fusing factor of Class R LV fuses is: Correct answer: 4. 1.75 – 2.5 See Mathematical formula for Fusing Factor Also see 4 Types of Fuses on basis of Fusing Factor Read all Electrical Engineering MCQs on Power System Protection here
The fusing factor of Class P LV fuses is: Correct answer: 1. 1.25 or less Explanation: Fusing factor is the ratio of minimum fusing current to the current rating of the fusing element. See Mathematical formula for Fusing Factor Also see 4 Types of Fuses on basis of Fusing Factor Read all Electrical Engineering MCQs … Read more
Electrical Power Generation MCQs Part 34. See Complete List of Power Generation MCQs here The running cost of power plant is based on cost of The running cost of power plant is based on cost of: Correct answer: 4. All of these Also See: 5000+ MCQs in Electrical Engineering Large capacity generators are invariably Large … Read more
Work, Energy, and Power MCQs. The SI unit of electrical energy is The SI unit of electrical energy is: Correct answer: 3. Kilowatt-hour (kWh) Explanation: The unit of electrical energy is the kilowatt-hour (kWh). The unit finds its application particularly for utility bills. The utility bills coming to our homes use this unit. One kilowatt-hour … Read more
Snubber circuits are used with thyristors in order to: Correct answer: 2. Limit the rate of rise of voltage dv/dt More MCQs on Power Electronics Explanation: The dv/dt rating of thyristor implies the maximum rate of rise of anode voltage that will not trigger device without any gate signal. A snubber circuit is used in … Read more