Heat Transfer - Study Mode
[#136] Which of the following has the minimum absorptivity?
Correct Answer
(A) Aluminium foil
[#137] The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.
Correct Answer
(B) Lower than
[#138] The driving potential for the crystal growth during crystallisation is the __________ of the solution.
Correct Answer
(C) Super-saturation
[#139] For what value of Prandtl number, the Col-burn analogy is valid?
Correct Answer
(B) 0.6 to 120
[#140] With increase in temperature, the total emissivity of conductors
Correct Answer
(A) Increases