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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Q. The heat treatment process applied to cold formed steel parts is

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Q. The largest consumption of zinc for alloys is in the making of

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Q. Plate and frame filter press is usually made of

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Q. Thermoplastic resins are those polymers, which

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Q. The temperature at which new grains are formed in the metal is called the __________ temperature.

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Q. Molten phthalic anhydride is stored in a/an __________ vessel.

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Q. Fatigue failure of a material results from __________ stress.

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Q. Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

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