Minimum working voltage will be least in case of
A) Silver
B) Graphite
C) Carbon
D) Tungsten
Correct Answer:
Verified
Q8: Over voltage protection is recommended for
A)Hydro electric
Q9: Overfluxing protection is recommended for
A)Distribution transformer
B)Generator transformer
Q10: Hey switchgear is device used for
A)Interrupting an
Q11: Switching over voltage arc are more hazardous
Q12: Least number of faults are generally reported
Q14: In a contactor, interrupting medium may be
A)Air
B)Oil
C)Sf6
Q15: The transient voltages that appears across the
Q16: The power loss is an important factor
Q17: SF6 gas
A)Is yellow in colour
B)Is lighter than
Q18: SF6 gas is transported in
A)Air cylinders
B)Gas cylinders
C)Liquid
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