A. 1
B. 20
C. 100
D. 500
Related Mcqs:
- Smoke point of a good burning kerosene may be around _______________ mm?
A. 0-5
B. 20-25
C. 60-75
D. 100-120 - 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 - Good quality kerosene should have__________________?
A. Low smoke point
B. High smoke point
C. High aromatics content
D. Low paraffins content - Which is the most desirable component of a good quality kerosene ?
A. i-paraffins
B. Aromatics
C. n-paraffins
D. Naphthenes - A typical yield of kerosene in straight run distillation of crude oil may be about __________________ percent?
A. 4
B. 10
C. 18
D. 26 - 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 - Highest quality bitumen is produced from the __________________ crude oil?
A. Paraffinic
B. Naphthenic
C. Intermediate
D. Mixed - ____________ is not an important refinery process for upgrading the quality of lubricating oil ?
A. Deoiling
B. Solvent refining
C. Clay treatment
D. Hydro-treatment - Which of the following is desirable in diesel and kerosene but is undesirable in gasoline ?
A. Aromatics
B. Mercaptans
C. Paraffins
D. Naphthenic acid - Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to________________?
A. Increase its smoke point
B. Improve its oxidation stability
C. Decrease the breathing loss
D. None of these
