Electrical Engineering Questions And Answers :: Switchgear Protections: part1

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Electrical Engineering : Switchgear Protections QUESTIONS AND ANSWERS :: part1 : 21 to 25

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

21.Directional relays are based on flow of

voltage wave
all of the above

22.Arc in a circuit behaves as

a capackive reactance
an inductive reactance
a resistance increasing with voltage rise across the arc
a resistance decreasing with voltage rise across the arc

23.Overload relays are of...... type.

solid state
thermal & electromagnetic
all above

24.With which of the following, a circuit breaker must be equipped for remote operation ?

Inverse time trip
Time-delay trip
Shunt trip
None of the above

More Switchgear Protections QUESTIONS AND ANSWERS available in next pages

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