Petroleum Engineering Question: Crude oil is pumped by a __________ pump. A. gear B. centrifugal C. screw D. reciprocating Petroleum Engineering Interview QuestionAnswer: Option B Previous QuestionNext QuestionOperating condition in the electrical dehydrators for crude oil is about A. 6.5 kgf/Cm2 & 95°C. B. 1 atm. & 110 °C. C. 20 kgf/cm2 & 110°C. D. 50 atm. and 150°C.Solvent used in the deasphalting process is A. furfurol B. phenol C. propane D. hexane