Heat Transfer In a shell and tube heat exchanger, floating head is used for Low pressure drop High heat transfer co-efficient Less corrosion of tubes Large temperature differentials Low pressure drop High heat transfer co-efficient Less corrosion of tubes Large temperature differentials ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T³ Q ∝ T² Q ∝ T⁴ None of these Q ∝ T³ Q ∝ T² Q ∝ T⁴ None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator unit Transfer from effect to effect is done by pumps No pump is required to withdraw the product from the last effect Viscosity of liquid is highest in first effect None of these Transfer from effect to effect is done by pumps No pump is required to withdraw the product from the last effect Viscosity of liquid is highest in first effect None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Mechanical strength of the equipment Heat transfer area Heat transfer co-efficient Temperature gradient Mechanical strength of the equipment Heat transfer area Heat transfer co-efficient Temperature gradient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Cummulatively decreases Cummulatively increases Remains constant And the surface conductance increase Cummulatively decreases Cummulatively increases Remains constant And the surface conductance increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor Decreases May increase or decrease ; depending on temperature Remains unchanged Increases Decreases May increase or decrease ; depending on temperature Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
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