MGVCL EXAM PAPER (30-07-2021 SHIFT 2) QUIZ

27 V

38 V

47 V

18 V

0.72

0.82

0.62

0.52

lagging

zero

unity

leading

Muppandal

Mundra

Vindhayachal

Talcher

A = (i) & (3)

B = (ii) & (1)

C = (ii) & (1)

A = (iii) & (2)

W1 = 10 kW and W2 = 20 kW

W1 = -10 kW and W2 = 40 kW

W1 = 5 kW and W2 = 25 kW

W1 = -5 kW and W2 = 35 kW

3 × 10⁸ m/s

27 × 10⁸ m/s

1 × 10⁸ m/s

9 × 10⁸ m/s

225 W

300 W

250 W

275 W

limit the main CT secondary current

increase the sensitivity of the relay

match the standard ratio of CTs used on both sides of the transformer winding

minimize the effect of saturation of the main CTs

Thermopile

Thermistor

Thermometer

None of these