⟩ Dearomatisation 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.
Option B
Option B
Diesel index is defined as A. (°API) x (Aniline Point, °F)/100 B. (°API) x (Aniline Point, °C)/100 C. (°API) x (100)/Aniline Point, °F D. (°API) x (100)/Aniline Point, °C
Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene? A. Reforming B. Pyrolysis C. Alkylation D. Hydrocracking
Molecular weight of crude oil is in the range of A. 100-120 B. 230-250 C. 450-550 D. 600-850
Crude petroleum oil is a __________ fuel. A. primary B. fossil C. both (a) & (b) D. secondary
Pick out the correct statement. A. Paraffins have higher octane number than corresponding iso-paraffin. B. Paraffins have lower smoke point than aromatics. C. Suitability of kerosene as a fuel & as an illuminant may be determined by char value test. D. Aviation fuel should have very high cloud point.
Octane numbers of motor gasoline used in India and America are respectively A. 87 & 94 B. 94 && 87 C. 94 && 100 D. 83 && 100
Catalyst used in the isomerisation is A. aluminium chloride B. alumina C. nickel D. phosphoric acid
Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'. A. 1 B. 5 C. 15 D. 25
Pick out the correct statement about catalytic polymerisation. A. H2SO4 polymerisation process gives gasoline rich in unsaturates. B. In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive. C. both (a) and (b) D. neither (a) nor (b)
Reid vapour pressure of gasoline is the measure of its A. pour point B. cloud point C. vapour locking tendency D. carbon residue