Explore topic-wise MCQs in Heat Transfer.

This section includes 6 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.

In convection from the tip what is the value of correction length?

A. L <sub>C</sub> = A <sub>C</sub>/P
B. L <sub>C</sub> = L + A <sub>C</sub>
C. L <sub>C</sub> = L + P
D. L <sub>C</sub> = L + A <sub>C</sub>/P
Answer» E.
Discussion
2.

Which one is true for the spine?

A. A <sub>C</sub> = d <sup>2</sup>/4 and P = 4 d
B. A <sub>C</sub> = d <sup>2</sup>/4 and P = 3 d
C. A <sub>C</sub> = d <sup>2</sup>/4 and P = d
D. A <sub>C</sub> = d <sup>2</sup>/4 and P = 2 d
Answer» D. A <sub>C</sub> = d <sup>2</sup>/4 and P = 2 d
Discussion
3.

Find the value of corrected length for rectangular fin?Where, b is width and t is length of the fin

A. L <sub>C </sub>= L + b t/2 (b + t)
B. L <sub>C </sub>= L + b t/ (b + t)
C. L <sub>C </sub>= L + 2 (b + t)
D. L <sub>C </sub>= L + b t
Answer» B. L <sub>C </sub>= L + b t/ (b + t)
Discussion
4.

For steady flow of heat along a rod, the general equation isd2 /dx 2 m 2 = 0

A. nThe value of constant m is
B. (h P/k A <sub>C</sub>)
C. (h P/k A <sub>C</sub>) <sup>3/2</sup>
D. (h P/k A <sub>C</sub>) <sup>1/2</sup>
E. (h P/k A <sub>C</sub>) <sup>2</sup>
Answer» D. (h P/k A <sub>C</sub>) <sup>1/2</sup>
Discussion
5.

If heat conducted into the element at plane x is Q X = k A C (d t/d x) X. Then heat conducted out of the element at plane (x + d x) is

A. 2k A <sub>C</sub> d/d x (t + d t/d x (d x))
B. k A <sub>C</sub> d/d x (t + d t/d x (d x))
C. 3k A <sub>C</sub> d/d x (t + d t/d x (d x))
D. 4k A <sub>C</sub> d/d x (t + d t/d x (d x))
Answer» C. 3k A <sub>C</sub> d/d x (t + d t/d x (d x))
Discussion
6.

Which one is true regarding rectangular fin?

A. A <sub>C</sub> = b and P = 2(b + )
B. A <sub>C</sub> = 2 b and P = 2(b + )
C. A <sub>C</sub> = 3 b and P = 2(b + )
D. A <sub>C</sub> = 4 b and P = 2(b + )
Answer» B. A <sub>C</sub> = 2 b and P = 2(b + )
Discussion