SF6 gas______________?

Related Mcqs:

The voltage appearing across the contacts after opening of the circuit breaker is called__________voltage

A. recovery B. surge C. operating D. arc E. none of the above...

Ionization in circuit breaker is facilitated by___________?

A. high temperature B. increase of mean free path C. increasing field strength D. all of the above...

A.C. network analyser is used to solve problems of_______________?

A. load flow B. load flow and short-circuit C. load flow and stability D. load flow, short-circuit and stability E. none of the above...

Arc in a circuit breaker is interrupted at___________?

A. zero current B. maximum current C. minimum voltage D. maximum voltage...

The torque produced in induction type relay (shaded pole structure) is_____________?

A. inversely proportional to the current B. inversely proportional to the square of the current C. proportional to the current D. proportional to square of the current...