Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is 120.36 2.36 4.36 Dependent on NRe only 120.36 2.36 4.36 Dependent on NRe only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Liquor-film co-efficient Velocity of circulation Both A and B Neither A and B Liquor-film co-efficient Velocity of circulation Both A and B Neither A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance May increase or decrease; depends on the solid Increases Remains unchanged Decreases May increase or decrease; depends on the solid Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution Both B and C In independent of pressure Increases rapidly with temperature rise Decreases rapidly with temperature rise Both B and C In independent of pressure Increases rapidly with temperature rise Decreases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Correction is applied to LMTD for __________ flow. Counter None of these Cross Parallel Counter None of these Cross Parallel ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is correct ? Driving force = Rate x Resistance Resistance = Driving force x Rate Rate = Resistance/Driving force Rate = Driving force x Resistance Driving force = Rate x Resistance Resistance = Driving force x Rate Rate = Resistance/Driving force Rate = Driving force x Resistance ANSWER DOWNLOAD EXAMIANS APP
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