Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the All of these Depth of liquid over heating surface Pressure difference between steam chest and vapour space Feed All of these Depth of liquid over heating surface Pressure difference between steam chest and vapour space Feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation accounts for Lower operating costs None of these Investment economy Steam economy Lower operating costs None of these Investment economy Steam economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 2 √(A₁ . A₂) √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator unit 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 Viscosity of liquid is highest in first effect None of these No pump is required to withdraw the product from the last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is Uniformly distributed throughout the fluid None of these Mainly confined to a thin film of fluid near the surface In the central core of the fluid Uniformly distributed throughout the fluid None of these Mainly confined to a thin film of fluid near the surface In the central core of the fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporation by thermocompression results in the Realisation of multiple effect economy in a single effect Both A and B Saving of steam None of these Realisation of multiple effect economy in a single effect Both A and B Saving of steam None of these ANSWER DOWNLOAD EXAMIANS APP
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