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Electrical Engineering : Switchgear Protections QUESTIONS AND ANSWERS :: part4 : 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.An isolator is installed |
to operate the relay of circuit breaker |
as a substitute for circuit breaker |
always independent of the position of circuit breaker |
generally on both sides of a circuit breaker |
2.Admittance relay is _______ relay. |
impedance |
directional |
non-directional |
none of the above |
3.On which of the following effects of electric current a fuse operates ? |
Photoelectric effect |
Electrostatic effect |
Heating effect |
Magnetic effect |
4.The steady state stability of the power system can be increased by |
connecting lines in parallel |
connecting lines in series |
using machines of high impedance |
reducing the excitation of machines |
5.The material used for fuse must have |
low melting point and high specific resistance |
low melting point and -low specific resistance |
high melting point and low specific resistance |
low melting point and any specific resistance |
More Switchgear Protections QUESTIONS AND ANSWERS available in next pages
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