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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Q. __________ is used for tying the steel coloumns to concrete foundation.

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Q. Fatigue resistance of a material is measured by the

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Q. __________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.

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Q. A dense structure of grinding wheel is not used for the

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Q. Maximum hardenability of steel depends upon its

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Q. Blast furnace slag is mainly molten

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Q. A jet engine turbine blade is normally manufactured by

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Q. Stainless steel is welded using

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Q. The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

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Q. Mild steel has __________ crystal lattice structure.

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Q. Which of the following does not have a sharp melting point ?

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Q. Aluminium is extracted from

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Q. __________ fluid force is not considered in the Navier-Stokes equation.

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