UPPCL JE 2016 Electrical question paper with Explained Solution(Evening Shift)
Ques 1. Which of the following batteries does not require trickle charging?
- Lead-acid cell
- Alkaline cell✔
- Lead-acid and Alkaline cell both
- Neither lead-acid nor alkaline cell
Ques 2. The voltage limit for AC single-phase induction motor is
- 3 kV
- 1.5 kV
- 250 V✔
- 11 kV
Ques 3. In a delta connection, line voltage lags behind phase current by
Ques 4. The efficiency of Sovonious Windmill is about
Ques 5. With increase in temperature, the resistance of semiconductors:-
- Do not change
- May increase or decrease
Ques 6. The ballistic galvanometer is calibrated to measure
Ques 7. ________ is not a method of high resistance interruption of arc extinction.
- Blast effect✔
- Arc lengthening
- Arc constraining
- Arc cooling
Ques 8. Semiconductor strain gauges depend upon _________ for their action.
- Piezoelectric effect
- Piezoresistive effect✔
- Hall’s effect
Ques 9. SCR is a ______ layer ______ junction device.
- Single, Three
- Two, Four
- Three, Four
- Four, Three✔
Ques 10. Which of the following is not a part of Steam Power Plant?
- Ash precipitators
- Draught fan
- Surge Chamber✔