Q. Metalloids

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Q. Pick out the wrong statement

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Q. Lead is poured into the joints between two __________ pipes.

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Q. 'Ice point' is designated on Farenhite temperature scale by

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Q. The phenomenon occurring during explosion of a hydrogen bomb is

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Q. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

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Q. Nitriding of a steel part does not increase its

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Q. __________ of grey cast iron produces white cast iron.

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Q. As the fluid flow rate increases, the float of the rotameter

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Q. The best guide to judge the general quality of water is the measurement of its

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Q. Wrought iron is not

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Q. Which of the following is the largest quantum of pressure?

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Q. Which of the following is not a charge material for cupola ?

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Q. Which of the following is an undesirable property of slag produced during the pyrometallurgical method of metal extraction from its ore ?

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Q. Runga-Kutta method is used to solve a/an

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Q. Recrystallisation temperature of steel is __________ °C.

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Q. Pressure required to increase the density of water by about 1% is __________ atmosphere.

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Q. Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.

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Q. The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

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Q. In __________ process, ions of salts react with water to produce acidity or alkalinity.

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