The most widely used crude topping column in refineries is the ______________ column?

Related Mcqs:

1. Crude topping column operates at ________________ pressure?

   A. Atmospheric B. 10 atm C. Vacuum D. 3 atm...

2. Crude oil is transported inland from oil field to refineries, mainly by the _____________________?

   A. Road tankers B. Rail tankers C. Underground pipelines D. None of these...

3. Which of the following is the most widely used cracking process in oil refineries ?

   A. Dubbs process B. T.C.C. moving bed process C. Fluidised bed catalytic cracking process D. Houdry’s fixed bed process...

4. Paraffin base crude oil as compared to asphalt base crude gives___________________?

   A. Higher yield of straight run gasoline B. Higher octane number gasoline C. Lower viscosity index lube oil D. Poorer yield of lube oil...

5. Sour crude means the ________________ bearing crude?

   A. Asphalt B. Sulphur compounds C. Wax D. Nitrogen compounds...

6. During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) ________________ with increase in the amount of water?

   A. Decreases B. Increases C. Remains unchanged D. Decreases linearly...

7. _____________ base crude oil is also called asphaltic crude?

   A. Paraffinic B. Naphthenic C. Mixed D. Aromatic...

8. Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?

   A. 1 B. 5 C. 15 D. 25...

9. The coking process normally mostly used in Indian oil refineries is the ____________________ coking process ?

   A. Delayed B. Flexi C. Fluid D. Contact...

10. Products drawn from the top to bottom of the crude oil distillation column has progressively increasing ___________________?

    A. Boiling points B. Molecular weight C. C/H ratio D. All A., B. and C....