Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Decrease by 22 Remain unchanged Increase by 1.8 times Increase by 216 Decrease by 22 Remain unchanged Increase by 1.8 times Increase by 216 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. Sub-cooled Film Saturated nucleate None of these Sub-cooled Film Saturated nucleate None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 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 First decrease and then increase Increase Decrease First increase and then decrease First decrease and then increase Increase Decrease First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, The relationship is not generalised The temperature drop is inversely proportional to the resistance across which the drop occurs There is no relationship between temperature drop and resistance The temperature drops in the two fluids and the wall are proportional to individual resistances The relationship is not generalised The temperature drop is inversely proportional to the resistance across which the drop occurs There is no relationship between temperature drop and resistance The temperature drops in the two fluids and the wall are proportional to individual resistances ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing Should be less than one fifth the diameter of the shell None of these Is not the same as baffle pitch Should be less than the inside diameter of the shell Should be less than one fifth the diameter of the shell None of these Is not the same as baffle pitch Should be less than the inside diameter of the shell ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt2 Δt1/2 Δt5/4 Δt Δt2 Δt1/2 Δt5/4 Δt ANSWER DOWNLOAD EXAMIANS APP
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