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Electrical Engineering Questions with Answer

Question No. 1. In a control system integral error compensation _______ steady state error (a) increases (b) minimizes (c) does not have any effect on (d) any of the above Ans: b Question No. 2.  If the field circuits of an unloaded salient pole synchronous motor gets suddenly open circuited, then  (A) The motor stops.  (B) It continues to run at the same speed.  (C) Its runs at the slower speed.  (D) It runs at a very high speed. Ans: B Question No. 3. Two holes in the disc of energymeter are drilled at the opposite sides of the spindle to (a) improve its ventilation (b) eliminate creeping at no load (c) increase its deflecting torque (d) increase its braking tcrque Ans: b Question No. 4. In a stable control system saturation can cause which of the following ? (a) Low-level oscillations (b) High-level oscillations (c) Conditional stability (d) Overdamping Ans: a https://engineering-questions.blogspot.com Question No. 5. Instrument transformers are