A. Paraffins
B. Olefins
C. Naphthenes
D. Aromatics
Related Mcqs:
- In catalytic cracking process, olefins crack ______________ times faster than in thermal cracking process?
A. 100
B. 200-300
C. 1000-10000
D. 10 - Which of the following has the lowest cetane number ?
A. Aromatics
B. i-paraffins
C. Naphthene
D. Olefins - Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners ?
A. PCM
B. Tar
C. Light diesel oil
D. Low viscosity furnace oil - Which of the following is desirable in diesel and kerosene but is undesirable in gasoline ?
A. Aromatics
B. Mercaptans
C. Paraffins
D. Naphthenic acid - Pick out the additive property of lube oil out of following ?
A. °API gravity
B. Specific gravity
C. Viscosity
D. Flashpoint - Which of the following gasoline (unleaded) has the least octane number ?
A. Catalytically cracked gasoline
B. Straight run gasoline
C. Catalytically reformed gasoline
D. Polymer gasoline - Which of the following factors does not govern the mechanism of petroleum formation from organic sources ?
A. pH of the soil
B. Bacterial action
C. Heat
D. Pressure - Which of the following is an additive used for improving the cetane number of diesel ?
A. Tetraethyl lead
B. Tetramethyllead
C. Ethyl nitrate or acetone
D. None of these - Which of the following is not a sulphur compound present in petroleum ?
A. Thiophenes
B. Mercaptans
C. Sulphones
D. Pyrroles - Which of the following has the highest viscosity of all (at a given temperature) ?
A. Naphtha
B. Fuel oil
C. Light diesel oil
D. Petrol
