Q. Purity of electrical grade aluminium should be ≥ __________ percent.

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Q. Maximum consumption of zinc is in

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Q. Wrought iron is

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Q. Perspex is nothing but

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Q. Centrifugal pump made of pyrex or glass can't be used to pump

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Q. Ability of a material to __________ is indicated by its damping capacity.

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Q. Corrosion resistance of steel is increased by the addition of

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Q. Pick out the wrong statement.

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Q. Ability of a material to absorb energy in deformation in the plastic range is characterised as its

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Q. Monel alloy is

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Q. Molybdenum steels containing 0.15 to 0.40% molybdenum

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Q. Kel-F is a material, which is

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Q. Tempering of steel is done to make it

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Q. Concrete tank can be used to store

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Q. Zinc is highly __________ at room temperature.

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Q. Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property ?

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Q. Most common stainless steel type 316, which is highly resistant to corrosion contains

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Q. Muntz metal is a/an alloys of

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Q. Rotary kilns in cement industry are lined with____bricks.

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Q. Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent.

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