Multiple Choice
Plug setting of a electromagnetic relay can be altered by varying
A) Number of ampere turns
B) Air gap of magnetic path
C) Adjustable back stop
D) None of these
Correct Answer:
Verified
Correct Answer:
Verified
Q5: Which of the following relays is used
Q6: Which of the following is the demerit
Q7: The values of fault current depend on<br>A)Voltage
Q8: Merz-price protection is used on<br>A)Substations<br>B)Capacitor bank<br>C)Induction motor<br>D)Generators.
Q9: The tripping circuit is_<br>A)AC<br>B)DC<br>C)either AC or DC<br>D)None
Q11: Which of the following are air-break switching
Q12: The protection against over-voltage due to lightening
Q13: Which of the following is a conducting
Q14: Which relay is used for feeders?<br>A)MHO relay<br>B)Translay
Q15: the most efficient torque producing actuating structure