37401. In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction
37402. Feedstock for polymerisation is
37403. Pick out the correct statement pertaining to catalytic cracking.
37404. Which of the following is a naphthene ?
37405. With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products
37406. Smoke point of a good burning kerosene may be around __________ mm.
37407. Increase in the specific gravity of petroleum products indicates
37408. Which of the following processes is used for the production of petroleum coke ?
37409. Quinoline is a/an __________ compound.
37410. Flash point of diesel/kerosene (>50°C) is determined by the
37411. Visbreaking
37412. Cetane number of alpha methyl naphthalene is assumed to be
37413. Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with
37414. LPG when brought to atmospheric pressure & temperature will be a
37415. The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to
37416. The order of preference for feedstock to a catalytic reformer is
37417. True vapour pressure of a petroleum fraction __________ Reid vapour pressure.
37418. Hydrocracking employs
37419. Sour crude means the __________ bearing crude.
37420. The main aim of cracking is to produce
37421. The general formula of naphthenes is
37422. 'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts.
37423. Which of the following has the highest flash point of all ?
37424. The characterisation factor of crude petroleum oil is around
37425. The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol.
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