Powder metallurgy process does not make metal powder by
Atomisation
Grinding/milling
Hammering
Electrolytic deposition
- One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
- Often earing defects are found during deep drawing operation, because the
- The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic…
- Maximum permissible sulphur content in steel is __________ percent.
- While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous…
- A spring material should have low
- Powder metallurgy is used to produce
- Globular form of cementite is formed during the __________ process.
- Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition…
- The underground well of a biogas plant is called the
- The atmospheric temperature during melting of ice/snow (in the atmosphere)
- Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.
- Spark plug is provided in a/an
- Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
- Projection welding & stud welding is categorised as the __________ welding.
- A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through…
- Which of the following is resistant to the action of both heat & chemicals?
- The mechanism involved in the removal of metal in drilling operation is by
- Cementite is in the lamellar form in the __________ phase of steel.
- A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K…
- Rankine cycle comprises of two isothermal and two __________ processes.
- About __________ ton of coke is required in a cupola to produce one ton of casting.
- Electrometallurgy is not involved in the extraction of __________ from its ore.
- In inventory control theory, the economic order quantity (EOQ) is the
- In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The…
- Which of the following is an ore dressing operation?
- The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________…
- For separating small pieces of metal from engine oil of a car, the best separating technique is the
- An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform…
- Temperature attained in soldering of metals is about __________ °C.