Broaching tools are usually made of
Cermets
High speed steel
Tungsten carbide
Stellite
- Moist climate is the most favourable factor in the site selection far a
- The swift cup test evaluates the following property of a sheet metal.
- Electrostatic separation of minerals from each other is based on their differences in the following…
- Thermit welding uses the following energy source.
- Mild steel has __________ crystal lattice structure.
- Which of the following commonly used condenser tube materials has the lowest thermal conductivity?
- Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical…
- Often earing defects are found during deep drawing operation, because the
- Air standard Otto cycle is more efficient than the diesel cycle for the same
- Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)
- Maraging steels derive their strength from the following mechanism:
- Upto the critical radius of insulation, added insulation, will
- Pick out the wrong statement.
- Which of the following is not an explosive?
- Out of the following, the joint produced by __________ has the lowest strength.
- Hardening of steel is not possible, unless it is heated __________ critical point.
- The Al2O3 content of cryolite in Hall- Heroult cell is maintained between __________ percent.
- __________ number determines whether the fluid flow in an open channel is supercritical, critical or…
- The burnout heat flux in the nucleate boiling regime is not a function of the
- Tempering of a material does not improve its
- Thermal conductivity of a material does not depend upon its
- Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.
- The excess air required for the combustion of pulverised coal is of the order of about __________ percent.
- Carbon is present in the form of __________ in grey cast iron.
- A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C…
- Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying…
- Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel &…
- The atmospheric temperature during melting of ice/snow (in the atmosphere)
- A solar cell converts the sunlight directly into __________ energy.
- Fibrous fracture is normally encountered in the __________ materials.