Heat Transfer - Study Mode
[#96] Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place
Correct Answer
(B) Between two bodies not in physical contact with each other
[#97] At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical?
Correct Answer
(A) 1
[#98] A body is called grey if the monochromatic emissivity of the body is
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(C) Same for all wavelengths
[#99] Rate of crystallisation does not depend upon the
Correct Answer
(D) None of these
[#100] Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law.
Correct Answer
(C) Wien's