Addition of silicon to cast iron
Promotes graphite module formation
Improves its ductility
Does not promote graphite flakes formation
Increases the fluidity of molten metal
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- Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial…
- Joule-Thomson co-efficient is the ratio of
- __________ test is the appropriate test to determine whether a material is ductile or brittle.
- Steel balls are manufactured by
- Mild steel has __________ crystal lattice structure.
- Pick out the correct combination about the role of various additives used in polymers.
- Tip of the match stick contains a mixture of
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- __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
- Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C…
- LVDT used for displacement measurement is a/an __________ transducer.
- The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.
- Copper deposits are found in India at the following location:
- In multipass welds, shot peening is done after each pass to
- Upto the critical radius of insulation, added insulation, will
- Diamagnetic materials
- The following type of bonding is strongly directional in solids.
- Out of the following, which will fracture most readity, when hit with a hard hammer?
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- Pick out the wrong statement.
- Energy of the sun arises mainly from __________ reactions.
- In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates,…
- Sub zero treatment of steel is done to
- The activity co-efficient of the solute in a dilute solution
- The most serious manufacturing defect from fracture toughness point of view is
- With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________…
- Air intake for an air compressor should be preferably taken from
- Pearlite comprises of