Electrical Engineering : Switchgear Protections QUESTIONS AND ANSWERS :: part3 : 1 to 5
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.Distance relays are generally |
split-phase relays |
reactance relays |
impedance relays |
none of the above |
2.Which of the following parameter can be neglected for a short line ? |
Inductance |
Capacitance |
Resistance |
Reactance |
3.Discrimination between main and back up protection is provided by the use of relays which are |
fact |
sensitive |
slow |
none of the above |
4.The short circuit in any winding of the transformer is the result of |
mechanical vibration |
insulation failure |
loose connection |
impulse voltage |
5.The relay with inverse time characteristic will operate within |
1.5 sec |
5 to 10 sec |
5 to 20 sec |
20 to 30 sec |
More Switchgear Protections QUESTIONS AND ANSWERS available in next pages
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