A. Primary
B. Fossil
C. Both A. & B.
D. Secondary
A. Primary
B. Fossil
C. Both A. & B.
D. Secondary
A. Degree of refinement
B. Hydrocarbon content type (aromatic or paraffinic)
C. Ease of atomisation
D. Sulphur content
A. Propane & phenol-cresol mixture
B. Methyl ethyl ketone & glycol
C. Phenol & furfural
D. Propane & liquid sulphur dioxide
A. Catalytic cracking
B. Hydrocracking
C. Dehydrogeneration of Naphthene to produce aromatic
D. Catalytic polymerisation
A. 1-5 Kgf/cm2 & 200°C
B. 15-45 Kgf/cm2 & 450-550°C
C. 50 – 75 kgf/cm2 & 600 – 800°C
D. 5-10 kgf/cm2 & 150 – 250°C
A. Naphtha
B. Kerosene
C. Diesel
D. Lube oil
A. Leads to corrosion
B. Increases lead susceptibility
C. Decreases gum formation
D. Helps during stabilisation
A. Lower Reid vapour pressure
B. Higher acid number
C. Higher flash point and fire point
D. Lower flash point and fire point
A. 0.42 × (% distilled at 204°C)
B. 5 mm
C. 0.84 × (% distilled at 204°C)
D. 10 mm approximately
A. Determined by using a test engine
B. Not related to aniline point
C. Equal to cetane number plus 3
D. All A., B. & C.