Q. The fermentor used in the production of pencillin (by deep fermentation process) is made of

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Q. Nickel (76%) and chromium (15%) alloys are termed as

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Q. Low carbon steels are those in which carbon percentage is around

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Q. White metal is an alloy of

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Q. The carbonating tower used in Solvay process of soda ash manufacture is made of

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Q. Valves in pipe size of 2" and under are normally made of

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Q. Which is an amorphous material ?

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Q. In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of

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Q. Platinum and silver are corroded by

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Q. Babbit metal is not a

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Q. Which of the following alloys does not contain nickel ?

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Q. Which of the following is the lightest of engineering metals ?

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Q. Evaporators used in caustic soda recovery and production plant are made of

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Q. With increase in carbide/graphite ratio in cast iron, its

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Q. The most resistant material to alkaline corrosion is

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Q. Tin coating is not done by

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Q. Stainless steel is not corroded by

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Q. __________ is added in stainless steel to prevent inter crystal corrosion.

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Q. Mild steel is used for making

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Q. Presence of 0.3 to 0.5% arsenic in copper increases its

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