POWER SYSTEMS QUIZ

 Heat exchangers.

  All of above.

 Reheating.

 Multistage compression.

 resistance grounding

All of these

 isolated grounding

 reactance grounding

  high energy loss from turbine exhaust to condenser.

 high energy loss in boiler.

 low alternative efficiency.

 low steam turbine mechanical efficiency.

 neither 1 nor 2

 sag increase

 tension decrease

 both 1 and 2

 copper loss

 surge impedance of the line

 corona loss

 voltage drop across the line

 fault current reduces

 both 1 and 3

 stability increases

 fault current increases

 (4 + j8 ) pu

 (1 + j2 ) pu

 (2 + j4 ) pu

 (0.5 + j1 ) pu

  operates by initial complete conversion to kinetic energy.

 makes use of a draft tube.

 always operates submerged.

 is most suited for low head and high discharge power plants.

 7268.45 KCal / Kg.

 7000 KCal / Kg.

 7562 KCal / Kg.

  7166.67 KCal / Kg.

 Air break CB.

  Air blast CB.

 Plain oil CB.

 Minimum oil CB.