Electrical Engineering Mcqs

Electrical Engineering MCQs on Synchronous Generator The stator of an alternator rarely employs Correct answer: 1. Closed type slots

Synchronous Generator MCQs Part 14 Armature windings of an alternator are generally Armature windings of an alternator are generally Correct answer: 1. Open windings If the excitation to an alternator connected to an infinite busbar is changed If the excitation to an alternator connected to an infinite busbar is changed while keeping the power input … Read more

Electrical Engineering MCQs on Electrical Power Transmission MCQs Part 23 Phase shift occurs due to which of the following components Phase shift occurs due to which of the following components: Correct answer: 3. Both of these Explanation: Phase shift constant is denoted using Greek alphabet Beta symbol β. The phase shift occurs due to inductance … Read more

5 undesirable properties associated with DC tachometers: Also see: Top 5 advantages of DC Tachometers See below: Working of DC tachometer generator

Electrical Engineering MCQ on SCR Number of semiconductor layers on SCR are Correct answer: 3. Four Explanation: The number of semiconductor layers on SCR are Four. Shockley diodes are curious devices, but rather limited in application. Their usefulness may be expanded, however, by equipping them with another means of latching. In doing so, each becomes true amplifying devices … Read more

Electrical Engineering MCQ on SCR An SCR can exercise control over ___________ of AC supply: Correct answer: 4. Positive or negative half-cycles

Electrical Engineering MCQ on Transformer The function of a breather in a transformer is to: Correct answer: 4. Stop moisture See below details of breather in transformer:

Electrical Engineering MCQs on Transformer The major advantage of an auto-transformer over a two-winding transformer is: Correct answer: 4. Saving in winding material

Electrical Engineering MCQs on Transformer The primary winding of a transformer: Correct answer: 3. Either of above Explanation: Depending on type of transformer (step up or step down a the primary winding of transformer can either be high voltage or low voltage). See More MCQs on Transformer:

Electrical Engineering MCQs on Transformer Part 31 – Transformers Multiple Choice Questions The transformer insulation material that is best compared to Kraft paper The transformer insulation material that is best compared to Kraft paper: Correct answer: 4. Oil Insulation of HVDC transformers should be Insulation of HVDC transformers should be: Correct answer: 1. Dry always … Read more