Q. Addition of __________ in steel is helpful in increasing the depth of hardness.

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Q. __________ is used for determining the tensile strength of steels.

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Q. Mild steel storage vessels are suitable for the storage of

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Q. Mild steel is a/an __________ steel.

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Q. Hardened steel is softened by

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Q. Which of the following is not shipped in mild steel containers ?

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Q. Carbon tetrachloride can be stored in a storage vessel made of

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Q. The process of coating steel sheets by zinc to improve its corrosion resistance is called

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Q. __________ does not contain copper as an alloying element.

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Q. Reactor used in the production of polyvinyl chloride (PVC) is made of

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Q. __________ is added in low carbon steel to raise its yield point.

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Q. Karbate is

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Q. Which one has the maximum tensile strength out of the following ?

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Q. Material of construction of pipe generally used for conveying water in India is

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Q. Which of the following is the softest material ?

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Q. White cast iron as compared to grey cast iron is

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Q. Combination of metals and ceramics are called

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Q. __________ iron is produced, when molten pig iron is chilled suddenly.

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Q. Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%?

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Q. Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a

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