Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Black paint Grey paint White paint Yellow paint Black paint Grey paint White paint Yellow paint 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 Either increase or decrease; depends on the coolant flow rate Decrease Remain unchanged Increase Either increase or decrease; depends on the coolant flow rate Decrease Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used In low range of temperature differences In high range of temperature differences Because of its low cost To prevent corrosion of the tube bundles In low range of temperature differences In high range of temperature differences Because of its low cost To prevent corrosion of the tube bundles ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = 2Gz0.5 Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = 2Gz0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Nu, Gz Re.Gz Nu, Pr, Re Nu, Pr Nu, Gz Re.Gz Nu, Pr, Re Nu, Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.) d d1.5 √d d2 d d1.5 √d d2 ANSWER DOWNLOAD EXAMIANS APP
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