Power Systems
A hydro power plant of run off river type should be provided with pondage so that the

 pressure inside the turbine casing remains.
  firm capacity of plant is increased.
 operating head is controlled.
 kinetic energy of the running water is fully utilized.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
In a pressurized water reactor

 water is used at high pressure so that it is available is liquid from at about 280° C.
 the coolant water boils in the reactor core.
 heavy water is used as both coolant and moderator.
  both B and C.

ANSWER DOWNLOAD EXAMIANS APP