Dielectric
Is an electrical insulating material
Of low resistivity is preferred
Should have high thermal conductivity
Need not defy the corrosive action of chemicals
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- Normalising does not __________ of a metal.
- Blast furnace slag is mainly molten
- Pick out the wrong statement.
- Heat transfer by __________ is almost absent in case of fluidised bed drying operation.
- Which one is neutral in character?
- Which of the following is an undesirable property of slag produced during the Pyrometallurgical method…
- Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.
- Maximum consumption of limestone is in the __________ industry.
- Normalising of a casting does not
- With increase in temperature, the electrical conductivity of a __________ decreases.
- Specific __________ is a dimensionless quantity.
- Silicon percentage in the silicon steel used for electrical appliances/equipments is
- Lead pencil contains
- Insulation of liquid surface can be achieved by __________ on top of its surface.
- Inertial forces are obtained, when the elastic forces are multiplied by __________ number.
- Which of the following materials has the least scrap value?
- A thin, flat & square plate measuring 2 m × 2 m is freely hanging in ambient air at 25°C.…
- __________ has the highest melting point out of the following.
- A form of stress corrosion failure termed as 'season cracking' is generally observed in
- Most of the phosphorous present in the blast furnace burden enters into
- Which of the following low melting alloy containing bismuth and lead is used for electric fuse?
- Pick out the wrong statement.
- Titanium is produced by __________ of Ti Cl4.
- Drossing is a __________ operation.
- With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________…
- Potable water means the water used for
- Heating of ferromagnetic materials to a temperature above Curie temperature makes it
- __________ joint is mostly used for joining pipes carrying water at low pressure.
- Chromium molybdenum steel cannot be welded using __________ welding.
- Principal alloying element in Elinvar (used for making hair springs for watches) is