201⟩ Isomerisation converts the __________ tot-paraffin's. A. paraffins B. olefins C. naphthenes D. none of these
Option A
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340 Petroleum Engineering Questions And Answers
202⟩ Doctor's solution used for sweetening of petroleum products is A. sodium plumbite B. sodium sulphite C. sodium thiosulphate D. lead sulphate
Option A
203⟩ Smoke point of kerosene expresses its A. burning characteristics. B. luminosity characteristics. C. aromatic content directly. D. lamp wick wetting characteristics.
Option A
204⟩ The characterization factor of a crude oil is calculated as 12.5. It means that; it is A. paraffinic B. naphthenic C. intermediate D. none of these
Option A
205⟩ Which of the following has the highest octane number? A. Aromatics B. i-paraffins C. Naphthenes D. Olefins E. n-paraffins
Option A
206⟩ Maximum use of petroleum coke is in A. adsorption refining operation. B. fuel gas manufacture. C. carbon electrode manufacture. D. iron ore reduction.
Option C
207⟩ Carbon/hydrogen ratio (by weight) is maximum (out of following) for A. gasoline B. kerosene C. light gas oil D. heavy fuel oil
Option A
208⟩ The catalytic cracking of heavier petroleum fraction is done to produce mainly A. gasoline B. asphalt C. diesel oil D. tar
Option C
209⟩ The most commonly used feed stock for the reforming reactor is A. heavy fuel oil B. residuum C. straight run gasdine D. casing head gasoline
Option C
210⟩ The doctor's solution comprises of sodium plumbite in A. alcohal B. water C. aqueous caustic soda D. soda ash
Option C
211⟩ Catalyst used in the catalytic cracking is A. silica-alumina B. silica gel C. vanadium pentoxide D. nickel
Option A
212⟩ Specific gravity of a petroleum product gives an indication of its A. degree of refinement. B. hydrocarbon content type (aromatic or paraffinic). C. ease of atomisation. D. sulphur content.
Option B
213⟩ Pick out the wrong statement. A. Aromatics have higher specific gravity than paraffins, B. Gross calorific value (GCV) of petrofuels is equal to (12400 - 2100 ρ2) where, ρ is the specific gravity of the fuel at 15.5°C. C. Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre). D. Higher specific gravity of petrofuels means higher C/H ratio.
Option C
214⟩ Which is the most effective catalyst used in catalytic cracking of petroleum products? A. Iron oxide B. Nickel C. Vanadium pentoxide D. Zeolite
Option D
215⟩ Choose the correct statement. A. Octane number of i-octane is zero. B. Octane number of paraffins increases with increasing number of carbon atoms. C. Branched chain paraffins have higher octane number than straight chain paraffins with same number of carbon atoms. D. The aromatics have lower octane number than naphthenes with same number of carbon atoms.
Option A
216⟩ Petroleum is believed to have originated from __________ sources. A. vegetable B. animal C. both (a) and (b) D. neither (a) nor (b)
Option C
217⟩ Which of the following has the lowest flash point of all? A. Diesel B. Kerosene C. Petrol D. Furnace oil
Option C
218⟩ Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of A. propane & butane B. butane & ethane C. methane & ethane D. methane & carbon monoxide
Option A
219⟩ Straight run petrol as compared to methyl/ethyl alcohol has A. lower calorific value. B. lower octane number. C. higher specific gravity. D. higher ignition temperature.
Option B
220⟩ Detergent is added as an additive in engine lubricating oil to A. reduce deposit formation. B. keep contaminants in suspension. C. increase oxidation stability. D. prevent rusting.
Option A
