Protection by fuses is generally not used beyond
A) 20 A
B) 50 A
C) 100 A
D) 200 A
Correct Answer:
Verified
Q14: The fuse rating is expressed in terms
Q15: The fuse blows off by
A)burning
B)arcing
C)melting
D)none of the
Q16: On which of the following effects of
Q17: An isolator is installed
A)to operate the relay
Q18: A fuse in a motor circuit provides
Q20: A fuse is never inserted in
A)neutral wire
B)negative
Q21: Which of the following circuit breakers is
Q22: The stability of arc in vacuum depends
Q23: SF6 is which type of gas?
A)Electro positive
B)Electro
Q24: What is the average rate of rise
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