First zone distance relay protects the transmission line section upto | EE MCQ

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DGVCL Exam Paper (11-12-2011)

First zone distance relay protects the transmission line section upto

25 % of its full length

80 % of its full length

50 % of its full length

Its full length

25 % of its full length

80 % of its full length

50 % of its full length

Its full length

Related Question

DGVCL Exam Paper (11-12-2011)

The transient stability of a power system can be improved by

Excitation control

Phase shifting transformer

Single pole switching of circuit breakers

Increasing the turbine valve opening

Excitation control

Phase shifting transformer

Single pole switching of circuit breakers

Increasing the turbine valve opening

DGVCL Exam Paper (11-12-2011)

Different computers are connected to a LAN by a cable and a

Modem

Telephone line

Interface card

Special wires

Modem

Telephone line

Interface card

Special wires

DGVCL Exam Paper (11-12-2011)

The purpose of interpoles in DC machines is to nullify

Both the cross-magnetizing mmf and the reactance voltage

The demagnetizing effect of armature mmf

The cross-magnetizing effect of armature mmf

The reactance voltage

Both the cross-magnetizing mmf and the reactance voltage

The demagnetizing effect of armature mmf

The cross-magnetizing effect of armature mmf

The reactance voltage

interpoles is widely use to improve commutation
place between main poles fitted to yoke
functions:
to neutralize armature mmf in commutating zone
to produce some flux in commutating zone

DGVCL Exam Paper (11-12-2011)

A device connected to the computer which converts digital signals to analog and vice-versa is

Keyboard

Modem

UPS

CPU

Keyboard

Modem

UPS

CPU

DGVCL Exam Paper (11-12-2011)

The main criterion for the design of a distributor is

Temperature rise

Voltage drop

Radio interference

Corona loss

Temperature rise

Voltage drop

Radio interference

Corona loss

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