chemical engineering materials and construction MCQs – Page 8

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 Review each marked answer and report any item that may be outdated or unclear.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

141. Which of the following is not an alloy of tin ?
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A. Soft solder

B. White-bearing metal

C. German silver

D. Pewter type metal

142. Maximum consumption of zinc is in____________________?
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A. Galvanising

B. Electrical industry

C. Alloying

D. Utensil manufacture

143. _____________ is added in stainless steel to prevent inter crystal corrosion?
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A. Nickel

B. Niobium

C. Chromium

D. Vanadium

144. Which of the following exercises most powerful influence on the mechanical properties of steel ?
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A. Phosphorous

B. Carbon

C. Manganese

D. Silicon

145. White metal is an alloy of___________________?
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A. Copper and lead

B. Lead, tin and cadmium

C. Copper, tin and zinc

D. None of these

146. A material no longer behaves elastically beyond_________________?
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A. Plastic limit

B. Breaking load

C. Limiting load

D. Elastic limit

147. Aqueous nitric acid is stored in________________?
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A. Cast iron vessel lined with acid-proof masonry brick

B. Steel drum

C. Cast iron vessel

D. Stainless steel vessel

148. A steel alloy containing 36% nickel is called _____________________, which has a zero co-efficient of expansion?
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A. Heat resisting steel

B. Austenitic stainless steel

C. Invar

D. High speed steel

149. Fatigue failure of a material results from _____________ stress?
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A. None of these

B. Tensile

C. Compressive

D. Fluctuating

150. Shock resisting steels should possess high___________________?
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A. Wear resistance

B. Hardness

C. Tensile strength

D. Toughness

151. Cast iron has very high___________________?
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A. Shock resistance

B. Ductility

C. Resistance to brittleness

D. Compressive strength

152. DDT is shipped in_________________?
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A. Fibre drums

B. Stainless steel containers

C. Either B. or C.

D. Paper bags

153. Chromel (Nichrome) is an alloy of_____________________?
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A. Molybdenum and nickel

B. Nickel and chromium

C. Chromium and aluminium

D. Chromium and molybdenum

154. Duralumin is an alloy of_________________?
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A. Aluminium, nickel and silicon

B. Aluminium, copper and manganese

C. Aluminium and nickel

D. None of these

155. The presence of impurities in iron_________________?
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A. Decreases its melting point

B. Makes it malleable

C. Does not affect its melting point

D. Increases its melting point

156. Refined acetic acid storage vessel are made of___________________?
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A. Nickel

B. High carbon steel

C. Aluminium

D. Copper

157. Which is an amorphous material ?
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A. Mica

B. Cast iron

C. Brass

D. Glass

158. Which one contains the least percentage of carbon ?
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A. Wrought iron

B. High speed steel

C. Pig iron

D. Cast iron

159. Fatigue failure of a material results from ______________ stress?
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A. Compressive

B. Fluctuating

C. Tensile

D. None of these

160. The behaviour of visco-elastic material is time dependent. This behaviour is common in _____________ materials?
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A. Rubbery

B. Crystalline

C. Non-crystalline organic polymeric

D. Non-crystalline solid

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