Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Gives a lower shell side pressure drop Can pack more surface area into a shell of given diameter Gives a higher shell side pressure drop None of these Gives a lower shell side pressure drop Can pack more surface area into a shell of given diameter Gives a higher shell side pressure drop None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Both B and C Having the value of Ao/Ai > 2 Thick walled Thin walled having the value of Ao Ai/< 2 Both B and C Having the value of Ao/Ai > 2 Thick walled Thin walled having the value of Ao Ai/< 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of evaporators, liquid entrainment results primarily due to high heat transfer rate foaming of the solution high vacuum in the evaporator high heat transfer rate high heat transfer rate foaming of the solution high vacuum in the evaporator high heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low Hardness All of these Suspended solids content Dissolved soilds content Hardness All of these Suspended solids content Dissolved soilds content ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will Increase Decrease Remain unchanged Either increase or decrease; depends on the coolant flow rate Increase Decrease Remain unchanged Either increase or decrease; depends on the coolant flow rate 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? Area of the wall perpendicular to heat flow Temperature difference between the two surfaces of the wall Thickness of the wall Material of the wall Area of the wall perpendicular to heat flow Temperature difference between the two surfaces of the wall Thickness of the wall Material of the wall ANSWER DOWNLOAD EXAMIANS APP
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