Chemical Engineering Mcqs

In practice, the compression ratio of compression-ignition (CI) engine ranges from ______________________?

• (A)  15 to 25
• (B)  5 to 10
• (C)  40 to 55
• (D)  60 to 70

Answer

Submitted By :Ali Uppal

The specific gravity of coal depends mainly on its __________________ content ?

• (A)  Carbon
• (B)  Volatile matter
• (C)  Ash
• (D)  Moisture

Answer

Submitted By :Ali Uppal

The refractory lining of the bottom in a basic electric arc furnace is made of___________________?

• (A)  Silica
• (B)  Alumina
• (C)  Magnesia
• (D)  Fireclay

Answer

Submitted By :Ali Uppal

Unit of viscosity in CGS system is_______________________?

• (A)  gm .cm-1 sec-1
• (B)  gm . cm2 . sec-2
• (C)  gm .cm-2, sec-1
• (D)  gm . cm . sec-1

Answer

Submitted By :Ali Uppal

A dummy activity is used in PERT network to describe the_____________________?

• (A)  Precedence relationship
• (B)  Resource idleness
• (C)  Resource restriction
• (D)  Necessary time delay

Answer

Submitted By :Ali Uppal

Large diameter reinforced cement concrete (RCC) pipes are generally joined by ____________________ joint ?

• (A)  Flanged iron
• (B)  Collar
• (C)  Flexible
• (D)  Expansion

Answer

Submitted By :Ali Uppal

Carnot cycle is also termed as the constant _________________ cycle in thermodynamics?

• (A)  Entropy
• (B)  Pressure
• (C)  Volume
• (D)  Heat

Answer

Submitted By :Ali Uppal

Matte smelting is used in the extraction of_____________________?

• (A)  Lead
• (B)  Zinc
• (C)  Aluminium
• (D)  Copper

Answer

Submitted By :Ali Uppal

Increase in the entropy of a system represents the_____________________?

• (A)  Degradation of energy
• (B)  Decrease in system pressure
• (C)  Increase in the availability of energy
• (D)  Increase in the temperature

Answer

Submitted By :Ali Uppal

Minimum number of members required to form a Public Limited Joint Stock Com-pany is___________________?

• (A)  7
• (B)  10
• (C)  12
• (D)  17

Answer

Submitted By :Ali Uppal