The pressure of SF6 gas in circuit breakers is of the order of
A. 100 mm Hg
B. 1 kg/cm2
C. 3 to 5 kg/cm2
D. 30 to 50 kg/cm2
Answer:C
The pressure of SF6 gas in circuit breakers is of the order of
A. 100 mm Hg B. 1 kg/cm2 C. 3 to 5 kg/cm2 D. 30 to 50 kg/cm2