Explore topic-wise MCQs in Heat Transfer.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer knowledge and support exam preparation. Choose a topic below to get started.

1.

Which evaporator uses the maximum number of pumps for its operation?

A. Forward feed
B. Backward feed
C. Parallel feed
D. Mixed feed
Answer» C. Parallel feed
2.

For mass balance in the forward pass evaporator, select the correct option.

A. F = E3 + P3
B. F = E1 + E2 + E3 + P3
C. F = P1 + P2 + P3
D. F = E1 + E2 + E3 + P1 + P2 + P3
Answer» C. F = P1 + P2 + P3
3.

The product concentration in a backward feed evaporator _________ as we move to successive evaporators.

A. Increases
B. Decreases
C. Remains same
D. Is different for each
Answer» C. Remains same
4.

The product concentration in a forward feed evaporator _________ as we move to successive evaporators.

A. Increases
B. Decreases
C. Remains same
D. Is different for each
Answer» B. Decreases
5.

What is the name of the following evaporator? Recognize the type of feed.

A. Forward feed
B. Backward feed
C. Convoluted feed
D. Mixed feed
Answer» C. Convoluted feed
6.

Why do we use more than one type of feeding in an evaporator?

A. To increase the feed efficiency
B. To increase the efficiency of the steam used
C. To decrease the steam consumption per unit mass of feed
D. To increase the steam consumption per unit mass of feed
Answer» D. To increase the steam consumption per unit mass of feed
7.

Parallel feed is almost the same as forward feed in an evaporator.

A. True
B. False
Answer» C.
8.

Which one of the following is not a type of feeding in an evaporator?

A. Forward feed
B. Backward feed
C. Convoluted feed
D. Mixed feed
Answer» D. Mixed feed
9.

What do we mean by types of feeding in an evaporator?

A. Total number of different types of feed available
B. Types of steam temperature applied
C. Types of recycle feed applied
D. Types of product extracted
Answer» D. Types of product extracted