Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l05 3 x l012 3 x l010 3 x l08 3 x l05 3 x l012 3 x l010 3 x l08 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the Capacity of the evaporator is increased Capacity of the evaporator is decreased Both B and C True temperature drop increases Capacity of the evaporator is increased Capacity of the evaporator is decreased Both B and C True temperature drop increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the most important factor on which the heat conducted through a wall in a unit time will depend on? Material of the wall Temperature difference between the two surfaces of the wall Thickness of the wall Area of the wall perpendicular to heat flow Material of the wall Temperature difference between the two surfaces of the wall Thickness of the wall Area of the wall perpendicular to heat flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer none of the listed here thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used when heat transfer area required is very low because it occupies less floor area because it is less costly when heat transfer area required is very high when heat transfer area required is very low because it occupies less floor area because it is less costly when heat transfer area required is very high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 0.5 80 1.5 1 0.5 80 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
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