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GETCO Exam Paper (11-06-2017)

GETCO Exam Paper (11-06-2017)
Which of the following relays is used on long transmission lines?

None
Impedance relay
Mho's relay
Reactance relay

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GETCO Exam Paper (11-06-2017)
A circuit component that opposes the change in circuit voltage is

resistance
all
capacitance
inductance

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Capacitor : Oppose change in voltage
Inductor : Oppose change in current
Resistance : Oppose flow of current

GETCO Exam Paper (11-06-2017)
Effect of temperature rise in overhead lines is to

decrease the sag and increase the tension
decrease both
increase the sag and decrease the tension
increase both

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GETCO Exam Paper (11-06-2017)
The current through series RLC circuit under resonance condition will be

V/R
V/XC
V/XL
none

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

For series resonace circuit,
Z = R
I = Imax
I = V/Z = V/R

GETCO Exam Paper (11-06-2017)
In a transmission system, the weight of copper used is proportional to

1/E2
1/E
E
E2

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GETCO Exam Paper (11-06-2017)
After him in my life I _____ see things differently now

can
been
being
begin

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