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ELECTRICAL ENGINEERING QUESTION ANSWERS

Question #1. A closed loop system is distinguished from open loop system by which of the following ? (a) Servomechanism (b) Feedback (c) Output pattern (d) Input pattern Ans: (b) Feedback Question #2. Which of the following can be measured byLVDT? (a) Displacement (b) Velocity (c) Acceleration (d) Any of the above Ans: (d) Any of the aboveQuestion #3. The transient response, with feedback system, (a) decays quickly (b) rises quickly (c) decays slowly (d) rises slowly Ans: (a) decays quickly Question #4. Which of the following is the definition of proportional band of a controller ? (a) The range of air output as measured variable varies from maximum to minimum (b) The range of measured variables from set value (c) The range of measured variables through which the air output chan¬ges from maximum to minimum (d) Any of the above (e) None of the above Ans: c Question #5. The position and velocity errors of a type-2 system are (a) constant, constant (b) con

ELECTRICAL ENGINEERING QUESTIONS WITH ANSWER

1. Which of the following is not a vector ? (a) Linear momentum (b) Electric potential (c) Electric field (d) Angular momentum Answer: (d) Angular momentum 2. The efficiency of a machine should be as ______ as possible to reduce the operating cost. (a) high (b) low (c) either of the above (d) none of the above Answer:(a) high 3. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be (a) 60 N (b) 40 N