Question:
Which of the following is not a basic part of an evaporator?
Which of the following is not a basic part of an evaporator?
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To remember: Calandria, Vapour space, and Separators are the "heart" of the evaporator. The Barometric leg is an "accessory" used in the downstream condensation stage.
Updated On: Jul 4, 2026
- Calandria
- Vapour separator
- Entrainment separator
- Barometric leg
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The Correct Option is D
Solution and Explanation
Concept:
An evaporator is used to concentrate a liquid by boiling off the solvent.
• Basic parts are those required to transfer heat and separate phases.
• External auxiliary parts are used to maintain vacuum or handle discharge.
Step 1: Identifying internal heating components.
The Calandria is the heat exchanger section of the evaporator. It consists of tubes through which the product or steam passes.
Step 2: Identifying separation components.
The Vapour separator is essential to distinguish the evaporated steam from the liquid. The Entrainment separator prevents small liquid droplets from escaping with the vapor.
Step 3: Analyzing the auxiliary components.
The Barometric leg is part of the condenser system, not the evaporator body. It is used to create a vacuum by removing non-condensable gases and condensate. Final Answer: (D)
• Basic parts are those required to transfer heat and separate phases.
• External auxiliary parts are used to maintain vacuum or handle discharge.
Step 1: Identifying internal heating components.
The Calandria is the heat exchanger section of the evaporator. It consists of tubes through which the product or steam passes.
Step 2: Identifying separation components.
The Vapour separator is essential to distinguish the evaporated steam from the liquid. The Entrainment separator prevents small liquid droplets from escaping with the vapor.
Step 3: Analyzing the auxiliary components.
The Barometric leg is part of the condenser system, not the evaporator body. It is used to create a vacuum by removing non-condensable gases and condensate. Final Answer: (D)
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