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Home⇒ Engineering⇒
Petroleum refinery engineering
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q1 ⇒ Which is the most undesirable component in kerosene ? Aromatics [other wrong options] [Discuss in forum] ![]() ![]() i-paraffins n-paraffins Naphthenes |
Q2 ⇒ Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about 1 [other wrong options] [Discuss in forum] ![]() ![]() 0.1 2.5 3.5 |
Q3 ⇒ Visbreaking process is used mainly for making fuel oil [other wrong options] [Discuss in forum] ![]() ![]() high cetane diesel high octane gasoline smoke free kerosene |
Q4 ⇒ Diesel index.(an alternative index for expressing the quality of diesel) is equal to cetane number plus 3. [other wrong options] [Discuss in forum] ![]() ![]() determined by using a test engine. not related to aniline point. all (a), (b) & (c). |
Q5 ⇒ Mercaptans are all (a), (b) and (c) [other wrong options] [Discuss in forum] ![]() ![]() low boiling sulphur compounds. added in LPG cylinders to detect gas leakage by its smell. undesirable in petrol, as they reduce its octane number. |
Q6 ⇒ The octane number of aviation gasoline may be >100 [other wrong options] [Discuss in forum] ![]() ![]() 79 87 97 |
Q7 ⇒ Which is almost absent in crude petroleum? Mercaptans [other wrong options] [Discuss in forum] ![]() ![]() Olefins Naphthenes Cycloparaffins |
Q8 ⇒ Pick out the wrong statement. Catalytic cracking is endothermic, but the regeneration of catalyst is exothermic. [other wrong options] [Discuss in forum] ![]() ![]() Iso-paraffin crack faster than n-paraf-fin. Rate of decomposition of olefins in catalytic cracking is slightly slower than the thermal cracking. None of these. |
Q9 ⇒ The first crude oil refinery of India is located at Digboi [other wrong options] [Discuss in forum] ![]() ![]() Naharkatiya Kochin Madras |
Q10 ⇒ Deoiling of wax is done by its both(b)&(c) [other wrong options] [Discuss in forum] ![]() ![]() heating cooling solvent extraction |
Q11 ⇒ Sulphur content in lighter and heavier petroleum products is generally determined respectively by bomb method and lamp method. [other wrong options] [Discuss in forum] ![]() ![]() lamp method and bomb method. bomb method and quartz tube method. quartz tube method and lamp method. |
Q12 ⇒ Pick out the undesirable property for a solvent meant for dewaxing of lube oil. Both (a) and (b). [other wrong options] [Discuss in forum] ![]() ![]() Complete miscibility with oil. High solubility of wax in the solvent. Neither (a) nor (b). |
Q13 ⇒ Flash point of an oil is determined by the Pensky Martens apparatus. [other wrong options] [Discuss in forum] ![]() ![]() Ramsbottom apparatus. Saybolt viscometer. Conradson apparatus. |
Q14 ⇒ A good lubricant should have high viscosity index [other wrong options] [Discuss in forum] ![]() ![]() volatility pour point none of these |
Q15 ⇒ Which of the following is used as a solvent in deasphalting of petroleum products ? Propane [other wrong options] [Discuss in forum] ![]() ![]() Furfural Methyl ethyl ketone Liquid sulphur dioxide |
Q16 ⇒ Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint. white [other wrong options] [Discuss in forum] ![]() ![]() black red yellow |
Q17 ⇒ In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen both (a) and (b). [other wrong options] [Discuss in forum] ![]() ![]() enhances the desulphurisation process. minimises coke formation. neither (a) nor (b). |
Q18 ⇒ Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst. all (a), (b) & (c) [other wrong options] [Discuss in forum] ![]() ![]() bauxite fuller's earth activated clay |
Q19 ⇒ Which of the following has the highest octane number ? Aromatics [other wrong options] [Discuss in forum] ![]() ![]() i-paraffins Naphthenes Olefins n-paraffins |
Q20 ⇒ Which of the following constituents present in petroleum is responsible for ash formation? Sulphur compounds [other wrong options] [Discuss in forum] ![]() ![]() Nitrogen compounds Organometallic compounds Oxygen compounds |
Or |