Multiple Choice
A body is called grey if the monochromatic emissivity of the body is
A) Zero
B) Unity
C) Same for all wavelengths
D) Different for all wavelengths
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q39: Electro-magnetic spectrum range, which is important for
Q40: The variation of thermal conductivity of a
Q41: In the free convection regime of pool
Q42: In forced convection, the Nusselt number is
Q43: In forced convection, the heat transfer depends
Q45: Which of the following parameters is increased
Q46: Economy of a multiple effect evaporator depends
Q47: Air is to be heated by condensing
Q48: The Stefan-Boltzmann constant depends on the<br>A)Medium<br>B)Temperature<br>C)Surface<br>D)None of
Q49: The unit of heat transfer co-efficient is<br>A)BTU/hr.