Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Cross-partition rings All of these Raschig rings Lessig rings Cross-partition rings All of these Raschig rings Lessig rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a heat exchanger, shell side fluid velocity can be changed by changing the tube Layout Neither A nor B Both A & B Pitch Layout Neither A nor B Both A & B Pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a long tube vertical evaporator. Liquor level is maintained at l/3rd to 1/2 of the height of the tube Tube dia is 3-6 cms, while tube length in 3-6 metres None of these Steam is fed to the shell, whereas the liquor is filled inside the tube Liquor level is maintained at l/3rd to 1/2 of the height of the tube Tube dia is 3-6 cms, while tube length in 3-6 metres None of these Steam is fed to the shell, whereas the liquor is filled inside the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The retention time of material in a rotary dryer depends upon its Flights arrangement All of these Rpm Slope & length Flights arrangement All of these Rpm Slope & length ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference Is always less than arithmetic average value Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic mean value, but more than geometric mean value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always less than arithmetic average value Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic mean value, but more than geometric mean value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) Σ Σ/E E E/σ Σ Σ/E E E/σ ANSWER DOWNLOAD EXAMIANS APP
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