Steam Generators/SG Blowdown/RMS (RQ-I-4761)

Question 1

How many SG Safety Valves are there and what are their setpoints

Answer 1

2 @ 1065#
2 @ 1075#
1 @ 1085#

Question 2

How much steam is each SG PORV rated to pass

Answer 2

2.5% rated steam flow

Question 3

What is the normal SG PORV set point

Answer 3

1025#

Question 4

The Crew is cooling down the RCS using the Steam Dump. SG levels rise momentarily, then return to their program level.

Which of the following explains the SG level response to Steam Dump operation?

A) Lower pressure causes steam bubble compression, raising level in the riser region

B) Lower pressure causes steam bubble compression, raising level in the downcomer region

C) Lower pressure causes steam bubble expansion, raising level in the riser region

D) Lower pressure causes steam bubble expansion, raising level in the downcomer region

Answer 4

D) Lower pressure causes steam bubble expansion, raising level in the downcomer region

Question 5

A HIGH radiation alarm is received on RRS-1001, Liquid Radwaste Effluent Line.

What is the expected equipment response?

A: 1-RRV-286, Liquid Waste Effluent To Header CIRC Water Discharge Header Shut Off Valve, closes

B: 12-RRV-285, Liquid Waste Disposal Effluent Discharge Header Shutoff Valve, closes

C: Alarms at WDS Panel and Control Rooms only. NO automatic actions

D: 12-RRV-284, Liquid Release Control Valve, closes

Answer 5

B: 12-RRV-285, Liquid Waste Disposal Effluent Discharge Header Shutoff Valve, closes