Q. The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called

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Q. Pick out the wrong statement.

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Q. For storing water and acid free benzol, use a __________ vessel.

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Q. The chlorinator used in the manufacture of DDT is made of

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Q. Age hardening is concerned with

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Q. Which of the following undergoes granular fracture ?

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Q. Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the

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Q. Bog iron used for the adsorption of H₂S from coke oven gas is

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Q. Wrought iron is a suitable material of construction for handling __________ solutions.

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Q. Steel rods are used in reinforced concrete to increase its __________ strength.

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Q. Corrosion involves exchange of electrons in __________ corrosion.

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Q. Carbon is present in steel wholly in the

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Q. In SO₃ absorber (Contact Process), packing material used is of

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Q. Presence of manganese in alloy steel improves its

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Q. Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with

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Q. A material is called 'ductile', if it can be

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Q. A chemical change takes place when iron

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Q. Evaporator used for concentrating tomato juice is made of

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Q. High carbon steel contains more than __________ percent carbon.

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Q. The main constituent of carborundum is __________ carbide.

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