A) A series of backup generators B) A set of fuel rods C) A series of valves D) A network of high-pressure pumps
A) Into the turbine building cooling towers B) A large pool of liquid water known as the wetwell, torus, or suppression pool C) Into the primary containment drywell only D) Directly into the atmosphere outside the plant
A) Directly into the primary containment structure B) Out through the plant ventilation stack C) Into an underground storage cavern D) Into the secondary cooling water intake
A) Depressurizes the reactor vessel B) Increases the reactor vessel temperature C) Generates emergency electrical power D) Shuts down the nuclear chain reaction
A) Lower pressure coolant injection systems B) High-pressure turbine generators C) External diesel generators D) Primary off-site electrical grids
A) They have very large capacities B) They have identical capacities C) They have zero coolant capacity D) They have much smaller capacities
A) None of them are automatic or manual B) Some are automatic, while others require manual operator activation C) Yes, they are exclusively automatic without manual controls D) No, they must all be manually activated by operators
A) Turbine driven auxiliary valves B) Residual heat removal pumps C) Pilot-operated relief valves D) Core spray spargers
A) Reactor Core Isolation Cooling valves (RCIC) B) Pressure Relief Valve (PRV) or Safety Relief Valve (SRV) C) Containment Spray Valves (CSV) D) Low Pressure Coolant Injection valves (LPCI)
A) Exclusively during a complete station blackout B) In case of reactor overpressure or during transition between normal operation and shutdown C) Only when the primary coolant is completely drained D) Only during routine refueling operations
A) To inject emergency coolant into the reactor vessel B) To reduce the pressure in the reactor vessel or in the steam lines C) To generate auxiliary electricity for the plant D) To increase the temperature of the core
A) Into the core spray spargers B) Directly into the turbine building C) Into the wetwell where it condensates D) Into the external environment
A) An emergency system consisting of a pump that injects coolant into a depressurized reactor vessel B) An auxiliary generator used during station blackouts C) A high-pressure system that generates steam for turbines D) A containment cooling system that sprays water on the upper containment walls
A) Only after the fuel rods have melted B) While the reactor is at maximum operating pressure C) Once the reactor vessel has been depressurized D) Before any depressurization occurs
A) The Reactor Core Isolation Cooling System (RCIC) B) The containment spray system C) A residual heat removal system (RHR or RHS) D) The Automatic Depressurization System (ADS)
A) No, it is generally not a stand-alone valve or system B) Yes, it is a standalone steam turbine C) Yes, it operates completely independently of all other systems D) Yes, it is a standalone electrical generator
A) In both BWRs and PWRs equally B) Only in BWRs C) Only in pressurized water reactors (PWRs) D) Only in gas-cooled reactors
A) Steam turbine driven cooling pumps B) Large storage tanks and massive pistons C) Spargers (pipes fitted with an array of many small spray nozzles) D) Pilot-operated relief valves
A) Into the secondary cooling water circuit B) Into the upper portion of the primary containment structure C) Into the wetwell suppression pool D) Directly onto the fuel rods
A) Increasing the reactor pressure B) Suppressing the generation of steam C) Generating additional electrical power D) Heating up the primary coolant loop
A) Primary and secondary cooling modes B) Automatic and manual-only modes C) High-pressure and low-pressure modes D) Electrical and battery-powered modes
A) A series of pumps and spargers B) A network of electrical batteries C) A series of high-pressure relief valves D) A steam turbine and pneumatic controls
A) Into the upper portion of the primary containment structure B) Directly onto the reactor fuel rods C) Into the wetwell or torus pool D) Into the turbine and control buildings
A) Condense steam into liquid within the primary containment structure B) Depressurize the reactor vessel to allow LPCI to function C) Provide auxiliary power during a station blackout D) Cool the reactor building when isolated from the control building
A) Complete electrical grid stabilization B) Enhanced cooling efficiency of the fuel rods C) Immediate reactor shutdown and core freezing D) Leakage, followed by involuntary depressurization
A) A high-capacity battery bank B) An emergency diesel generator C) Off-site electrical power D) A steam turbine
A) To increase pressure in the steam lines during normal operation B) To spray coolant directly onto the upper containment structure C) To provide enough water to safely cool the reactor if the reactor building is isolated D) To act as the primary pump for the residual heat removal system
A) Electrical digital controls B) Pneumatic controls C) Computerized robotic controls D) Manual hydraulic levers
A) Only when connected to full off-site electrical power B) At mechanically controlled adjustable speeds, without battery power, emergency generator, or off-site electrical power C) Exclusively using emergency backup battery power D) Only when assisted by an emergency diesel generator
A) Reactor overpressure during normal startup B) Station blackout C) Core spray sparger blockage D) Involuntary containment leakage
A) Yes, it is the primary component of the ECCS B) No, it is not part of the ECCS C) Yes, but only in pressurized water reactors D) Yes, it shares all circuits with the ECCS
A) No, it does not have a low coolant accident function B) Yes, but only in boiling water reactors C) Yes, that is its primary function during a loss of coolant D) Yes, alongside its station blackout function
A) The wetwell suppression pool B) The core spray injection loop C) The secondary cooling circuit D) The primary cooling circuit
A) Reactor Core Isolation Cooling System (RCIC) B) Turbine driven auxiliary feedwater system C) Automatic Depressurization System (ADS) D) Low Pressure Coolant Injection system (LPCI)
A) The secondary auxiliary cooling circuit only B) The containment spray structure C) The residual heat removal piping network D) The primary cooling circuit, also known as Main Cooling Circuit (MCC)
A) Pilot-operated relief valve system B) Low Pressure Coolant Injection system C) Turbine driven auxiliary feedwater system D) Reactor Core Isolation Cooling System (RCIC)
A) Five B) Three C) Two D) Four
A) Environmental Protection Agency B) International Atomic Energy Agency C) U.S. Nuclear Regulatory Commission D) Department of Energy
A) Boron B) Actinides C) Lanthanides D) Plastic polymers
A) Concrete B) Rubber C) Steel D) Titanium
A) Self-lubricating metal on metal B) Petroleum-based grease C) Liquid boron lubricant D) High-viscosity synthetic oil
A) Boric acid B) Sodium hydroxide C) Hydrochloric acid D) Sulfuric acid
A) No B) Only when backup cooling fails C) Yes D) Only during refueling
A) Trace concentration B) Moderate concentration C) Zero concentration D) High concentration
A) Advanced digital control software B) Higher electrical voltage capacity C) Redundancy D) Manual mechanical override levers
A) The main generator B) Motor-generators C) Batteries D) Diesel generators
A) Corrosion B) Mechanical vibration C) High voltage D) Magnetic fields
A) Neutron flux B) Coolant water C) Fission products D) Control rods
A) Diluted corium B) Activated charcoal C) Concrete D) Basaltic steel
A) The Chernobyl plant B) The SNR-300 C) The AREVA EPR D) The ABWR
A) The concrete foundation B) Water circulating in the floor C) An active standby gas treatment system D) A core catching device
A) A secondary containment vault B) A drainage tunnel C) A mine D) A cooling water reservoir
A) All American PWRs B) All new Russian-designed reactors C) Only the Chernobyl plant D) All BWRs
A) IEEE 279 B) ANSI N18.2 C) AREVA EPR D) Chernobyl
A) The Atmea I B) The SNR-300 C) The ESBWR D) The ABWR
A) Basaltic concrete filter B) Metal-diluting filter C) Activated charcoal filter D) Turbine moisture separator
A) Mist eliminators and roughing filters B) Activated charcoal filters C) Basaltic concrete floors D) Electric heaters
A) December 279 B) August 1979 C) January 1973 D) August 1973 |