Heat Transfer - Study Mode
[#211] Electro-magnetic spectrum range, which is important for radiation varies from __________ microns.
Correct Answer
(B) 0.5 to 50
[#212] Which of the following has the lowest Prandtl number?
Correct Answer
(A) Molten sodium (a coolant used in fast breeder reactor)
[#213] Which has the lowest Prandtl number?
Correct Answer
(A) Liquid metal
[#214] For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would
Correct Answer
(D) First increase and then decrease
[#215] For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone.
Correct Answer
(C) High