__________ are normally subjected to sub-zero treatment.
Highly stressed parts
Gauges or precision parts
Cold rolled sheets
Non machinable materials
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- Holes for riveting purposes should be preferably made by
- Friction factor for fluid flow in pipe does not depend upon the
- X-rays are
- Bad odour in sanitary latrines is reduced by periodically sprinkling
- Lead is added to 60:40 brass primarily to improve
- The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________…
- Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
- In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just…
- Out of the following the refractive index is the highest for
- The stress at which extension of the material takes place more rapidly as compared to the increase in…
- Pick out the wrong statement.
- Lead is poured into the joint between two __________ pipes.
- Cemented carbide tools are not suitable for cutting
- Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating…
- Drossing is a __________ operation.
- Powder metallurgy technique is used in the production of __________ tools.
- A material being tested for endurance strength is subjected to the __________ load.
- While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________…
- Stainless steel is welded using
- Ammonia leakage in the refrigeration system is detected by
- Encyclopaedia of Chemical Technology has been
- Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles…
- Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A.…
- The value of for air & most common gases can be safely assumed to be
- In an eutectic system, two elements are completely
- Water flow in the river during flood can be categorised as the __________ flow.
- Which of the following is not a dielectric material?
- Which of the following terminology is used for the temperature at which new grains are formed in a metal?
- __________ is a special constituent of chlorophyll without which photosynthesis is not possible.
- The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.