Heat Transfer - Study Mode
[#331] When the ratio of the Grashoff number and to the square of Reynolds number is one, the dominant mechanism of heat transfer is
Correct Answer
(C) Mixed convection (both free and forced)
[#332] With increase in temperature, the thermal conductivity of non-metallic amorphous solids
Correct Answer
(B) Increases
[#333] What is the thermal conductivity of a perfect heat insulator?
Correct Answer
(A) Zero
[#334] A __________ evaporator employs an annular downtake.
Correct Answer
(A) Basket type
[#335] During crystallisation, formation of crystal can occur in __________ solution only.
Correct Answer
(B) Supersaturated