Heat Transfer For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it Decreases the pressure drop Decreases the outlet temperature of cooling medium None of these Increases the overall heat transfer coefficient Decreases the pressure drop Decreases the outlet temperature of cooling medium None of these Increases the overall heat transfer coefficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Saturated Local Nucleate Pool Saturated Local Nucleate Pool ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the Solution has an elevation of boiling point Evaporators opreate at atmospheric pressure Evaporators operate under vacuum None of these Solution has an elevation of boiling point Evaporators opreate at atmospheric pressure Evaporators operate under vacuum None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Stefan-Boltzman constant Heat transfer co-efficient Thermal conductivity Thermal diffusivity Stefan-Boltzman constant Heat transfer co-efficient Thermal conductivity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator unit Viscosity of liquid is highest in first effect None of these No pump is required to withdraw the product from the last effect Transfer from effect to effect is done by pumps Viscosity of liquid is highest in first effect None of these No pump is required to withdraw the product from the last effect Transfer from effect to effect is done by pumps ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. Viscous Inertial None of these Elastic Viscous Inertial None of these Elastic ANSWER DOWNLOAD EXAMIANS APP
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