Q. Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ?

View solution

Q. Material of construction of surveying metallic tapes is __________ which has low coefficient of expansion & enough strength.

View solution

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 ?

View solution

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

View solution

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

View solution

Q. Hard magnetic materials have high

View solution

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

View solution

Q. Ignition of fuel in a diesel engine is by

View solution

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

View solution

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

View solution

Q. Titanium is produced by __________ of TiCl₄.

View solution

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

View solution

Q. A simple closed grinding circuit may consist of

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution