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GETCO Exam Paper (22-07-2015)

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

7
4.12
3 + 2(1.41)
5

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)
For a given transformer volte/turn for primary and secondary winding is

same
depends on load
depends on transformer design
different

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

emf = 4.44*f*φ*T
emf/T = 4.44*f*φ

GETCO Exam Paper (22-07-2015)
Earth wire on EHV overhead transmission line is provided to protect the line against

corona effect
switching surge
excessive fault voltages
lightning surge

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)
Which of the following is the most likely reason for large overshoot in a control system?

high positive correcting torque
High gain in a system
presence of dead time delay
high retarding torque

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)
100% string efficiency means

None uniform potential distribution across each disc
Equal potential across each disc
Zero potential across each disc
One of the insulator discs shorted

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)
Power Factor correcting element is generally connected in _____

series with load
parallel to the load
parallel to source
series with source

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON GETCO Exam Paper (22-07-2015)

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