Power Systems
Which of the following is a reaction turbines

  Francis turbine and Kaplan turbine.
  Pelton turbine and Francis turbine.
  Kaplan and Pelton turbine.
  None of these.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The skin effect shows that

 current density is lower at the surface of the condutor
 current density is more at the centre of the condutor
 the distribution of AC current is uniform through the cross section of the conductor
 current density is more at the surface of the condutor

ANSWER DOWNLOAD EXAMIANS APP