MGVCL Exam Paper (30-07-2021 Shift 1)
What are the states of the three ideal diodes of the circuit shown in figure ?

D1 OFF, D2 ON, D3 ON
D1 OFF, D2 ON, D3 OFF
D1 ON, D2 OFF, D3 OFF
D1 ON, D2 OFF, D3 ON

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MGVCL Exam Paper (30-07-2021 Shift 1)
Simultaneous tripping of the circuit breaker at both ends of a transmission line is achieved by

overcurrent protection
pilot protection
distance protection
none of these

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MGVCL Exam Paper (30-07-2021 Shift 1)
An RC series circuit with R = 150 Ω and C = 2 μF is excited by a DC source of 15 V by closing the switch at t = 0 with an initially uncharged capacitor. The initial and final voltages across the capacitor respectively are

10 V, 15 V
0 V, 15 V
0 V, 10 V
15 V, 10 V

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MGVCL Exam Paper (30-07-2021 Shift 1)
While selecting the gas for a circuit breaker, the property of gas that should be considered is its
(i) dielectric strength
(ii) non-inflammability
(iii) non-toxicity

(i) and (iii) only
(i), (ii) and (iii)
(i) only
(i) and (ii) only

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MGVCL Exam Paper (30-07-2021 Shift 1)
A THHN conductor will have 75°C termination on one end and a 60/75°C termination on the other, which ampacity column will be used?

60°C column
75°C column
90°C column
None of these

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