Petroleum Refinery Engineering

221. The amount of tetraethyl lead added to improve the octane number of motor gasoline is around _________ c.c per gallon of petrol.

  1. 3
  2. 300
  3. 3000
  4. 1000

Correct answer: (A)
3

222. The average boiling point of aviation turbine fuel is closest to that of

  1. Lubricating oils
  2. LPG
  3. Diesel
  4. Kerosene

Correct answer: (D)
Kerosene

223. The best method of determining sulphur in crude oil is by the _________ method.

  1. Kjeldahl
  2. Dumas
  3. Bomb calorimeter
  4. Junkers calorimeter

Correct answer: (C)
Bomb calorimeter

224. The catalytic cracking of heavier petroleum fraction is done to produce mainly

  1. Gasoline
  2. Asphalt
  3. Diesel oil
  4. Tar

Correct answer: (C)
Diesel oil

225. The characterisation factor of a crude oil is calculated as 12.5. It means that; it is

  1. Paraffinic
  2. Naphthenic
  3. Intermediate
  4. None of these

Correct answer: (A)
Paraffinic

226. The characterisation factor of crude petroleum oil is around

  1. 3
  2. 11
  3. 22
  4. 28

Correct answer: (B)
11

227. The coking process normally mostly used in Indian oil refineries is the _________ coking process.

  1. Delayed
  2. Flexi
  3. Fluid
  4. Contact

Correct answer: (A)
Delayed

228. The colour of gasoline is an indication of its

  1. Octane number
  2. Lead susceptibility
  3. Gum forming tendency & thoroughness of refining
  4. None of these

Correct answer: (C)
Gum forming tendency & thoroughness of refining

229. The condensate obtained on compression of wet natural gas is termed as

  1. Liquefied natural gasoline
  2. Natural gasoline
  3. Liquid natural gas
  4. None of these

Correct answer: (B)
Natural gasoline

230. The conductivity of crude oil-water mixture depends on the

  1. pH value
  2. Water percentage
  3. Temperature
  4. All (A), (B) and (C)

Correct answer: (D)
All (A), (B) and (C)

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