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). 450 650 750 250 450 650 750 250 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid Is of high specific gravity Is highly viscous Containing suspended solids flows at low velocity Containing suspended solids flows at high velocity Is of high specific gravity Is highly viscous Containing suspended solids flows at low velocity Containing suspended solids flows at high velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. Low corrosiveness Low viscosity High specific heat Low dirt factor Low corrosiveness Low viscosity High specific heat Low dirt factor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Vertical condenser is advantageous to the horizontal condenser from operation point of view, when Hydrostatic head is required for refluxing the condensate Sub cooling of condensate is desired Both the functions of condensation & sub cooling are carried out in a single unit Only the function of condensation is to be carried out Hydrostatic head is required for refluxing the condensate Sub cooling of condensate is desired Both the functions of condensation & sub cooling are carried out in a single unit Only the function of condensation is to be carried out ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 21.6 Decrease by 22 None of these Increase by 1.8 Increase by 21.6 Decrease by 22 None of these Increase by 1.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shortest distance between two tubes is Called tube clearance None of these More in case of triangular pitch as compared to square pitch of tube layout Called tube pitch Called tube clearance None of these More in case of triangular pitch as compared to square pitch of tube layout Called tube pitch ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS