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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008)
The number of pilot wires required for protecting 3-phase transmission lines using Translay System of protection is

3
4
6
2

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GETCO Exam Paper (30-11-2008)
In a dry type transformer, accumulation of dust on the windings and core is likely to cause

corrosion of core material
reduction in heat dissipation
short circuiting of primary winding
short circuiting of secondary winding

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GETCO Exam Paper (30-11-2008)
Directional over current relays have two exciting coils connected across _____ secondary's of two _____ phases

T., different
P.T., different
T. & P.T., different
T. & P.T., same

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GETCO Exam Paper (30-11-2008)
The delay fuses are used for protection of

motors
none of these
light circuits
fluorescent lamp

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GETCO Exam Paper (30-11-2008)
Supreme Command of all the three wings of the armed forces is vested in the

Chief of Army Staff
President of India
Defence Minister
Prime Minister of India

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GETCO Exam Paper (30-11-2008)
In the protection scheme relay functions as _____ device

none of these
sensing
switching
breaking

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MORE MCQ ON GETCO Exam Paper (30-11-2008)

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