A _________ is used to measure the stator % winding temperature of the generator?

Related Mcqs:

1. The short circuit in any winding of the transformer is the result of______________?

   A. mechanical vibration
   B. insulation failure
   C. loose connection
   D. impulse voltage

2. The short circuit in any winding of the transformer is the result of_______________?

   A. mechanical vibration
   B. insulation failure
   C. loose connection
   D. impulse voltage

3. The ground wire should not be smaller than No _________ copper

   A. 2
   B. 4
   C. 6
   D. 10

4. A thermal protection switch can protect against_____________?

   A. short-circuit
   B. temperature
   C. overload
   D. over voltage

5. D.C. shunt relays are made of_____________?

   A. few turns of thin wire
   B. few turns of thick wire
   C. many turns of thin wire
   D. many turns of thick wire

6. Burden of a protective relay is the power______________?

   A. required to operate the circuit breaker
   B. absorbed by the circuit of relay
   C. developed by the relay circuit
   D. none of the above

7. Interruption of large currents by relay requires______________?

   A. arc suppressing blow out coils
   B. wide separation of the opened contacts
   C. high speed opening of contacts
   D. all of the above

8. Which of the following parameter can be neglected for a short line ?

   A. Inductance
   B. Capacitance
   C. Resistance
   D. Reactance

9. For which of the following ratings of the transformer differential protection is recommended ?

   A. above 30 kVA.
   B. equal to and above 5 MVA
   C. equal to and above 25 MVA
   D. none of the above

10. The fuse wire, in D.C. circuits, is inserted in____________?

    A. negative circuit only
    B. positive circuit only
    C. both (A) and (B)
    D. either (A) or (B)