Electrical Engineering MCQs for competitive tests, job tests, university exams are provided on various Electrical and Electronics topics.
Electrical Engineering MCQ on Transformer The changes in volume of transformer cooling oil because of variation of atmospheric temperature during day and night is taken care of by XYZ of transformer. Here XYZ implies Correct answer: 4. Conservator
Electrical Engineering MCQ on Transformer In case of a transformer, operating at constant load current, maximum efficiency will occur at Correct answer: 3. Unity power factor
Electrical Engineering MCQ on Transformer If the transformers working in parallel are not connected with regard to polarity, then Correct answer: 1. Incorrect polarity will result in dead short circuit
Electrical Engineering MCQ on Transformer The no-load test is performed on a transformer to find Correct answer: 4. Magnetising current and loss
Electrical Engineering MCQ on Transformer If percentage impedances of the two transformers that are working in parallel are different, then Correct answer: 2. Parallel operation will still be possible, but the power factors at which the two transformers operate will be different from the power factor of the common load
Electrical Engineering MCQs on Power Transmission For which of the following equipment current rating is not essential For which of the following equipment current rating is not essential Correct answer: 3. Isolators Which of the below mentioned are constants of the transmission lines Which of the below mentioned are constants of the transmission lines Correct answer: 4. … Read more
Electrical Engineering MCQs on Power Transmission Which of the below mentioned is generally not the generating voltage Which of the below mentioned is generally not the generating voltage Correct answer: 4. 8.8 kV The operating voltage of extra high tension cables is up to The operating voltage of extra high tension cables is up to Correct answer: … Read more
Electrical Engineering MCQs on Power Transmission The steel used in steel cored conductors is generally Correct answer: 3. Mild steel
Electrical Engineering MCQs on Power Transmission Which of the following is not a component for making porcelain insulators Correct answer: 4. Silica
Electrical Engineering MCQs on Power Transmission Electromechanical voltage regulators are usually employed in Correct answer: 1. Generators