Chemical Engineering Mcqs

The approximate height of a blast furnace having a useful volume of 2000 m3 is about _______________ metres ?

• (A)  25
• (B)  35
• (C)  55
• (D)  75

Answer

Submitted By :Ali Uppal

Photographic plates are coated with _____________________?

• (A)  Silver nitrate
• (B)  Silver halide
• (C)  Calcium silicate
• (D)  Metallic silver

Answer

Submitted By :Ali Uppal

Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about ____________________?

• (A)  9 : 1
• (B)  17 : 1
• (C)  23 : 1
• (D)  29 : 1

Answer

Submitted By :Ali Uppal

Which of the following gases cause global warming ?

• (A)  Carbon monoxide
• (B)  Carbon dioxide
• (C)  Nitrogen
• (D)  Ozone

Answer

Submitted By :Ali Uppal

Potable water means the water used for____________________?

• (A)  Fire-fighting
• (B)  Cooling
• (C)  Drinking
• (D)  Evaporation to produce steam

Answer

Submitted By :Ali Uppal

Softening of hardened steel is done by its____________________?

• (A)  Normalising
• (B)  Tempering
• (C)  Annealing
• (D)  Carburising

Answer

Submitted By :Ali Uppal

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the___________________?

• (A)  Length of the pipe
• (B)  Diameter of the pipe
• (C)  Density of the fluid
• (D)  Velocity of the fluid

Answer

Submitted By :Ali Uppal

Cold working of a material results in increase in hardness, which is termed as the ______________ hardening ?

• (A)  Cold
• (B)  Work
• (C)  Age
• (D)  Induction

Answer

Submitted By :Ali Uppal

Main constituent of bone ash is____________________?

• (A)  Ammonium phosphate
• (B)  Calcium phosphate
• (C)  Animal charcoal
• (D)  Ammonium sulphate

Answer

Submitted By :Ali Uppal

Isotropic materials have the same _______________________ in all directions?

• (A)  Induced stresses
• (B)  Density
• (C)  Elastic properties
• (D)  Thermal properties

Answer

Submitted By :Ali Uppal