Stellite is a __________ material.
Ferrous
Ceramic
Cemented carbide
Non-ferrous cast alloy cutting tool
- Yield strength of a polycrystalline metal with an average grain size d, is proportional to
- Pick out the wrong statement about the machinability of metals. Machinability of a metal
- One ton of refrigeration is not equivalent to the heat removal rate of
- The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation…
- Ceramic compounds as compared to metallic compounds
- Constituents of stellite are
- A compact estimate about the amount of materials handling between various work stations is obtained…
- In extrusion of metals, which of the following statement is true?
- The surface tension of a liquid, at critical temperature is
- Boiling point of water gets lowered at high altitudes (e.g., hills), because
- __________ of austenite decreases the hardenability in steel.
- Dowtherm is a
- Boiler draught of 10 mm water column is equivalent to
- Use of water as a manometric liquid suffers from the disadvantage of its
- __________ is used as a material of construction for the blade of power saw.
- The most suitable material for die casting is
- Transformer cores are normally made from
- Age hardening is connected with
- The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong
- Pick out the wrong statement.
- Co-efficient of performance of a Carnot cycle refrigerator operating between - 23°C and + 27°C…
- Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
- Multistage compression of air as compared to single stage compression offers the advantage of
- The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.
- Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
- Damage to metal surface by mechanical action is called
- Hot working of lead is carried out at
- A material in which the atoms are arranged regularly in some directions but not in others, is termed…
- __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where…
- __________ property of steel increases by addition of large amount of silicon in it.