Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. Equal to 0.6-0.8 times Twice 2 ft irrespective of (for column > 3 ft diameter) Equal to 0.6-0.8 times Twice 2 ft irrespective of (for column > 3 ft diameter) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In condenser, the cooling water is passed in the tube side in a pass arrangement, because It reduces heat transfer area Pressure drop is reduced More thinner tubes can be used It makes condenser compact It reduces heat transfer area Pressure drop is reduced More thinner tubes can be used It makes condenser compact ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap tray is the most commonly used tray in large distillation column, because Of its flexibility and nearly constant efficiency under varying conditions of operation It eliminates the foaming and entrain-ment tendency during operation It incurs less pressure drop as compared to any other try designed for the same duty None of these Of its flexibility and nearly constant efficiency under varying conditions of operation It eliminates the foaming and entrain-ment tendency during operation It incurs less pressure drop as compared to any other try designed for the same duty None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Higher Unpredictable Same Lower Higher Unpredictable Same Lower ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of the distillation column. If sufficient slot area is not provided, the gas may pass through the skirt clearance None of these Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles If sufficient slot area is not provided, the gas may pass through the skirt clearance None of these Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles 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 4 to 8 2 to 3 3 to 5 6 to 12 4 to 8 2 to 3 3 to 5 ANSWER DOWNLOAD EXAMIANS APP
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