Power Systems
In boiler water reactor (BWR)

 the feed water acts both coolant and a moderator.
  all of above.
 enriched uranium is used as fuel.
 there is danger of radioactive contamination of steam.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
In coal fired thermal power stations, what are the electrostatic precipitators used for?

 To collect the dust particles from the flue gases
 To remove dust particles setting on the bus bar conductors in the station switch yard
All of these
 To keep the air heaters clean

ANSWER DOWNLOAD EXAMIANS APP