Heat Transfer Operations Mock Test 9

1. In a drum dryer, the thickness of the slurry layer cannot be controlled.

2. Which one of the following is not a batch dryer?

3. Dryers heated by dielectric, radiant or microwave energy are _______________

4. The atmospheric __________ has a jacketed round pan in which a stirrer or mill revolves slowly, driven from below.

5. The moisture contents of solid when it is in equilibrium with given partial pressure of vapour in gas phase is called as _____________

6. What is the term V in the Kelvin equation?

7. Name the following region of the drying curve.

8. Which one of the following batch-drying equipment can also be used as a crystallizer by passing cold liquid?

9. In fluidised-bed dryers, a separate component is provided in which the solids move sequentially from the inlet to outlet, such setup is known as ______________ where the residence time is more or less the same for all particles in that compartment.

10. Moisture isotherms are normally _________ in shape when plotted over the whole relative humidity range.