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131901 Pages: 3

Write the working of Bomb calorimeter for the determination of calorific value (10)
of a solid fuel with the help of a neat diagram.

OR
With the help of a neat labelled diagram, describe the fractional distillation ” (5)

crude petroleum and name the various products obtained.

What are the major characteristics required for a good lubricating oil? (5)

Explain the working of trickling filter process with a neat labelled sketch. (6)

How is exhausted resins regenerated in an ion-exchange method? (4)
OR

Explain reverse osmosis with a labelled figure and mention its advantages and (6)

disadvantages.

Discuss the ion-exchange process of softening of water. (4)
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