Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are:
Nickel, cobalt & chromium
Tungsten, chromium & cobalt
Manganese, chromium & cobalt
Tungsten, molybdenum & nickel
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- Mild steel has __________ crystal lattice structure.
- Electrochemical corrosion can occur, only if __________ is present in contact with metal.
- With increase in temperature, the electrical conductivity of semiconductors
- Which of the following materials has the maximum shrinkage allowance?
- Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.
- Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2)?
- Thermal efficiency of an internal combustion engine is around __________ percent.
- For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation…
- __________ is used as a material of construction for the blade of power saw.
- Production of a hollow product by inflation of a tube or parison is called the __________ process.
- Dowtherm is a
- Uniform ramming of sand in green sand moulding process leads to
- Boiler tube size is specified by its thickness and __________ diameter.
- Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
- Energy of the sun arises mainly from __________ reactions.
- Oxide layer formed on the non-ferrous metal surface after its annealing is
- The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
- Routing in production, planning & control is concerned with the
- __________ property of steel increases by addition of large amount of silicon in it.
- Transformer cores are normally made from
- The property of material, by which a given amount of energy is absorbed by it, without plastic deformation,…
- Materials having __________ lattice structure are usually the most ductile.
- Drills are usually made of
- Neutrons are present in all atoms except that of
- Notched bar test is used for testing the __________ of a material.
- An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform…
- Wood is a/an __________ material.
- The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the…
- On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the…
- While the bin cards are used in the effective stores management, the queuing theory is associated with…