Electrical Engineering MCQs for competitive tests, job tests, university exams are provided on various Electrical and Electronics topics.
Electrical Engineering MCQs on Power Transmission The current carrying capacity of cables in DC is more than that in AC primarily because of Correct answer: 4. Smaller dielectric loss
Electrical Engineering MCQs on Power Transmission In a cable, the maximum stress under operating conditions is at Correct answer: 2. Conductor surface
Electrical Engineering MCQs on Power Transmission Pressure cables are usually not used beyond Pressure cables are usually not used beyond Correct answer: 4. 66 kV The relative permittivity of rubber is The relative permittivity of rubber is Correct answer: 2. Between 2 and 3 Polyethylene has poor dielectric and ageing properties Polyethylene has poor dielectric … Read more
Electrical Engineering MCQs on Power Transmission In capacitance grading of cables which of following is used In capacitance grading of cables which of following is used Correct answer: 1. Composite dielectric In single core cables armouring is not done to In single core cables armouring is not done to Correct answer: 1. Avoid excessive sheath … Read more
Electrical Engineering MCQs on Power Transmission Breakdown voltage of a cable depends on which of following Correct answer: 4. All of these
Electrical Engineering MCQs on Power Transmission The abbreviation PVC stands for Correct answer: 1. Polyvinyl chloride
Electrical Engineering MCQs on Power Transmission In capacitance grading a homogeneous dielectric is used Correct answer: 1. FALSE
Electrical Engineering MCQs on Power Transmission In congested areas where excavation is expensive and inconvenient, the ‘draw in system’ of cable laying for underground cables is adopted Correct answer: 2. TRUE
Electrical Engineering MCQs on Power Transmission The insulation of cable decreases with Correct answer: 2. Increase in length of the insulation
Electrical Engineering MCQ on Transformer Auto-transformer makes effective saving on copper and copper losses if its transformation ratio is Auto-transformer makes effective saving on copper and copper losses if its transformation ratio is Correct answer: 1. Approximately equal to one The no-load current drawn by transformer is generally what percentage of the full-load current The no-load current … Read more