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ELECTRICAL ENGINEERING QUESTION ANSWERS

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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