Materials and Construction The presence of impurities in iron Increases its melting point Decreases its melting point Makes it malleable Does not affect its melting point Increases its melting point Decreases its melting point Makes it malleable Does not affect its melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is not a case hardening process. Cyaniding Carburising Annealing Nitriding Cyaniding Carburising Annealing Nitriding ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The metals occuring at the lower most position in the electromotive series Resist corrosion very strongly Do not resist corrosion Are heat insulators Are very brittle Resist corrosion very strongly Do not resist corrosion Are heat insulators Are very brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Lower critical Upper critical Eutectic Recrystallisation Lower critical Upper critical Eutectic Recrystallisation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metals used for making bearings are Having homogenous microstructure Short of antifrictional properties Yellow metals Tin or lead based alloys Having homogenous microstructure Short of antifrictional properties Yellow metals Tin or lead based alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Tungsten Constantan German silver Nichrome Tungsten Constantan German silver Nichrome ANSWER DOWNLOAD EXAMIANS APP
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