Chemical Engineering Mcqs

Operating temperature and pressure in catalytic reforming is about_____________?

• (A)  1-5 Kgf/cm2 & 200°C
• (B)  15-45 Kgf/cm2 & 450-550°C
• (C)  50 – 75 kgf/cm2 & 600 – 800°C
• (D)  5-10 kgf/cm2 & 150 – 250°C

Answer

Submitted By :Ali Uppal

Which of the following has the lowest viscosity (at a given temperature) of all ?

• (A)  Naphtha
• (B)  Kerosene
• (C)  Diesel
• (D)  Lube oil

Answer

Submitted By :Ali Uppal

Maximum use of petroleum coke is in__________________?

• (A)  Adsorption refining operation
• (B)  Fuel gas manufacture
• (C)  Carbon electrode manufacture
• (D)  Iron ore reduction

Answer

Submitted By :Ali Uppal

Crude oil is pumped by a _______________ pump?

• (A)  Gear
• (B)  Centrifugal
• (C)  Screw
• (D)  Reciprocating

Answer

Submitted By :Ali Uppal

Catalyst used in the isomerisation is_______________________?

• (A)  Aluminium chloride
• (B)  Alumina
• (C)  Nickel
• (D)  Phosphoric acid

Answer

Submitted By :Ali Uppal

Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency ?

• (A)  Paraffins
• (B)  Naphthenes
• (C)  Aromatics
• (D)  Iso-paraffins

Answer

Submitted By :Ali Uppal

_____________ determination is not a very significant and important test for gasoline?

• (A)  Gum & sulphur content
• (B)  Viscosity
• (C)  Octane number
• (D)  Reid vapor pressure

Answer

Submitted By :Ali Uppal

Natural gasoline is produced___________________?

• (A)  From oil wells
• (B)  In oil refineries
• (C)  By natural gas stripping
• (D)  None of these

Answer

Submitted By :Ali Uppal

95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C?

• (A)  2
• (B)  -40
• (C)  30
• (D)  55

Answer

Submitted By :Ali Uppal

Which is the most undesirable component in kerosene ?

• (A)  Aromatics
• (B)  i-paraffins
• (C)  n-paraffins
• (D)  Naphthenes

Answer

Submitted By :Ali Uppal