Environmental Issues in Petroleum Refinery Engineering MCQ - Set 14 - ObjectiveBooks

Environmental Issues in Petroleum Refinery Engineering MCQ - Set 14

Practice Test: Question Set - 14

1. Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.
    (A) 1
    (B) 50
    (C) 5000
    (D) 10000

2. Which of the following constituents present in petroleum is responsible for ash formation?
    (A) Nitrogen compounds
    (B) Organometallic compounds
    (C) Sulphur compounds
    (D) Oxygen compounds

3. The reservoir rock containing petroleum has
    (A) Low porosity
    (B) High permeability
    (C) High porosity
    (D) Both (b) and (c)

4. Polymerization
    (A) Produces i-octane from cracked gases containing i-butane and butene
    (B) Causes olefins to combine with each other
    (C) Causes aromatics to combine with each other
    (D) Is aimed at producing lubricating oil

5. Which is an anticing compound?
    (A) Amyl nitrate
    (B) Alcohols
    (C) Mercaptans
    (D) Pyridine

6. Which of the following tests is not done for transformer oil?
    (A) Flash point and acid value
    (B) Aniline point
    (C) Dielectric strength
    (D) Copper strip corrosion test

7. 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
    (A) 4
    (B) 3
    (C) 2
    (D) 1

8. In sweetening process, solutizer agent used with caustic alkali is
    (A) Potassium isobutyrate
    (B) Sodium plumbite
    (C) Methanol
    (D) Phenol

9. Waxy crudes are treated with chemical additives mainly to
    (A) Depress its pour point
    (B) Dissolve wax
    (C) Precipitate wax
    (D) Remove wax

10. Pick out the undesirable property for a solvent meant for dewaxing of lube oil.
    (A) Complete miscibility with oil
    (B) High solubility of wax in the solvent
    (C) Both (a) and (b)
    (D) Neither (a) nor (b)

11. Maximum use of petroleum coke is in
    (A) Adsorption refining operation
    (B) Fuel gas manufacture
    (C) Carbon electrode manufacture
    (D) Iron ore reduction

12. Older crude petroleum
    (A) Is light and better
    (B) Gives more distillates
    (C) Gives less tar
    (D) All (a), (b) and (c)

13. Crude oil is pumped by a __________ pump.
    (A) Gear
    (B) Centrifugal
    (C) Screw
    (D) Reciprocating

14. Pick out the wrong statement.
    (A) Aromatics have higher specific gravity than paraffins
    (B) Gross calorific value (GCV) of petrofuels is equal to (12400 - 2100 ρ2) where, ρ is the specific gravity of the fuel at 15.5°C
    (C) Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/liter)
    (D) Higher specific gravity of petrofuels means higher C/H ratio

15. Catalyst used in the isomerization is
    (A) Aluminium chloride
    (B) Alumina
    (C) Nickel
    (D) Phosphoric acid

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