Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) ?

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Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger ?

A. 75% cut segmental baffle B. 25% cut segmental baffle C. Orifice baffle D. Disk and doughnut baffle...

The most common standard size of bubble caps used in industrial operation is___________________?

A. 1″ dia cap with 0.5″ dia riser B. 6″ dia cap with 4″ dia riser C. 8″ dia cap with 1″ dia riser D. 4″ dia cap with 8″ dia riser...

In case of a continuous distillation column, increase in reflux ratio may result in the______________?

A. Lower fixed charges for the column B. Greater cost for the reboiler heat supply C. Greater cost for the condenser coolant D. All A., B. and C....

An under-designed steam trap will___________________?

A. Waste steam B. Destroy itself of acceleration wear due to rapid recycling C. Back up condensate and cause water hammer in steam line D. None of these...

Pick out the wrong statement pertaining to the design of a basket type evaporator ?

A. It is used for high viscosity liquor having large rate of scaling B. The tube bundle is suspended on bracket C. There is no central downtake D. Downtake is formed by the annular space between the bundle and the shell...