Heat Transfer Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the Low pressure drop Flexibility possible in the baffle arrangement High heat transfer co-efficient Less corrosion problems Low pressure drop Flexibility possible in the baffle arrangement High heat transfer co-efficient Less corrosion problems ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt Δt1/2 Δt5/4 Δt2 Δt Δt1/2 Δt5/4 Δt2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multipass heat exchangers are used Because of simplicity of fabrication To obtain higher heat transfer co-efficient and shorter tube To reduce the pressure drop For low heat load Because of simplicity of fabrication To obtain higher heat transfer co-efficient and shorter tube To reduce the pressure drop For low heat load ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the Temperature gradient produced due to density difference None of these Existence of thermal boundary layer Buoyancy of the bubbles produced at active nucleation site Temperature gradient produced due to density difference None of these Existence of thermal boundary layer Buoyancy of the bubbles produced at active nucleation site ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Small scale evaporation is done in a Heat exchanger Steam jacketed kettle Multiple effect evaporator Condenser Heat exchanger Steam jacketed kettle Multiple effect evaporator Condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Gases Solids Liquids Both solids & liquids Gases Solids Liquids Both solids & liquids ANSWER DOWNLOAD EXAMIANS APP
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