ELECTRICAL MACHINES QUIZ

 266.20 N-m.

 133.22 N-m

 cant be determined.

 234.76 N-m.

 Draw too much current.

 Produce sparking at brushes.

 Open fuse or circuit breaker.

  Develop excessive speed and damage itself.

 230 V

 somewhat less than 230 V

 somewhat more than 230 V

 6 V

 0 V

 1 V

 2 V

 4 V

 zero

 6 V

 less than 6 V

 more than 6 V

 increased by 20%

 reduced by 10%

 reduced by 20%

 increased by 10%

 Operating speed.

  Full load current.

 Starting torque, operating speed, full load current.

 Starting torque.

  transposing any two leads from supply.

  transposing any two leads from slip rings.

  transposing all the three leads from the supply.

  disconnecting any one phase.

None of these

  both A and B.

  DOL.

  star delta.

 9.3 kW, 9.3 kW.

 5.7 kW, 8.7 kW.

  6.3 kW, 9.3 kW.

 9.6 kW, 12 kW.