Compressed dry air is used as the cutting fluid, while machining
Steel
Cast iron
Aluminium
None of these
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- Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam…
- Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A.…
- Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an…
- Oxide layer formed on the non-ferrous metal surface after its annealing is
- During sensible cooling of air, its wet bulb temperature
- A material being tested for endurance strength is subjected to the __________ load.
- Galvanic corrosion cannot be prevented by
- Shaft/rotor speed is most accurately measured by a
- Dew point temperature always gives an indication of the __________ of the moist air.
- __________ flux is used for the extraction of metal from its self fluxing ores.
- Which of the following is prone to cup and cone fracture?
- Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
- Cassiterite is an ore of
- __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where…
- Fibre reinforced plastic (FRP) are
- The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and…
- Normalising does not __________ of a metal.
- Cupola produces __________ iron.
- The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
- In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which…
- Pick out the wrong statement about nucleate boiling.
- Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded…
- The most abundant metal present in the earth's crust is;
- Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
- In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external…
- Pick out the wrong statement about coating/electroplating of metals.
- __________ has the highest melting point out of the following.
- Electrostatic separation of minerals from each other is based on their differences in the following…
- In the Bayer's process, bauxite is digested under pressure using
- In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient…