Q. Castability of aluminium is increased by the addition of __________ in it.

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Q. Addition of __________ to steel can not impart it high strength at elevated temperature.

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Q. Hard magnetic materials have high

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Q. The difference in the properties of a substance in three states of matter depends upon the

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Q. Ignition of fuel in a diesel engine is by

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Q. A pipeline buried in soil is commonly protected from corrosion by

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Q. Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump.

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Q. Titanium is produced by __________ of TiCl₄.

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Q. __________ strain gauge is the most sensitive sensing element for strain measurement.

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Q. A simple closed grinding circuit may consist of

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Q. Which of the following alloying elements when added in steel does not improve its lachinability ?

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Q. Largest application of laser welding is in __________ welding.

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Q. Which of the following is a neutral flux used in the pyrometallurgy of metal extraction?

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Q. The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm² .

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Q. Value of a material is usually considered as a relationship between

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Q. Which of the following is not an ore of zinc?

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Q. Pressure gauges are never connected directly to the live steam line; rather a loop or syphon is interposed as close as possible to the pressure gauge. This is done to

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Q. Phosphorous is added to copper melt to

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Q. Which of the following is not a suitable solid lubricant ?

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Q. On an average __________ fast neutrons are produced by nuclear fission of each atom of uranium-235.

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