Patroleum Refinary Engineering MCQs with answers Page - 7

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A

Admin • 833K Points
Coach

Q. Penetration test determines the __________ of the grease.

  • (A) Stiffness
  • (B) Lubricating properties (e.g. oilness)
  • (C) Service temperature
  • (D) Variation in viscosity with temperature

A

Admin • 833K Points
Coach

Q. Isomerisation converts the __________ tot-paraffins.

  • (A) Paraffins
  • (B) Olefins
  • (C) Naphthenes
  • (D) None of these

A

Admin • 833K Points
Coach

Q. Which of the following additives improves the cetane number of diesel?

  • (A) Amyl nitrate
  • (B) Ethyl mercaptan
  • (C) Napthenic acid
  • (D) Tetra ethyl lead

A

Admin • 833K Points
Coach

Q. Which of the following is an additive used for improving the cetane number of diesel?

  • (A) Tetramethyllead
  • (B) Ethyl nitrate or acetone
  • (C) Tetraethyl lead
  • (D) None of these

A

Admin • 833K Points
Coach

Q. Catalyst used in alkylation process is

  • (A) Sulphuric acid
  • (B) Nickel
  • (C) Silica gel
  • (D) Alumina

A

Admin • 833K Points
Coach

Q. Molecular weight of petrol may be about

  • (A) 40-60
  • (B) 100-130
  • (C) 250-300
  • (D) 350-400

A

Admin • 833K Points
Coach

Q. Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is

  • (A) More than 100
  • (B) Round about 100
  • (C) Between 50 and 100
  • (D) Less than 25

A

Admin • 833K Points
Coach

Q. Octane number (unleaded) of reformed gasoline may be upto

  • (A) 60
  • (B) 70
  • (C) 80
  • (D) 90

A

Admin • 833K Points
Coach

Q. Butadiene is a/an

  • (A) Di-olefin
  • (B) Naphthene
  • (C) Aromatic
  • (D) Olefin

A

Admin • 833K Points
Coach

Q. Both asphalt and wax are produced by __________ base crude oils.

  • (A) Naphthenic
  • (B) Asphalt
  • (C) Paraffin
  • (D) Mixed

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