What is the slope of the operating line in the stripping section of a distillation column ?

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Which of the following is the best tube material from thermal conductivity point of view alone ?

A. Aluminium B. Stainless steel C. Copper D. Carbon steel...

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A. In practical operation, distillation towers having diameter 3-6 metres equipped with bubble cap (round) size of 15 cms are used B. Height of packing in a packed tower is about 3 times the column diameter for raschig rings and about 5 to 10 times the column diameter for saddle packing C. In a sieve … Pick out the wrong statement?Read More...

In a distillation column, minimum clearance to be maintained between the overflow weir and the last row of the bubble caps is ______________ cms?

A. 2.5 B. 7.5 C. 15 D. 20...

Pick out the wrong statement?

A. Safety valves are provided in heat exchangers for removal of non-condensable B. Liquid metals and Dowtherm are used for very high temperature heating C. In a shell and tube heat exchanger, high pressure fluid is generally routed through the tube D. A loop seal or U-seal is provided in a vertical condenser sub-cooler to … Pick out the wrong statement?Read More...

The wall thickness of thin cylindrical shell with hemispherical ends is ______________ that of the spherical ends?

A. Equal to B. More than C. Less than D. Either B. or C.; depends on maximum permissible internal pressure...