Rotary driers are most economically designed for the number of heat transfer units (HTU) from _________________?

Related Mcqs:

In distillation columns, bubble caps are held in place over trays by ________________?

A. Rivets B. A hold down bar C. Bolts D. Both B. and C....

The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the_________________?

A. Equal sized reactors are the best B. Smaller reactor should come first C. Larger reactor should come first D. None of these...

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...

For a cylindrical vessel of moderate height, the weld joint efficiency for joints parallel to the cylindrical axis is given as 1.0; while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylindrical vessel, what value of weld joint efficiency should be used ?

A. 0.8 B. 0.9 C. 1.0 D. (0.8)0.5...

Pressure drop per tray in the atmospheric distillation column is about ________________ psi?

A. 0.01 – 0.5 B. 0.07 – 0.12 C. 0.5 – 1.0 D. 1 – 3...