Petroleum Engineering Question:

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Pick out the undesirable property for a solvent meant for dewaxing of lube oil.

A. Complete miscibility with oil.
B. High solubility of wax in the solvent.
C. Both (a) and (b).
D. Neither (a) nor (b).

Petroleum Engineering Interview Question
Petroleum Engineering Interview Question

Answer:

Option C

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Which of the following is used as a catalyst in fluidised bed catalytic cracking?

A. Silica-magnesia
B. Silica-alumina
C. Bentonite clays
D. All (a), (b) and (c)		Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.

A. n-paraffins
B. olefins
C. aromatics
D. none of these