DGVCL Exam Paper (11-12-2011)
An IDMT relay provides

A definite time characteristic for low values of the failt current and an inverse characteristic for high values of the fault current
An inverse time current characteristic
A definite time cuttent characteristic
An inverse characteristic for low values of the fault current and a definite time characteristic for high values of the fault current

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Capacitor start motor
Capacitor start capacitor run motor
Split phase motor
Universal motor

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DGVCL Exam Paper (11-12-2011)
A Mho relay is a

Voltage restrained directional relay
Voltage controlled over current relay
Directional restrained over voltage relay
Directional restrained over current relay

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