Power Plant Engineering
The size of the reactor is said to be critical when

It explodes
Chain reaction can be initiated
It becomes uncontrollable
It produces no power

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP