Search
.Management Sciences
A. a capackive reactance
B. an inductive reactance
C. a resistance increasing with voltage rise across the arc
D. a resistance decreasing with voltage rise across the arc
Related Mcqs:
- Fault diverters are basically____________?
- A. fuses B. relays C. fast switches D. circuit breakers...
- Large internal faults are protected by_______________?
- A. merz price percentage differential protection B. mho and ohm relays C. horn gaps and temperature relays D. earth fault and positive sequence relays...
- 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 _________ is used to measure the stator % winding temperature of the generator?
- A. thermocouple B. pyrometer C. resistance thermometer D. thermometer...
- By which of the following methods major portion of the heat generated in a H.R.C. fuse is dissipated ?
- A. Radiation B. Convection C. Conduction D. All of the above...
Recent Comments