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Questions and Answers
What is the purpose of a submerged perforated plate (SPP) in steam load equalization?
What is the purpose of a submerged perforated plate (SPP) in steam load equalization?
- To cool down the steam-water mixture
- To increase hydraulic resistance
- To supply steam to the vane swirler
- To remove water through holes by centrifugal force (correct)
Where are centrifugal separators commonly applied in PWR NPPs?
Where are centrifugal separators commonly applied in PWR NPPs?
- On the turbine blades
- In vertical steam generators (correct)
- In the condenser
- In the reactor core
What happens to the water in a centrifugal separator according to the operating principle?
What happens to the water in a centrifugal separator according to the operating principle?
- It is converted into steam
- It is cooled down before being removed
- It is stored in a separate tank
- It is thrown onto the walls by centrifugal force and removed through holes (correct)
What is a key condition for the effective operation of centrifugal separators?
What is a key condition for the effective operation of centrifugal separators?
What is a disadvantage of centrifugal separators mentioned in the text?
What is a disadvantage of centrifugal separators mentioned in the text?
Where are separators typically fixed according to the text?
Where are separators typically fixed according to the text?
What is the main factor that determines the efficiency of gravitational separation in steam generators?
What is the main factor that determines the efficiency of gravitational separation in steam generators?
Which component is responsible for separating moisture drops by gravitational force in NPP steam generators?
Which component is responsible for separating moisture drops by gravitational force in NPP steam generators?
What is the main purpose of the louvre separator in the separation design of vertical steam generators (PWR)?
What is the main purpose of the louvre separator in the separation design of vertical steam generators (PWR)?
In NPP steam generators, what is the combination of two processes involved in steam separation?
In NPP steam generators, what is the combination of two processes involved in steam separation?
To achieve high-purity steam in NPPs, what must be restricted according to the text?
To achieve high-purity steam in NPPs, what must be restricted according to the text?
What is the moisture content requirement for saturated steam turbine entry mentioned in the text?
What is the moisture content requirement for saturated steam turbine entry mentioned in the text?
What is one of the consequences of moisture (water droplets) in steam, generated in SG's evaporator?
What is one of the consequences of moisture (water droplets) in steam, generated in SG's evaporator?
Which component of a turbine is vulnerable to erosive-corrosive wear due to moisture in steam?
Which component of a turbine is vulnerable to erosive-corrosive wear due to moisture in steam?
What is the primary issue associated with roughness growth on turbine blades?
What is the primary issue associated with roughness growth on turbine blades?
In VVER (PWR) units, what contaminates the saturated steam at low pressures?
In VVER (PWR) units, what contaminates the saturated steam at low pressures?
What is the main purpose of separation in NPP steam generators?
What is the main purpose of separation in NPP steam generators?
Where is the characteristic erosive damage typically found in saturated steam turbines?
Where is the characteristic erosive damage typically found in saturated steam turbines?
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