RCS

Question 1

How does the RCS insure cool down during loss of all AC?

Answer 1

RCP cost down.

Natural circ.

Question 2

Where does the Pressurizer surge line attach to?

Answer 2

Loop 3 hot leg

Question 3

Where does the Pressurizer spray lines attach to?

Answer 3

Loops 3 and 4 cold leg.

Also from aux spray from CCP.

Question 4

What is the difference between modes 1 and 2?

Answer 4

Mode two is less than or equal to 5% rated power

Mode one is greater to 5% rated power.

Question 5

what is the temperature difference between modes 3 and 4?

Answer 5

mode 4 is equal to or less than 350. Mode 3 is greater than 350.

Question 6

what happens to pressurizer level if you have an RCS pipe break?

Answer 6

it lowers

Question 7

what happens to pressurizer pressure if you have an RCS pipe break?

Answer 7

it lowers.

Question 8

what happens to containment pressure l if you have an RCS pipe break?

Answer 8

it increases

Question 9

what do you need for natural circ.?

Answer 9

Heat source- core.
Heat Sink- Sg’s.
Heat sink must be above heat source.
Flow path- piping.

Question 10

what do the head and PRT vents do?

Answer 10

remove non-condensable gasses