Explore topic-wise MCQs in Heat Transfer.

This section includes 5 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.

For the same amount of fabrication material and same inside capacity, the heat loss is lowest in

A. Sphere
B. Cylinder
C. Rectangle
D. Cube
Answer» C. Rectangle
Discussion
2.

For the same material and same temperature difference, the heat flow in terms of shape factor is given by

A. S k d t
B. k d t/S
C. 2S k/d t
D. 2S/3
Answer» B. k d t/S
Discussion
3.

The shape factor for complete rectangular furnace is
Where a, b and c are the inside dimensions and d x is the wall thickness

A. 2/ d x (a b + b c + c a) + 4 (0.64) (a + b +c) + 8 (0.45) d x
B. 2/ d x (a b + b c + c a) + 4 (0.44) (a + b +c) + 8 (0.35) d x
C. 2/ d x (a b + b c + c a) + 4 (0.34) (a + b +c) + 8 (0.25) d x
D. 2/ d x (a b + b c + c a) + 4 (0.54) (a + b +c) + 8 (0.15) d x
Answer» E.
Discussion
4.

All the factors relating to the geometry of the sections are grouped together into a multiple constant called the shape factor .

A. True
B. False
Answer» C.
Discussion
5.

What is the shape factor for a hemispherical bowl with respect to itself of diameter d? The cavity is closed on its outer surface with a flat plate

A. 1.5
B. 1
C. 0.5
D. 2.5
Answer» D. 2.5
Discussion