A dense structure of grinding wheel is not used for the
Ductile material
Hard materials
Brittle materials
Finishing cuts
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- The activity co-efficient of the solute in a dilute solution
- Tempering of a material does not improve its
- Oxyacetylene reducing flame is used while carrying out welding on
- At absolute zero temperature, for any reaction involving condensed phases
- Lead is poured into the joints between two __________ pipes.
- The excess air required for the combustion of pulverised coal is of the order of about __________ percent.
- Which of the following fastening devices has its both ends threaded?
- The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation…
- Chromium molybdenum steel cannot be welded using __________ welding.
- Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.
- Glycerine is used as a coolant in cooling of some engines instead of water, because
- Cold heading or upsetting is categorised as the __________ process.
- __________ can replace tungsten in high speed steel.
- Electrochemical corrosion can occur, only if __________ is present in contact with metal.
- __________ temperature remains constant during adiabatic saturation process of unsaturated air.
- Chlorine acts as a bleaching agent only in the presence of
- The hardenability of steel decreases with
- Air intake for an air compressor should be preferably taken from
- Biological shield in a nuclear reactor is generally provided to protect against the
- The main constituent of bones is
- Which of the following is not used as a bearing material?
- Energy to be supplied to the radioactive nucleus for the emission of a neutron is __________ MeV.
- Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing…
- 'Flare tower' used in industry is meant for
- Which one of the following is incombustible?
- Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.
- Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
- Recrystallisation temperature of steel is __________ °C.
- A spring material should have low
- A thin, flat & square plate measuring 2 m × 2 m is freely hanging in ambient air at 25°C.…