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GETCO Exam Paper (11-06-2017)

GETCO Exam Paper (11-06-2017)
Current rating is not necessary in case of

circuit breakers
circuit breakers and load break switches
isolators
load break switches

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GETCO Exam Paper (11-06-2017)
A synchronous condenser is virtually a/an

under-excited synchronous motor
induction motor
commutatr motor
over-excited synchronous motor

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Synchronous motor operate at no load with over excitation it behave as synchronous capacitor
supply reactive power at leading power factor

GETCO Exam Paper (11-06-2017)
Give synonym: Cease

Stop
Begin
Dull
Create

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GETCO Exam Paper (11-06-2017)
In air blast circuit breaker resistance switching is used to

reduce the magnitude of fault current
damp out the fast transient
control the CB operating time
change the fault current power factor

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GETCO Exam Paper (11-06-2017)
The power factor of an open ended cable can be improved by

increasing the conductor resistance
increasing the capacitance
increasing the insulation resistance
decreasing the capacitance

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GETCO Exam Paper (11-06-2017)
If the effect of earth is taken into account, then the capacitance of line to ground

decreases
increases
remains unaltered
becomes infinite

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MORE MCQ ON GETCO Exam Paper (11-06-2017)

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