Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 2.5 to 4.0 0.5 to 1.5 5 to 10 10 to 15 2.5 to 4.0 0.5 to 1.5 5 to 10 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 650 750 250 450 650 750 250 450 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 6 to 12 2 to 3 3 to 5 4 to 8 6 to 12 2 to 3 3 to 5 4 to 8 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/E E E/σ Σ Σ/E E E/σ Σ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. Low viscosity High specific heat Low corrosiveness Low dirt factor Low viscosity High specific heat Low corrosiveness Low dirt factor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube? Horizontal tube evaporator Short tube vertical evaporator Long tube vertical evaporator None of these Horizontal tube evaporator Short tube vertical evaporator Long tube vertical evaporator None of these ANSWER DOWNLOAD EXAMIANS APP
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