A. Olefins
B. Naphthenes
C. Both A. and B.
D. Neither A. nor B.
Related Mcqs:
- The general formula of naphthenes is___________________?
A. CnH2n + 2
B. CnH2n-6 (where, n ≥ 6)
C. CnHn-4
D. Same as that for olefins i.e. CnH2n - Catalyst used in isomerisation process is __________________ ?
A. H2SO4
B. H3PO4
C. HF
D. AlCl3 - Which of the following has the highest flash point of all ?
A. Diesel
B. Kerosene
C. Petrol
D. Furnace oil - Waxes present in petroleum products_________________?
A. Can be separated out by distillation
B. Are not soluble in them
C. Crystallise out at low temperature
D. Decrease their viscosity - Water separometer index (modified) (WSIM) of a petrofuel is the measure of its____________________?
A. Emulsification tendency
B. Water separation characteristics
C. Water content
D. Water absorbing capacity from atmosphere - Pick out the correct statement pertaining to catalytic cracking ?
A. With increase in the reactor pressure, octane number of gasoline decreases
B. With increase in the reactor temperature, gasoline yield decreases for a given conversion
C. Percentage conversion increases with increase in the catalyst to oil ratio
D. All A., B. and C. - Which of the following petroleum products contain minimum sulphur ?
A. Naphtha
B. Kerosene
C. LSHS
D. Furnace oil - Cetane number of high speed diesel must be ≥_________________?
A. 30
B. 45
C. 75
D. 95 - Choose the correct statement?
A. Coking tendency increases with increasing molecular weight
B. Coking tendency decreases with increasing molecular weight
C. Higher pressure enhances coke formation
D. Coking is an exothermic reaction - Solution used in Doctor’s treatment for the removal of mercaptans is_________________?
A. Sodium hydroxide
B. Sodium plumbite
C. Cupric chloride
D. Potassium isobutyrate
