Q.1
Use of high speed circuit breaker will actually increase the system stability.
  • False
  • True
Q.2
Which one of the following device is used for improving the power factor of the system:
  • Synchronous Phase Modifier
  • Shunt Reactor
  • Series Reactor
  • Asynchronous Generator
Q.3
When a line to ground fault occurs,the current in faulted phase isA.The zero sequence current in this case will be
  • 0 A
  • 33.3 A
  • 66.6 A
  • 100 A
Q.4
For the single phase 2-wire system, the maximum voltage between the outer wires and earth is ______________
  • V/√2
  • √2V
  • V
  • 2V
Q.5
Which among the following quantities are specified at the generator bus?
  • P and Q
  • P and |V|
  • Q and |V|
  • P and δ
Q.6
Which one of the following loads has the poorest power factor?
  • Electric fan Induction motor
  • Transformer
  • Induction motor
  • Induction furnace
Q.7
Phase advancers are used to improve the power factor of
  • Induction motors
  • Induction generators
  • Synchronous motors
  • Synchronous generators
Q.8
At what value of ‘δ’ the maximum power transfer takes place
  • 90 degree
  • 0 degree
  • 45 degree
  • 30 degree
Q.9
Which among these is related to the critical clearing timeof a fault in a power system?
  • Transient stability limit
  • Steady state stability limit
  • Frequency limit
  • All of these
Q.10
The Critical Clearance time of a fault in the power system is related to
  • Reactive power limit
  • Short Circuit limit
  • Steady state stability limit
  • Transient stability limit
0 h : 0 m : 1 s