Explore topic-wise MCQs in Heat Transfer.

This section includes 3 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.

Consider a beam of monochromatic radiation at wavelength that enters a layer of absorbing gas. As the beam passes through the gas layer, its intensity is given by

A. d I <sub> X </sub>= K <sub> </sub>I <sub> X</sub> d x
B. d I <sub> X </sub>= 2 K <sub> </sub>I <sub> X</sub> d x
C. d I <sub> X </sub>= 3 K <sub> </sub>I <sub> X</sub> d x
D. d I <sub> X </sub>= 4 K <sub> </sub>I <sub> X</sub> d x
Answer» B. d I <sub> X </sub>= 2 K <sub> </sub>I <sub> X</sub> d x
Discussion
2.

Which one of the following is not extremely inert to thermal radiation?

A. Orgon
B. Oxygen
C. Methane
D. Nitrogen
Answer» D. Nitrogen
Discussion
3.

Consider a beam of monochromatic radiation at wavelength that enters a layer of absorbing gas. As the beam passes through the gas layer, its intensity

A. Decreases
B. Increases
C. Become twice
D. Remains same
Answer» B. Increases
Discussion