Explore topic-wise MCQs in Heat Transfer.

This section includes 12 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.

Drying can take place by which of the following processes?

A. Radiation
B. Conduction
C. Convection
D. By any one or all the means simultaneously
Answer» E.
2.

Dryers particularly heat the feed by ____________

A. Direct methods
B. Indirect methods
C. Indirectly or Directly-heated.
D. Direct Fire contact
Answer» D. Direct Fire contact
3.

___________ drying would be chosen whenever large number of product have to be handled in the same unit.

A. Rotary dryer
B. Drum dryer
C. Continuous
D. Batch
Answer» E.
4.

___________ drying would be chosen whenever the production rate is small (under 200 kg/hr).

A. Rotary dryer
B. Drum dryer
C. Continuous
D. Batch
Answer» E.
5.

A _____________ dryer will require less labour, fuel and floor space than a __________ dryer of the same capacity.

A. Continuous, Batch
B. Batch, continuous
C. Packed, batch
D. Batch, packed
Answer» B. Batch, continuous
6.

Which one of the following is not a type of continuous drying method?

A. Circulated band dryer
B. Vibrated-band dryer
C. Fluidised Bed
D. Suction-drum dryer
Answer» D. Suction-drum dryer
7.

Drying methods can be classified as two processes, they are?

A. Batch and Continuous
B. Free falling and closed
C. Free and forced convection
D. Nucleate and non-nucleate heating
Answer» B. Free falling and closed
8.

Which one of the following is not a method of conveyance of feed?

A. Closed heap
B. Through-circulated heap
C. Cross-circulated layers on trays
D. Fluidized heap
Answer» B. Through-circulated heap
9.

Handling of awkward materials like loose fibres, which can tangle together, and very wet sticky feeds can be done by considering which one of the following factor?

A. The method of material conveyance through the drying section
B. The pressure and temperature of operation
C. Humidity of the atmosphere
D. The method of heating the material
Answer» B. The pressure and temperature of operation
10.

The method of conveyance of the feed through the dryer is not very important as a particular operation setup can handle all types of feed.

A. True
B. False
Answer» C.
11.

There are three principal factors that define the nature of a dryer, which one of the following is not?

A. The method of material conveyance through the drying section
B. The pressure and temperature of operation
C. Humidity of the atmosphere
D. The method of heating the material
Answer» D. The method of heating the material
12.

A dryer is an equipment used to remove ___________

A. Salt
B. Moisture
C. Fluids
D. Entrapped gases
Answer» C. Fluids