Multiple Choice
Gases have poor
A) Absorptivity
B) Transmissivity
C) Reflectivity
D) Reflectivity + absorptivity
E) Absorptivity + transmissivity
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q11: The quantity of heat required to change
Q12: A black body absorbs all radiations. As
Q13: The value of the wavelength for maximum
Q14: A non-dimensional number generally associated with natural
Q15: The material preferred for the fabrication of
Q17: The unit of thermal diffusivity is<br>A)m<sup>2</sup>/hr°C<br>B)m<sup>2</sup>/hr<br>C)m/hr°C<br>D)kcal/m<sup>2</sup>-hr<br>E)m/hr
Q18: A body which transmits all the radiations
Q19: The process of removal of oil from
Q20: Unsteady state of heat flow occurs in<br>A)Flow
Q21: Prandtl number for liquid metals is generally