Download Aptitude Crack
img not found img not found

Heat Transfer Refrigeration and Air Conditioning

Q1: Kirchhoff's law states that

A the total radiation from a black body per second per unit area is directly proportional to the fourth power of the absolute temperature

B the wave length corresponding to the maximum energy is proportional to the absolute temperature

C the ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body

D none of the above

ANS:C - the ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body

Explanation: No answer description is available.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.