Petroleum Engineering Question:

Solvent used in the deasphalting process is

A. furfurol
B. phenol
C. propane
D. hexane

Option C

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Crude oil is pumped by a __________ pump. A. gear B. centrifugal C. screw D. reciprocating	A good lubricant should have high A. viscosity index B. volatility C. pour point D. none of these