A material is capable of resisting softening at high temperature, because of its property termed as
Hot temper
Hot hardness
Fatigue
Creep
- Nickel is a __________ material.
- __________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.
- Dephosphorization of molten pig iron is favoured by
- Multistage compression of air as compared to single stage compression offers the advantage of
- Milk is fat dispersed in water. It is an example of
- Hardening of steel is not possible, unless it is heated __________ critical point.
- Alloy powder manufactured by the following process have spherical shapes.
- Tempering of a material does not improve its
- Electrometallurgical methods of metal extraction is normally used for those metals
- Preheating before welding is done to
- Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with…
- Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial…
- Satellites burn off during re-entry to earth's atmosphere, because of the
- The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation…
- Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium
- A form of stress corrosion failure termed as 'season cracking' is generally observed in
- Which of the following is not a characteristic observed in material failure by fatigue fracture?
- The most detrimental impurity in high pressure boiler feed water is
- __________ is not used as the control rod material in a nuclear reactor.
- Enzymes belong to the category of
- Oxide layer formed on the non-ferrous metal surface after its annealing is
- Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same…
- Unit of surface tension in S.I. unit is
- During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional…
- The specific gravity of coal depends mainly on its __________ content.
- Optical activity is a/an __________ property.
- Aluminium is extracted from
- With increase in compression ratio, the volumetric efficiency of air compressor
- Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)
- The best guide to judge the general quality of water is the measurement of its