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  • Question
  • Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature.


  • Options
  • A. more than
  • B. less than
  • C. same as
  • D. either more or less; depends on the room temperature

  • Correct Answer
  • same as 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. Naphthenic acid is a/an __________ compound.

    • Options
    • A. sulphur
    • B. nitrogen
    • C. oxygen
    • D. none of these
    • Discuss
    • 2. Flash point of an oil is determined by the

    • Options
    • A. Pensky Martens apparatus.
    • B. Ramsbottom apparatus.
    • C. Saybolt viscometer.
    • D. Conradson apparatus.
    • Discuss
    • 3. Feedstock for the production of biodiesel is

    • Options
    • A. herbal plants
    • B. used vegetable oils
    • C. LSHS
    • D. bagasse
    • Discuss
    • 4. Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the

    • Options
    • A. elimination of solvent drying facility.
    • B. higher nitration temperature.
    • C. lower solvent dilution ratio.
    • D. all (a), (b) & (c).
    • Discuss
    • 5. In classification, particles are said to be equal settling, if they have the same terminal velocities in the

    • Options
    • A. different fluids
    • B. same fluid
    • C. same field of force
    • D. both (b) and (c)
    • Discuss
    • 6. Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C.

    • Options
    • A. 50
    • B. 70
    • C. 90
    • D. 140
    • Discuss
    • 7. The most widely used crude topping column in refineries is the __________ column.

    • Options
    • A. bubble-cap
    • B. packed bed
    • C. fluidised bed
    • D. perforated plate
    • Discuss
    • 8. Crude oil is transported inland from oil field to refineries, mainly by the

    • Options
    • A. road tankers
    • B. rail tankers
    • C. underground pipelines
    • D. none of these
    • Discuss
    • 9. Catalyst used in catalytic polymerisation which produces polymer gasoline is

    • Options
    • A. H2SO4
    • B. H3PO4
    • C. both (a) and (b)
    • D. AlCl3
    • Discuss
    • 10. Petrolatum is

    • Options
    • A. same as petroleum ether.
    • B. petroleum coke.
    • C. a mixture of microcrystalline wax in viscous hydrocarbon liquids.
    • D. none of these.
    • Discuss


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