37354. In sweetening process, solutizer agent used with caustic alkali is
37355. Sulphuric acid treatment of petroleum products removes the __________ materials.
37356. Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg.
37357. Which of the following processes consumes hydrogen ?
37358. Petroleum deposits are detected by the.
37359. Which of the following has the highest viscosity of all (at a given temperature) ?
37360. Older crude petroleum
37361. Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene ?
37362. Diesel index is defined as
37363. The condesate obtained on compression of wet natural gas is termed as
37364. Who discovered the neutron?
37365. Crude petroleum oil is a __________ fuel.
37366. Molecular weight of crude oil is in the range of
37367. Catalyst used in the isomerisation is
37368. Octane numbers of motor gasoline used in India and America are respectively
37369. Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'.
37370. Reid vapour pressure of gasoline is the measure of its
37371. Pick out the correct statement about catalytic polymerisation.
37372. High aniline point of diesel indicates that, it
37373. Boiling range of motor gasoline is an indication of the
37374. Performance number of a liquid fuel is related to its
37375. Naphtha yield in straight run distillation of crude oil may be about __________ percent.
37376. Mercapsol and Unisol processes are meant for the
37377. Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is
37378. Which of the following is the most suitable feed for platforming process (reforming) ?
37379. Solvent used in Edeleanu process is
37380. Naphthenic acid is represented by
37381. Name the endothermic reaction out of the following:
37382. Natural gasoline is produced
37383. The voltae of a simple voltaic cell is
37384. Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO2 extraction (Edeleanu process), its smoke point may become __________ mm.
37385. Petroleum coke is commercially produced by the __________ process.
37386. Crude oil produced by Indian oil fields are predominantly __________ in nature.
37387. In solutizer sweetening process, solutizer solution used is
37388. Which of the following contains maximum sulphur ?
37389. Hydrogen percentage (by weight) in crude petroleum may be about
37390. Which of the following is an additive used for improving the cetane number of diesel ?
37391. Tetra-ethyl lead is added in gasoline to
37392. The speed of electricity is
37393. Crude topping column operates at __________ pressure.
37394. Octane number (unleaded) of gasoline produced by isomerisation of butane may be about
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