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What is the main function of a condenser in a power plant?
What is the main function of a condenser in a power plant?
- To cool the incoming steam before it enters the turbine
- To extract energy from the exhaust steam
- To condense the exhaust steam from the turbine for reuse (correct)
- To increase the pressure of the exhaust steam
In what state does a condenser usually operate?
In what state does a condenser usually operate?
- At the same pressure as the atmosphere
- At a pressure higher than atmosphere
- At a variable pressure depending on the turbine's output
- At a pressure lower than atmosphere (correct)
What effect does the use of a condenser have on the specific work output of a turbine?
What effect does the use of a condenser have on the specific work output of a turbine?
- Has no effect on the specific work output of the turbine
- Causes the turbine to stop functioning
- Increases the specific work output of the turbine (correct)
- Decreases the specific work output of the turbine
What is the purpose of a cooling tower in a power plant?
What is the purpose of a cooling tower in a power plant?
What role does the volume collapse during steam condensation play in the operation of a condenser?
What role does the volume collapse during steam condensation play in the operation of a condenser?
What is the function of a condenser in a power plant?
What is the function of a condenser in a power plant?
At what pressure does a condenser usually operate?
At what pressure does a condenser usually operate?
What effect does the use of a condenser have on the specific work output of a turbine?
What effect does the use of a condenser have on the specific work output of a turbine?
What is the purpose of a cooling tower in a power plant?
What is the purpose of a cooling tower in a power plant?
What role does the volume collapse of steam into water play in the operation of a condenser?
What role does the volume collapse of steam into water play in the operation of a condenser?
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Study Notes
Condenser in a Power Plant
- The main function of a condenser in a power plant is to condense the exhaust steam from a turbine, converting it back into liquid water, allowing the reuse of the steam in the cycle.
- A condenser usually operates in a vacuum state, which is below atmospheric pressure.
- The use of a condenser increases the specific work output of a turbine, as it allows the turbine to exhaust into a lower pressure, resulting in a greater pressure ratio and increased efficiency.
Cooling Tower in a Power Plant
- The purpose of a cooling tower in a power plant is to dissipate the heat rejected by the condenser to the atmosphere, allowing the condenser to maintain a low temperature and pressure.
Operation of a Condenser
- The volume collapse of steam into water during condensation plays a crucial role in the operation of a condenser, as it allows the condenser to maintain a low pressure and enables the efficient heat transfer and condensation of steam.
- A condenser typically operates at a low pressure, usually below atmospheric pressure.
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