Reactance relay is used to protect against

DGVCL Exam Paper (11-12-2011)
Reactance relay is used to protect against

Both phase and earth faults

Over voltage faults

Phase faults only

Earth faults only

Both phase and earth faults

Over voltage faults

Phase faults only

Earth faults only

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DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

It can be started with the help of rotor resistances

It is suitable for higher speeds

It's power factor is higher

It has a higher efficiency

It can be started with the help of rotor resistances

It is suitable for higher speeds

It's power factor is higher

It has a higher efficiency

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DGVCL Exam Paper (11-12-2011)
Rated making capacity of a ciruit breaker is equal to

1.11 X rated symmetrical breaking capacity

2.55 X rated symmetrical breaking capacity

Rated symmetrical breaking capacity

√2 X rated symmetrical breaking capacity

1.11 X rated symmetrical breaking capacity

2.55 X rated symmetrical breaking capacity

Rated symmetrical breaking capacity

√2 X rated symmetrical breaking capacity

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DGVCL Exam Paper (11-12-2011)
In a power plant, a reserve generating capacity which is not in service but is in operation is known as

Spinning reserve

Firm power

Cold reserve

Hot reserve

Spinning reserve

Firm power

Cold reserve

Hot reserve

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DGVCL Exam Paper (11-12-2011)
First zone distance relay protects the transmission line section upto

Its full length

50 % of its full length

80 % of its full length

25 % of its full length

Its full length

50 % of its full length

80 % of its full length

25 % of its full length

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Capacitor start capacitor run motor

Universal motor

Split phase motor

Capacitor start motor

Capacitor start capacitor run motor

Universal motor

Split phase motor

Capacitor start motor

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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) Reactance relay is used to protect against

DGVCL Exam Paper (11-12-2011) The advantage of slipring induction motor over the squirrel cage induction motor is

DGVCL Exam Paper (11-12-2011) Rated making capacity of a ciruit breaker is equal to

DGVCL Exam Paper (11-12-2011) In a power plant, a reserve generating capacity which is not in service but is in operation is known as

DGVCL Exam Paper (11-12-2011) First zone distance relay protects the transmission line section upto

DGVCL Exam Paper (11-12-2011) The motor used in celling fans is

DGVCL Exam Paper (11-12-2011)
Reactance relay is used to protect against

DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

DGVCL Exam Paper (11-12-2011)
Rated making capacity of a ciruit breaker is equal to

DGVCL Exam Paper (11-12-2011)
In a power plant, a reserve generating capacity which is not in service but is in operation is known as

DGVCL Exam Paper (11-12-2011)
First zone distance relay protects the transmission line section upto

DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is