Engineering Mechanics > EXAM > CPE 101 QUESTIONS WITH ANSWERS AND EXPLANATION 2023 LATEST (All)

CPE 101 QUESTIONS WITH ANSWERS AND EXPLANATION 2023 LATEST

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CPE 101 QUESTIONS WITH ANSWERS AND EXPLANATION 2023 LATEST 1. In a dual converter both converters work as rectifiers. A. True B. False Answer & Explanation Answer: Option B Explanation: On ... e operators as rectifier and the other as inverter. View Answer Workspace Report Discuss in Forum 2. A single phase full wave regulator feeds R-L load. The best gating signal is A. short duration pulses B. long duration pulses C. pulse train D. either (a) or (b) Answer & Explanation Answer: Option C Explanation: To ensure proper triggering pulse train in necessary because load is R - L. View Answer Workspace Report Discuss in Forum 3. A 3 phase induction motor is fed by a 3 phase ac regulator to change the stator voltage. The variation in speed will be more if A. load torque is constant B. load torque increases with increase in speed C. load torque decreases with increase in speed D. either (a) or (b) Answer & Explanation Answer: Option B Explanation: If load torque is constant, the change in speed is very small. View Answer Workspace Report Discuss in Forum 4. A cycloconverter cannot give a frequency higher than input frequency. A. True B. False Answer & Explanation Answer: Option B Explanation: Step up cycloconverter can give a frequency higher than input frequency. View Answer Workspace Report Discuss in Forum 5. A thyristor has internal power dissipation of 40W and is operated at an ambient temperature of 20°C. If thermal resistance is 1.6° C/W, the junction temperature is A. 114°C B. 164°C [Show More]

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