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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
Which city is capital of Meghalaya? (As on 22/07/2015)

Itanagar
Dispur
Shilong
Imphal

ANSWER DOWNLOAD EXAMIANS APP

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

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

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

4.12
5
7
3 + 2(1.41)

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 + …)

GETCO Exam Paper (22-07-2015)
Critical clearing time of a fault in a power system is related to

Short circuit limit
Transient stability limit
Reactive power limit
Steady state limit

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GETCO Exam Paper (22-07-2015)
Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm

10 N-m
23.5 N-m
22 N-m
0 N-m

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

P = 2πTN/60 where N is speed in rpm

GETCO Exam Paper (22-07-2015)
Which of the following is not function of substation batteries?

operating automatic control circuits
provide supply to the excitation system
emergency lighting circuits
operating protective relay systems

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

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