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MGVCL Exam Paper (30-07-2021 Shift 2)

MGVCL Exam Paper (30-07-2021 Shift 2)
If all the devices are connected to a central hub, then the topology is called

Tree Topology
Star Topology
Tree Topology
Bus Topology

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MGVCL Exam Paper (30-07-2021 Shift 2)
In transformer, bushing failure occurs due to
(i) transformer vibrations
(ii) dielectric losses
(ii) partial discharge

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
The relation between electric intensity E, voltage applied V and the distance d between the plates of a parallel plate condenser is

E = V/d
E = V x d
E = V/(d)²
E = Vx(d)²

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The relation between electric intensity E, voltage applied V and the distance d between the plates of a parallel plate condenser is given by:
V = E*L
E = V/L

MGVCL Exam Paper (30-07-2021 Shift 2)
A THHN conductor will have a 60˚C termination on one end and a 75˚C termination on the other, which ampacity column will be used?

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

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Conductor with higher temperature ratings, provide the ampacity is determined based on the 60°C ampacity of the conductor.

MGVCL Exam Paper (30-07-2021 Shift 2)
Who started the daily newspaper 'National Herald' in 1938?

Subhas Chandra Bose
Dadabhai Naoroji
Jawaharlal Nehru
Ram Mohan Roy

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MGVCL Exam Paper (30-07-2021 Shift 2)
The single line diagram of the simple power system is shown in figure the corresponding reactance diagram is

C
A
D
B

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Simple logic of reactance diagram is that simplified equivalent circuit of power system in which the various components of power system are represented by their reactances.
The reactance diagram can be obtained from impedance diagram if all the resistive components are neglected.

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