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.Management Sciences
A. Oil circuit breakers
B. Air blast circuit breakers
C. Minimum oil circuit breakers
D. All of the above
Related Mcqs:
- Which of the following medium is employed for extinction of arc in air circuit breaker?
- A. Water B. Oil C. Air D. SF6...
- The arc voltage produced in A.C. circuit breaker is always_____________?
- A. in phase with the arc current B. lagging the arc current by 90″ C. leading the arc current by 90° D. none 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...
- 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...
- A fuse is connected_______________?
- A. in series with circuit B. in parallel with circuit C. either in series or in parallel with circuit D. none of the above...
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