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

Related Mcqs:

For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell_________________?

A. Decreases upwards B. Increases upwards C. Remains same throughout D. May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell...

Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effects in evaporation ?

A. Increases capacity B. Increases economy C. Does not affect the capacity D. Both B. & C....

Normally, the length to diameter ratio of rotary dryers varies from 4 to 10 and for its economic operation; the number of transfer units (NTU) for such dryers varies from ?

A. 1.5-2.5 B. 3.5-5.5 C. 7.5-10.0 D. 10-15...

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...

The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally _____________ the tube wall thickness?

A. Equal to B. Twice C. Four times D. Half...