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A fuse should have

high conductivity
All of these
low melting point
low cost

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For the protection of power station buildings against direct strokes the requirements are

None of these
interception, conduction and dissipation
interception and conduction
interception
interception, conduction, dissipation and reflection

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Insulation resistance of high voltage circuit breakers is more than

10 mega ohms
100 mega ohms
1 mega ohms
500 mega ohms

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A.C. network analyzer is used to solve problems of

Load flow and short-circuit
Load flow, short-circuit and stability
Load flow and stability
Load flow

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To limit short-circuit current in a power system are used

reactors
earth wires
H.R. fuses
isolators

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________ relay is preferred for phase fault on short transmission line.

Induction type
Reactance
Impedance
None of these

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