General Power Plant Information

Question 1

In what mode are reactor head bolts detensioned and there is no chain reaction in core and the temperature of the reactor coolant system is less than 140 degrees?

Answer 1

Mode 6 (Refueling)

Question 2

In what mode is the reactor head on and torqued with no chain reaction in core and the temperature of the reactor coolant system is less than 200 degrees?

Answer 2

Mode 5 (Cold Shutdown)

Question 3

In what mode is there no chain reaction in core and the temperature of the reactor coolant system is greater than 200 degrees but less than 350 degrees?

Answer 3

Mode 4 (Hot Shutdown)

Question 4

In what mode is there no chain reaction in core and the temperature of the reactor coolant system is between 350 and 547 degrees?

Answer 4

Mode 3 (Hot Standby)

Question 5

In what mode does self-sustaining reaction begin in the fuel core with power production levels ranging from 0 to 5 percent and reactor coolant system temperature is at 547 degrees?

Answer 5

Mode 2 (Startup)

Question 6

In what mode are power production levels greater than five percent with reactor coolant systems temperature of 547 degrees and production of electricity for transmission grid starting at 15% power?

Answer 6

Mode 1 (Power Operation)

Question 7

What mode is “no mode”

Answer 7

Mode 0