In transformer, bushing failure occurs due to<br/>(i) transformer vibrations<br/>(ii) dielectric losses<br/>(ii) partial discharge

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)

(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)
A single phase 240 V, 1 kW heater is connected across single phase 240 V, 50 Hz supply through an SCR. For firing angle delay of 90˚, calculate the power absorbed in the heater element.

250 W

225 W

275 W

300 W

250 W

225 W

275 W

300 W

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

Bus Topology

Tree Topology

Star Topology

Bus Topology

Tree Topology

Star Topology

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MGVCL Exam Paper (30-07-2021 Shift 2)
What is the full form of the acronym 'AIDS' in diseases?

Assert in Dander Syndrome

Acquired Immune Deficiency Syndrome

Acquire in Deficiency Syndrome

Amino Intersect Deficiency Syndrome

Assert in Dander Syndrome

Acquired Immune Deficiency Syndrome

Acquire in Deficiency Syndrome

Amino Intersect Deficiency Syndrome

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following does the term 'feeder automation' include?

substation reactive power control

feeder remote point voltage control

automatic reclosing

All of these

substation reactive power control

feeder remote point voltage control

automatic reclosing

All of these

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MGVCL Exam Paper (30-07-2021 Shift 2)
The miniature circuit breaker (MCB) with Class D trip characteristics trips instantaneously when the current flowing through it reaches ____ the rated current.

between 5 to 10 times

between 3 to 5 times

between 2 to 3 times

between 10 to 20 times

between 5 to 10 times

between 3 to 5 times

between 2 to 3 times

between 10 to 20 times

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

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

MGVCL Exam Paper (30-07-2021 Shift 2) A single phase 240 V, 1 kW heater is connected across single phase 240 V, 50 Hz supply through an SCR. For firing angle delay of 90˚, calculate the power absorbed in the heater element.

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

MGVCL Exam Paper (30-07-2021 Shift 2) What is the full form of the acronym 'AIDS' in diseases?

MGVCL Exam Paper (30-07-2021 Shift 2) Which of the following does the term 'feeder automation' include?

MGVCL Exam Paper (30-07-2021 Shift 2) The miniature circuit breaker (MCB) with Class D trip characteristics trips instantaneously when the current flowing through it reaches ____ the rated current.

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

MGVCL Exam Paper (30-07-2021 Shift 2)
A single phase 240 V, 1 kW heater is connected across single phase 240 V, 50 Hz supply through an SCR. For firing angle delay of 90˚, calculate the power absorbed in the heater element.

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

MGVCL Exam Paper (30-07-2021 Shift 2)
What is the full form of the acronym 'AIDS' in diseases?

MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following does the term 'feeder automation' include?

MGVCL Exam Paper (30-07-2021 Shift 2)
The miniature circuit breaker (MCB) with Class D trip characteristics trips instantaneously when the current flowing through it reaches ____ the rated current.