Question:
In a multiple effect evaporator, the feed enters in which direction if the feed and steam flows are in the same direction?
In a multiple effect evaporator, the feed enters in which direction if the feed and steam flows are in the same direction?
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Forward feed: feed and steam in same direction.
Reverse feed: feed and steam in opposite direction.
Parallel feed: feed enters all effects simultaneously.
Reverse feed: feed and steam in opposite direction.
Parallel feed: feed enters all effects simultaneously.
Updated On: Aug 18, 2026
- Forward feed
- Parallel feed
- Mixed feed
- Reverse feed
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Multiple effect evaporators have different feeding arrangements.
The feed direction depends on the flow of steam.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the types of feed arrangements.
Step 3: Detailed Explanation:
In forward feed, the feed and steam flow in the same direction.
The feed enters the first effect and flows to subsequent effects.
In reverse feed, the feed flows opposite to the steam.
In parallel feed, the feed enters all effects simultaneously.
Mixed feed is a combination.
Thus, when feed and steam flow in the same direction, it is forward feed.
Step 4: Final Answer:
The feed enters in forward feed direction.
Hence, the correct option is (A).
Multiple effect evaporators have different feeding arrangements.
The feed direction depends on the flow of steam.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the types of feed arrangements.
Step 3: Detailed Explanation:
In forward feed, the feed and steam flow in the same direction.
The feed enters the first effect and flows to subsequent effects.
In reverse feed, the feed flows opposite to the steam.
In parallel feed, the feed enters all effects simultaneously.
Mixed feed is a combination.
Thus, when feed and steam flow in the same direction, it is forward feed.
Step 4: Final Answer:
The feed enters in forward feed direction.
Hence, the correct option is (A).
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