Ybus used in power flow studies and Zbus used in short circuit studies

DGVCL Exam Paper (11-12-2011)
Ybus used in power flow studies and Zbus used in short circuit studies

Are inverse of each other

Have no inter relation

Are the same

Are transpose of each other

Are inverse of each other

Have no inter relation

Are the same

Are transpose of each other

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

Capacitor start motor

Split phase motor

Universal motor

Capacitor start capacitor run motor

Capacitor start motor

Split phase motor

Universal motor

Capacitor start capacitor run motor

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DGVCL Exam Paper (11-12-2011)
Which motor is used to start heavy loads?

Cumulatively compounded motor

Differentially compounded motor

Series motor

Shunt motor

Cumulatively compounded motor

Differentially compounded motor

Series motor

Shunt motor

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DGVCL Exam Paper (11-12-2011)
If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be

15

10

25

50

15

10

25

50

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DGVCL Exam Paper (11-12-2011)
The bus bar zone faults are generally

Three phase short ciruits

Phase to phase faults

Single line to ground faults

Double line to ground faults

Three phase short ciruits

Phase to phase faults

Single line to ground faults

Double line to ground faults

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DGVCL Exam Paper (11-12-2011)
A fixed step by step procedure for finding the solution of a problem on computer is called

Algorithm

Hardware

Software

Logic

Algorithm

Hardware

Software

Logic

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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) Ybus used in power flow studies and Zbus used in short circuit studies

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

DGVCL Exam Paper (11-12-2011) Which motor is used to start heavy loads?

DGVCL Exam Paper (11-12-2011) If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be

DGVCL Exam Paper (11-12-2011) The bus bar zone faults are generally

DGVCL Exam Paper (11-12-2011) A fixed step by step procedure for finding the solution of a problem on computer is called

DGVCL Exam Paper (11-12-2011)
Ybus used in power flow studies and Zbus used in short circuit studies

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

DGVCL Exam Paper (11-12-2011)
Which motor is used to start heavy loads?

DGVCL Exam Paper (11-12-2011)
If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be

DGVCL Exam Paper (11-12-2011)
The bus bar zone faults are generally

DGVCL Exam Paper (11-12-2011)
A fixed step by step procedure for finding the solution of a problem on computer is called