Electrical machine MCQs Quizlet (Bank of Solved Questions Answers)
1. One kWh equal____kcal.
A. 863
B. 800
C. 860
D. 816
E. None of these
2. one of the following is used conversion of Scott ___.
A. Single phase to two-phase
B. Three phase to single phase
C. Single phase to three phase
D. None of these
3. In LEDs material used in ______
A. Gallium Arsenide
C. Silicon
D. Silicon and Germanium
E. None of these
4. One of the following is used two consecutive scores in a three-phase transformer.
A. 120 degree
B. 130 degree
C. 140 degree
D. 50 degree
5.______material is not used to make strain gauges.
A. bronze
B. Pure platinum
C. plastic
D. copper
E. None of these
6._____motors used in refrigerators.
A. Capacitor induction
B. Split phase induction
C. Shaded pole induction
D. None of these
7. converts fixed DC input to a variable DC output voltage through____
A. converter
B. chopper
C. Regulator
D. Stabilizer
E. None of these
8. the circulating current should not exceed ____
A. 10% of normal current
B. 70% of normal current
C. 130% of normal current
D. 75% of normal current
9. Response of a linear interpolator is_____pulse
A. triangular
B. Rectangular
C. Linear ramp
D. None of these
10. ______ test is also called as back to backtest.
A. sumpner test
B. radiation test
C. Field test
D. None of these