Multiple Choice
Which of the following is generally considered as opaque surface towards radiations?
A) Gases
B) Solids
C) Liquids
D) Both (B) and (C)
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q17: When vaporisation takes place directly at the
Q18: The actual temperature drop across the heating
Q19: Extended heat transfer surface like fins are
Q20: Radiant energy received by a body is
Q21: With increase in porosity, the thermal conductivity
Q23: Thermal conductivity of a conducting solid material
Q24: Boiling point elevation of a solution of
Q25: Overall thermal resistance for conductive heat transfer
Q26: The outlet temperature of cooling water in
Q27: LMTD correction factor which is to be