chemical engineering materials and construction MCQs – Page 9

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 Review each marked answer and report any item that may be outdated or unclear.

chemical engineering materials and construction Mcqs
161. A material capable of undergoing large permanent deformation, when subjected to compression is termed as___________________?
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A. None of these

B. Brittle

C. Malleable

D. Ductile

162. Which of the following is not an alloy of nickel and chromium ?
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A. Duralumin

B. Nimonic alloys

C. Hastelloy

D. Inconel

163. Cold work tool steel should have_________________?
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A. High toughness

B. High wear resistance

C. Poor hardenability

D. All A., B. & C.

164. Liquid ammonia is shipped in _____________ containers?
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A. Lead lined

B. Glass

C. Steel

D. Aluminium

165. Wood metal is not used for making___________________?
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A. Soft solder

B. Storage tank for storing brine and caustic soda

C. Fusible safety plug for pressure cooker

D. Casting for dental work

166. An ideal material of construction for the storage of 50% caustic soda solution would be___________________?
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A. None of these

B. Karbate

C. Monel

D. High silicon cast iron

167. When the steel is subjected to normalising, its ______________ decreases?
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A. Yield point

B. Ultimate tensile strength (UTS)

C. Ductility

D. None of these

168. Ceramic materials are____________________?
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A. Organic in nature

B. Stronger in compression than in tension

C. Always amorphous in nature

D. Always bad heat conductors

169. Sulphur melting pit in the sulphuric acid plant is made of__________________?
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A. Steel or cement-brick lined

B. Cast iron

C. Hard wood

D. Lead lined stainless steel

170. A bearing metal should not have___________________?
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A. Low co-efficient of friction

B. Low thermal conductivity

C. Enough plasticity

D. High toughness

171. In the Kraft (sulphate) process for the paper manufacture, the digestor is made of________________?
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A. Stainless steel

B. Cast iron

C. Wrought iron

D. Karbate carbon

172. Dilute sulphuric acid is transported in _____________ pipes?
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A. Copper

B. Lead

C. Mild steel

D. Special alloys

173. Atmospheric corrosion of metals result from their________________?
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A. Fast hydration

B. Slow dehydration

C. Fast oxidation

D. Slow oxidation
174. Water gas generator is made of__________________?
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A. Carbon steel-brick lined

B. High carbon steel-porcelain lined

C. Stainless steel-lead lined

D. Cast iron

175. Nickel and molybdenum are the basic constituents of___________________?
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A. Inconel

B. German silver

C. Hastelloy

D. Solder

176. Diamagnetic materials are magnetised________________?
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A. With eddy currents only

B. In a direction opposite to that of the applied field

C. Only slightly

D. Strongly

177. The most resistant material to alkaline corrosion is____________________?
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A. Duriron

B. Aluminium

C. Nickel

D. Karbate

178. A material is able to retain the deformation permanently by virtue of its___________________?
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A. Ductility

B. Elasticity

C. Malleability

D. Plasticity
179. Gunmetal and bronze are not corroded by the action of__________________?
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A. Nitric acid (< 25%)

B. Hydrochloric acid (10%)

C. Wet chlorine

D. Synthetic detergent solution
180. Which of the following is the lightest of engineering metals ?
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A. Tin

B. Magnesium

C. Titanium

D. Aluminium