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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
For formation of the Y bus matrix (using node voltage analysis) in power system network modelling _____ is used

KVL
KCL
Faraday's law
all are correct

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GETCO Exam Paper (22-07-2015)
For a given transformer volte/turn for primary and secondary winding is

depends on load
depends on transformer design
same
different

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

emf = 4.44*f*φ*T
emf/T = 4.44*f*φ

GETCO Exam Paper (22-07-2015)
Fast excitation system of the generator will _____

Improve the dynamic stability
Improve the power factor
Improve the voltage control
Improve the reactive power control

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GETCO Exam Paper (22-07-2015)
In rotating electrical machines, the insulation temperature limit for class B type is

105˚C
130˚C
150˚C
180˚C

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

insulation Class and temperature limit(in ˚C) is given below:
Y - 90
A- 105
E- 120
B-130
F-155
H-180
C- above 180

GETCO Exam Paper (22-07-2015)
To find the most accurate values of resistance and inductance of the transmission line

T configuration is used
End condenser configuration is used
Distributed parameter configuration used
Pi configuration is used

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GETCO Exam Paper (22-07-2015)
Penalty factor in power system economical operation is measure of

generation cost
fuel cost
all are correct
Line loss

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MORE MCQ ON GETCO Exam Paper (22-07-2015)

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