Non-ferrous alloys used for making cutting tools need not have high
Abrasion resistance
Toughness
Red hardness
Cutting speed
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- The elastic strain in copper is due to the
- Ammonia leakage in the refrigeration system is detected by
- Annealing of white cast iron produces __________ iron.
- Compressed dry air is used as the cutting fluid, while machining
- Consideration of the creep is the most important in case of the
- __________ of grey cast iron produces white cast iron.
- The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring…
- The same volume of all gases is representative of their
- Gratings is associated with the measurement of
- Normalising does not __________ of a metal.
- Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.
- An oxidation process is accompanied with decrease in the
- Titanium is added to molten aluminium alloys before casting for the purpose of
- Limestone addition in the blast furnace is done to flux __________ present in the raw materials.
- Often earing defects are found during deep drawing operation, because the
- Specific __________ is a dimensionless quantity.
- Which of the following metals cannot be hot worked at room temperature?
- Which of the following processes follows the hardening process for reducing the hardening strains &…
- A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
- Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
- In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean…
- Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
- Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented…
- The co-ordination number in simple cubic structure is
- Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional…
- Tumbling is the process of improving the __________ of the materials/parts.
- The most economical channel section for the fluid flow is the one for which the discharge is maximum…
- Water-tube boiler is the one, in which
- Fine grained steels have
- Between 230 and 370°C, blue brittleness is caused in mild steel because of the