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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
Which of the following cable is extensively used for high tension and low tension work?

XLPE cable
PVC cable
TRS cable
VIR cable

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)
Shunt capacitors in a substation

deliver active power
delivers lagging VAR
consumes lagging VAR
consume active power

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GETCO Exam Paper (22-07-2015)
For given kVAR and line voltage the ratio of star to delta value of capacitor is

1.73
3
1
0.33333333333333

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GETCO Exam Paper (22-07-2015)
For selecting low voltage cable which of the following factors is not important?

current carrying capacity
short circuit current rating
voltage grade
permissible voltage drop

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GETCO Exam Paper (22-07-2015)
The Y bus matrix is a sparse matrix because …

Y primitive is a sparse matrix
lines are connected to less no. of buses
no of lines are less
bus incidence matrix is a sparse matrix

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GETCO Exam Paper (22-07-2015)
The RMS value of the voltage u(t) = 3 + 4 cos(3t) is

7
5
3 + 2(1.41)
4.12

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

if voltage is given by,
v(t) = V₀ + V₁ cos(3t) + V₂ cos(5t)+ …
RMS value is given by,
√( V₀² + (V₁/√2)² + (V₂/√2)² + …)

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

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