If all the devices are connected to a central hub, then the topology is called

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

Star Topology

Tree Topology

Bus Topology

Star Topology

Tree Topology

Bus Topology

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MGVCL Exam Paper (30-07-2021 Shift 2)
The magnitude of the generator earth-fault current is limited by

inserting the stabilizing resistance in series with the relay

using higher rating CTs

controlling field exciter

inserting suitable resistance in neutral grounding circuit

inserting the stabilizing resistance in series with the relay

using higher rating CTs

controlling field exciter

inserting suitable resistance in neutral grounding circuit

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MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

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

limit the main CT secondary current

increase the sensitivity of the relay

minimize the effect of saturation of the main CTs

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

limit the main CT secondary current

increase the sensitivity of the relay

minimize the effect of saturation of the main CTs

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MGVCL Exam Paper (30-07-2021 Shift 2)
The expression for voltage regulation of a short transmission line for leading power factor is given by: ____, where, 'I' is the line current, 'V_r' is the receiving end voltage, 'R' is the line resitance and 'X' is the line reactance.

(IXcosφ_r - IRsinφ_r)/V_r

(IRcosφ_r - IXsinφ_r)/V_r

(IXcosφ_r + IRsinφ_r)/V_r

(IRcosφ_r + IXsinφ_r)/V_r

(IXcosφ_r - IRsinφ_r)/V_r

(IRcosφ_r - IXsinφ_r)/V_r

(IXcosφ_r + IRsinφ_r)/V_r

(IRcosφ_r + IXsinφ_r)/V_r

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MGVCL Exam Paper (30-07-2021 Shift 2)
Fill in the blanks with suitable Preposition from the given alternatives.
England skipper Joe Root is excited to bat ____ number three in the Ashes cricket series

on

in

over

at

on

in

over

at

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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

(i) and (ii) only

(ii) and (iii) only

(i) and (iii) only

(i), (ii) and (iii)

(i) and (ii) only

(ii) and (iii) only

(i) and (iii) only

(i), (ii) and (iii)

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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

MGVCL Exam Paper (30-07-2021 Shift 2) The magnitude of the generator earth-fault current is limited by

MGVCL Exam Paper (30-07-2021 Shift 2) Interposing current-transformer (CT) is used in differential protection of a transformer to

MGVCL Exam Paper (30-07-2021 Shift 2) The expression for voltage regulation of a short transmission line for leading power factor is given by: ____, where, 'I' is the line current, 'V_r' is the receiving end voltage, 'R' is the line resitance and 'X' is the line reactance.

MGVCL Exam Paper (30-07-2021 Shift 2) Fill in the blanks with suitable Preposition from the given alternatives.England skipper Joe Root is excited to bat ____ number three in the Ashes cricket series

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)
If all the devices are connected to a central hub, then the topology is called

MGVCL Exam Paper (30-07-2021 Shift 2)
The magnitude of the generator earth-fault current is limited by

MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

MGVCL Exam Paper (30-07-2021 Shift 2)
The expression for voltage regulation of a short transmission line for leading power factor is given by: ____, where, 'I' is the line current, 'V_r' is the receiving end voltage, 'R' is the line resitance and 'X' is the line reactance.

MGVCL Exam Paper (30-07-2021 Shift 2)
Fill in the blanks with suitable Preposition from the given alternatives.
England skipper Joe Root is excited to bat ____ number three in the Ashes cricket series

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