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 1.8 None of these Decrease by 22 Increase by 21.6 Increase by 1.8 None of these Decrease by 22 Increase by 21.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be Less than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow More than that for fluid flow Less than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow More than that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from 0.01 to 1 1.5 to 2.5 10 to 20 5 to 10 0.01 to 1 1.5 to 2.5 10 to 20 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called Static submergence Skirt clearance Downcomer liquid seal None of these Static submergence Skirt clearance Downcomer liquid seal None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the Ultimate stress to working stress Ultimate stress to breaking stress None of these Working stress to ultimate stress Ultimate stress to working stress Ultimate stress to breaking stress None of these Working stress to ultimate stress ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? None of these Overall plate efficiency Murphree plate efficiency Point efficiency None of these Overall plate efficiency Murphree plate efficiency Point efficiency ANSWER DOWNLOAD EXAMIANS APP
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