Power Plant Engineering
A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be

All of the listed here
Good thermal conductor
Corrosion resistant
Stable under nuclear radiation

ANSWER DOWNLOAD EXAMIANS APP

Power Plant Engineering
A pressurized water reactor employs pressurizes for the following application

To increase pressure of water in primary circuit
To Supply high pressure steam
To provide sub cooled water at high pressure
To maintain constant pressure in primary circuit under varying load

ANSWER DOWNLOAD EXAMIANS APP