Electrical Engineering MCQs for competitive tests, job tests, university exams are provided on various Electrical and Electronics topics.
Power Generation MCQs Part 19 A base load power plant has capacity of 18 MW. The annual output of power plant is 101.35 * 10^6 kWh. The annual load factor of station is A base load power plant has capacity of 18 MW. The annual output of power plant is 101.35 * 10^6 kWh. The … Read more
Power Generation MCQs Part 18 Nuclear reactors utilize the process of Nuclear reactors utilize the process of: Fission Fusion Both of these None of these Correct answer: 1. Fission A diesel station supplies following loads to various consumers A diesel station supplies following loads to various consumers: Industrial consumers = 2000 Domestic power = 150 … Read more
Power Generation MCQs Part 17 A hydroelectric power station has catchment area of 4.5 * 10^8 m². The average rainfall per annum in this area is 130 cm. Assuming that 35% of rainfall is lost due to evaporation, the availability of water is A hydroelectric power station has catchment area of 4.5 * 10^8 m². … Read more
Power Generation MCQs Part 16 The cheapest power plant in terms of operation and maintenance is The cheapest power plant in terms of operation and maintenance is: Diesel power plant Hydroelectric power plant Nuclear power plant Steam power plant Correct answer: 2. Hydroelectric power plant Mechanical energy is supplied to a DC generator at rate … Read more
Power Generations MCQs Part 15 To supply base load of power plant, which of the following powerplant is very suitable To supply base load of power plant, which of the following powerplant is very suitable: Diesel Nuclear Gas None of these Correct answer: 2. Nuclear Explanation: Base load power plants deliver full power at all … Read more
Power Generation MCQs Part 14 Overall efficiency of a steam power station is given by Overall efficiency of a steam power station is given by: Overall efficiency = Thermal Efficiency * Electrical efficiency Overall efficiency = Thermal Efficiency * Mechanical efficiency Overall efficiency = Thermal Efficiency * Prime mover efficiency None of these Correct answer: … Read more
Transformer MCQ Part 22 At very low frequencies transformer operates poorly, since At very low frequencies transformer operates poorly, since: Primary reactance is very high Permeability of core is increased Magnetizing current is abnormally high None of these Correct answer: 3. Magnetizing current is abnormally high The primary and secondary winding of transformers are wound … Read more
Transformer MCQs Part 21 Three types of losses in a transformer are Three types of losses in a transformer are Copper losses Hysteresis losses Eddy current losses The constant power loss in a transformer is: a only a and c only b and c only All a, b, and c Correct answer: 3. b and … Read more
Transformer MCQs Part 20 Which of following is major reason of occurrence of leakage flux in transformer Which of following is major reason of occurrence of leakage flux in transformer: Air is not a good magnetic insulator The input voltage is sinusoidal in nature Iron core has high permeability None of these Correct answer: 1. … Read more
Basic Electrical Engineering MCQs Part 17 If potential difference across conductor of material having resistivity ρ remains constant, then heat produced is proportional to: If potential difference across conductor of material having resistivity ρ remains constant, then heat produced is proportional to: 1/ρ Ρ ρ² 1/√ρ Correct answer: 1. 1/ρ Once the kettle is switched … Read more