Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of None of these 20.8 2 20.2 None of these 20.8 2 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Remains constant Increases very rapidly Decreases very rapidly Increases linearly Remains constant Increases very rapidly Decreases very rapidly Increases linearly ANSWER DOWNLOAD EXAMIANS APP
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 10 to 15 5 to 10 2.5 to 4.0 0.5 to 1.5 10 to 15 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum economic pipe diameter for fluid flow is determined by the None of these Total cost considerations (pumping cost plus fixed cost of the pipe) Density of the fluid Viscosity of the fluid None of these Total cost considerations (pumping cost plus fixed cost of the pipe) Density of the fluid Viscosity of the fluid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required None of these Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For identical situation, condensing film coefficient in case of a horizontal condenser is almost __________ the value expected in case of vertical condenser. Twice Thrice Half Five times Twice Thrice Half Five times ANSWER DOWNLOAD EXAMIANS APP
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