chemical-engineering-materials-and-construction Related Question Answers
153. Stainless steel is not corroded by
154. __________ is added in stainless steel to prevent inter crystal corrosion.
156. Which of the following is the lightest of engineering metals ?
157. Evaporators used in caustic soda recovery and production plant are made of
158. With increase in carbide/graphite ratio in cast iron, its
159. The fermentor used in the production of pencillin (by deep fermentation process) is made of
160. Nickel (76%) and chromium (15%) alloys are termed as
161. Low carbon steels are those in which carbon percentage is around
162. White metal is an alloy of
163. The carbonating tower used in Solvay process of soda ash manufacture is made of
164. For platinum thermocouples, lead wires are made of
165. High resistance electrical heating elements/wire are not made of
166. Which one is remelted and poured into moulds to get cast iron ?
167. Wood metal is not used for making
168. An ideal material of construction for the storage of 50% caustic soda solution would be
170. Which of the following alloy steels is the most suitable for making gun barrels and projectiles ?
171. The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.
173. Valves in pipe size of 2" and under are normally made of
175. In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of
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