chemical engineering petroleum refinery engineering MCQs – Page 11

Practise multiple-choice questions from chemical engineering petroleum refinery engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering petroleum refinery engineering Mcqs

201. The main use of heavy gas oil produced by the vacuum distillation unit is as a_____________________?
0

A. Blending component for kerosene

B. None of these

C. Blending component for petrol

D. Feedstock for fluid catalytic cracking unit

202. Catalyst used in isomerisation process is __________________ ?
0

A. AlCl3

B. H2SO4

C. HF

D. H3PO4

203. Name the hydrocarbon having the poorest oxidation stability ?
0

A. Naphthene

B. Aromatics

C. Paraffin

D. Olefin

204. Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has__________________?
0

A. High self-ignition temperature

B. High pour point and low smoke point

C. Low viscosity index

D. All A., B. and C.

205. Petroleum ________________ ?
0

A. Constitutes mainly of olefins

B. Does not contain asphalt

C. Is optically active

D. Does not contain aromatics

206. Which of the following tests is not done for transformer oil ?
0

A. Copper strip corrosion test

B. Flash point and acid value

C. Dielectric strength

D. Aniline point

207. Which of the following has the highest viscosity of all (at a given temperature) ?
0

A. Fuel oil

B. Naphtha

C. Light diesel oil

D. Petrol

208. Ethyl mercaptan is a/an ___________________ compound?
0

A. Oxygen

B. None of these

C. Sulphur

D. Nitrogen

209. Solvent used in the deasphalting process is ______________________?
0

A. Furfural

B. Hexane

C. Propane

D. Phenol

210. Pick out the undesirable property for a solvent meant for dewaxing of lube oil ?
0

A. Complete miscibility with oil

B. High solubility of wax in the solvent

C. Both A. and B.

D. Neither A. nor B.

211. Research octane number refers to the___________________?
0

A. Unleaded motor fuels

B. Low octane number motor fuels

C. High octane number motor fuels

D. High octane number aviation fuels

212. LPG when brought to atmospheric pressure & temperature will be a________________?
0

A. Liquid lighter than water

B. Gas heavier than air

C. Gas lighter than air

D. Liquid heavier than water

213. Tanks used for the storage of petroleum products (which are inflammable) should be painted with a ______________ paint?
0

A. Yellow

B. Black

C. Red

D. White

214. Which of the following gasoline (unleaded) has the least octane number ?
0

A. Catalytically reformed gasoline

B. Polymer gasoline

C. Straight run gasoline

D. Catalytically cracked gasoline

215. The order of preference for feedstock to a catalytic reformer is _________________ ?
0

A. Virgin naphtha catalytic naphtha coking naphtha

B. Catalytic naphtha coking naphtha virgin naphtha

C. Coking naphtha virgin naphtha catalytic naphtha

D. Virgin naphtha coking naphtha catalytic naphtha

216. Which is almost absent in crude petroleum ?
0

A. Cycloparaffins

B. Mercaptans

C. Naphthenes

D. Olefins

217. Which of the following contains maximum sulphur ?
0

A. Diesel

B. Petrol

C. Kerosene

D. Fuel oil

218. Flash point of an oil is determined by the _____________________?
0

A. Pensky Martens apparatus

B. Conradson apparatus

C. Saybolt viscometer

D. Ramsbottom apparatus

219. Concentration of H2SO4 catalyst in alkylation is kept between 90-98%, because H2SO4 having concentration?
0

A. Less than 90% promotes polymerisation

B. More than 98% promotes cracking

C. Both A. and B.

D. Neither A. nor B.

220. Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about ______________ kg/cm2?
0

A. 1.5

B. 12

C. 3

D. 6

Previous Next

Showing 201 to 220 of 321 mcqs