## UPRVUNL JE Electrical 21-Oct-2021 Previous Year Paper Solution | Morning Shift Junior Engineer

Question 1: In circuit breakers making capacity = _____________ X Symmetrical breaking capacity. a. 2.97b. 1.82c. 2.55d. 4.12 Answer: 2.55 Question 2: Calculate the rectification efficiency of half wave rectifier if input power to rectifier is 150 W and power obtained is 90 W. a. 60%b. 50%c. 40%d. 80% Answer: 60% Question 3: Which of … Read more