37201. Deoiling is the process of removal of oil from wax. It is done by the __________ process.
37202. Smoke volatility index is equal to smoke point plus
37203. Mercaptans are added to liquefied petroleum gas (LPG) to
37204. Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is
37205. Doctor's solution used for sweetening of petroleum products is
37206. Smoke point of kerosene expresses its
37207. The characterisation factor of a crude oil is calculated as 12.5. It means that; it is
37208. Which of the following has the highest octane number ?
37209. Choose the correct statement.
37210. Which is the most effective catalyst used in catalytic cracking of petroleum products ?
37211. Maximum use of petroleum coke is in
37212. Carbon/hydrogen ratio (by weight) is maximum (out of following) for
37213. The catalytic cracking of heavier petroleum fraction is done to produce mainly
37214. Catalyst used in the catalytic cracking is
37215. Specific gravity of a petroleum product gives an indication of its
37216. The bending angle of the hard drawn bare copper conductor for Britannia joint should be
37217. The doctor's solution comprises of sodium plumbite in
37218. Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
37219. The most commonly used feed stock for the reforming reactor is
37220. Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency ?
37221. Petroleum is believed to have originated from __________ sources.
37222. Which of the following has the lowest flash point of all?
37223. Cetane number of high speed diesel must be ≥
37224. LSHS is a type of furnace oil, which
37225. Hydrofining is the most recent and effective method for the
37226. Isomerisation converts the __________ tot-paraffins.
37227. Straight run petrol as compared to methyl/ethyl alcohol has
37228. Crude oil is subjected to vacuum distillation in the last stage, because
37229. Operating temperature and pressure in catalytic reforming is about
37230. With increase in density, the viscosity of petroleum products
37231. Detergent is added as an additive in engine lubricating oil to
37232. Removal of light fractions from crude oil is called its
37233. The most efficient form of damping employed in electrical instrument is
37234. 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.
37235. A petroleum well is called 'dry', if it contains
37236. Aniline point is the
37237. Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm2 .
37238. Petroleum
37239. The best method of determining sulphur in crude oil is by the __________ method.
37240. Catalyst used in alkylation process is
37241. __________ base crude oil is also called asphaltic crude.
37242. Platforming is a __________ process.
37243. Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.
37244. Aniline point is the temperature at which
37245. The reactance offered by a capacitor to alternating current of frequency of 50Hz is 10 Ohm if frequency is increased to 100 Hz the reactance becomes---------Ohm.
37246. Sweetening of petroleum product means the removal of
37247. Reforming
37248. Which of the following has maximum hydrogen/carbon ratio (by weight) ?
37249. Pyrolysis of kerosene or natural gasoline is done to produce mainly the
37250. Which of the following fractions of petroleum contains maximum sulphur ?
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