img-download-app
img-download-app

An undervoltage on a 4160 volt safeguards bus occurs 20 seconds after the receipt of a Safety Injection signal. Which of the following statements regarding sequencing of loads onto the safeguards bus is correct?

Visit our website for other HVAC topics now!
Related questions
Which one of the following describes how dilution air can be supplied to Containment?Air can be supplied via the:
Which component of the Site Carbon Dioxide System changes liquid to a gas for the supply line to the Power Block?
With the Instrument/Service Air System Atlas-Copco compressor sequence selector switch selected to the C/A/B position, what is the highest pressure at which compressor CKA01B will receive an automatic start signal?
The reactor is at 75% power with Containment Air Cooler Condensate flow rate monitoring system out of service. The RO discovers Containment Atmosphere Radiation Monitor, GT RE-31, has a low flow failure.What, if any, is the required action?
What type of detector is used in the Area Radiation Monitoring System ?
A power supply in SD RE-37, Spent Fuel Pool Criticality Monitor, fails causing alarms in the control room. When I & C commences troubleshooting they de-energize SD RE-38 by mistake and cannot re-energize this monitor after realizing their error.What (if any) action is required?
At 100% power, a Process Rad Hi-Hi alarm is received on GE-RE-92, Condenser Air Removal Radiation Monitor.What valves automatically close?
If the red train NB bus had an Under Voltage and the "A" Emergency Diesel Generator is now supplying NB01, why is the yellow train ESW system started and aligned to the UHS?
What is the source of power for the Emergency Diesel Generator field flashing?
Which of the following signals or conditions is NOT required to start the Shutdown Sequencer?
The Instrument Air Dryer Package is in normal alignment with one train in lead, one train in lag, and both in automatic. The stem for the inlet valve of the tower in the lead train being re-activated, separates from the disk and the valve remains CLOSED.When this tower switches to drying, which of the following will occur?
With a normal unit shutdown in progress, Tank THB07A, (Waste Monitor Tank A), is being discharged at 100 gpm IAW the Liquid Release Permit. One Circ Water Pump is secured during load reduction when HB RE-18 (Plant Discharge Line Process Rad Monitor) alarms at its ALERT setpoint unexpectedly.What should the crew do now?
Which Emergency Diesel Generator (EDG) breaker trip remains in effect after an Emergency Start?
The Instrument Air and Service Air Systems are separated by ___________________________________.
Which of the following is required in Modes 1, 2, and 3 per Technical Specification 3.3.3, "Post Accident Monitoring (PAM) Instrumentation"?
What action(s) occur on a high radiation alarm ("red" on the RM-11R) for Steam Generator sample monitor, SJ RE-02?
As part of a surveillance test, an Emergency Diesel Generator (EDG) is running in parallel with offsite power and carrying full load. At this time, a Safety Injection Signal (SIS) is received.How are the EDG and its output breaker affected?
The plant is operating with a normal Instrument Air system lineup, when a spurious signal isolates the Component Cooling Water (CCW) system service loop.What is the effect on the Instrument Air system?
Which of the following actions will silence an audible alarm for a Process Radiation Monitor which has exceeded its alarm setpoint?
The CVCS Nuclear Sampling System sample line contains a radiation monitor to warn of ___________________________.
What action, if any, is required if bus NK01 is deenergized and EDG NE01 is running for surveillance testing?
The immediate effect of a large Steam Generator Tube Rupture on the Steam Generator Blowdown System during normal 100% power operation would be that BM RE-25 would initiate an interlock signal to the:
How many Instrument/Service Air compressors are required to be operational in Modes 1 through 3, according to Technical Specifications?
Which process monitor has an automatic action initiated by its alarm condition?
Assuming the EDG is not running, how would deenergizing 125 VDC bus NK04 affect Emergency Diesel Generator NE02?
The Emergency Diesel Generator is protected from crankcase explosion hazard by which of the following?
What is the response of the Liquid Radwaste System to a HiHi alarm on effluent radiation monitor HB RE-18, Liquid Waste Discharge Radiation Monitor?
The train specific Shutdown Sequencer will automatically actuate if which three conditions are met?
Which one of the following is true regarding Technical Specification Operability requirements for the emergency diesel generators?