Chemical Engineering Mcqs

Which of the following fractions of petroleum contains maximum sulphur ?

• (A)  Diesel
• (B)  Gasoline
• (C)  Naphtha
• (D)  Atmospheric residue

Answer

Submitted By :Ali Uppal

Good quality kerosene should have__________________?

• (A)  Low smoke point
• (B)  High smoke point
• (C)  High aromatics content
• (D)  Low paraffins content

Answer

Submitted By :Ali Uppal

Catalyst used in alkylation process is__________________?

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

Answer

Submitted By :Ali Uppal

Cracking is___________________?

• (A)  An exothermic reaction
• (B)  An endothermic reaction
• (C)  Favoured at very low temperature
• (D)  None of these

Answer

Submitted By :Ali Uppal

The conductivity of crude oil-water mixture depends on the__________________?

• (A)  pH value
• (B)  Water percentage
• (C)  Temperature
• (D)  All

Answer

Submitted By :Ali Uppal

Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners ?

• (A)  PCM
• (B)  Tar
• (C)  Light diesel oil
• (D)  Low viscosity furnace oil

Answer

Submitted By :Ali Uppal

Catalyst used in isomerisation process is __________________ ?

• (A)  H2SO4
• (B)  H3PO4
• (C)  HF
• (D)  AlCl3

Answer

Submitted By :Ali Uppal

True vapour pressure of a petroleum fraction ________________ Reid vapour pressure?

• (A)  Is less than
• (B)  Is more than
• (C)  Is same as
• (D)  May be either more or less than

Answer

Submitted By :Ali Uppal

A typical yield of diesel in straight run distillation of crude oil may be about ________________ percent?

• (A)  8
• (B)  18
• (C)  28
• (D)  35

Answer

Submitted By :Ali Uppal

Crude topping column operates at ________________ pressure?

• (A)  Atmospheric
• (B)  10 atm
• (C)  Vacuum
• (D)  3 atm

Answer

Submitted By :Ali Uppal