Q. Welded joint is superior to revetted joint in respect of ease of fabrication, weight and strength. Which of the following joints is the most suitable for pipes carrying fluids under high pressure and temperature ?

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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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