chemical engineering MCQs – Page 358

Practise multiple-choice questions from chemical engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering Mcqs
7141. Hydrochloric acid absorber in made of___________________?
comments icon0

A. Cast iron

B. Stainless steel

C. Karbate

D. Mild steel

7142. Graphite is a good________________?
comments icon0

A. Thermal & electrical insulator

B. Conductor of heat

C. Conductor of electricity

D. Both B. & C.
7143. Aqueous nitric acid is stored in________________?
comments icon0

A. Cast iron vessel

B. Stainless steel vessel

C. Steel drum

D. Cast iron vessel lined with acid-proof masonry brick

7144. For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is__________________?
comments icon0
A. Cast iron

B. Stainless steel

C. Nickel

D. Aluminium

7145. Babbitt metal used for bearings is a ____________base alloy?
comments icon0

A. Copper

B. Aluminium

C. Tin

D. Lead

7146. Balls in a ball mill are usually made of__________________?
comments icon0
A. Steel

B. Bronze

C. Stainless steel

D. Cast iron

7147. The metals occuring at the lower most position in the electromotive series____________________?
comments icon0

A. Do not resist corrosion

B. Resist corrosion very strongly

C. Are heat insulators

D. Are very brittle

7148. Corrosion involves exchange of electrons in ____________ corrosion?
comments icon0

A. Chemical

B. Electrochemical

C. Both A. & B.

D. Neither A. nor B.

7149. Reactor used in the production of polyvinyl chloride (PVC) is made of____________________?
comments icon0

A. Tantalum

B. Aluminium

C. Lead

D. Nickel or glass lined steel
7150. Presence of manganese in alloy steel improves its___________________?
comments icon0

A. Corrosion resistance

B. Abrasion resistance & toughness

C. Cutting ability

D. Elasticity & creep resistance

7151. Addition of nickel to copper improves its_________________?
comments icon0
A. Hardness

B. Strength

C. Machinability

D. Ductility

7152. When the steel is subjected to normalising, its ______________ decreases?
comments icon0

A. Ultimate tensile strength (UTS)

B. Ductility

C. Yield point

D. None of these

7153. Nickel is a constituent of ________________________?
comments icon0
A. Monel metal

B. Bronze

C. Duralumin

D. Solder

7154. Cermets are ______________ materials?
comments icon0

A. Abrasive

B. Refractory

C. Fully metallic

D. Reinforced

7155. A material capable of undergoing large permanent deformation, when subjected to compression is termed as___________________?
comments icon0

A. Brittle

B. None of these

C. Ductile

D. Malleable
7156. A material no longer behaves elastically beyond_________________?
comments icon0

A. Limiting load

B. Elastic limit

C. Breaking load

D. Plastic limit

7157. Addition of tungsten to steel imparts___________________?
comments icon0

A. Corrosion resistance

B. Ductility

C. Cutting hardness

D. Magnetic properties

7158. Materials having _____________ lattice structure are usually most ductile?
comments icon0
A. FCC

B. Cubic

C. BCC

D. HCP

7159. Lead alone is not used in storing equipment, because it________________?
comments icon0

A. Corrodes easily

B. Is having low creep strength

C. Is very costly

D. None of these

7160. Metalloid is__________________?
comments icon0

A. Highly electronegative in nature

B. An element which exhibits the properties of both metal & non-metal

C. An alloy

D. All A., B. and C.