Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Between the first & second Between the second & third Above the highest Above the lowest Between the first & second Between the second & third Above the highest Above the lowest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is done (in electric furnace) at __________ °C. 510 910 2210 1720 510 910 2210 1720 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material capable of undergoing large permanent deformation, when subjected to tension is termed as Friable Ductile None of these Brittle Friable Ductile None of these Brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow plastic deformation of metals under a constant stress is termed as __________ failure. Fatigue Endurance Creep None of these Fatigue Endurance Creep None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction Has a body centred cubic (bcc) crystal lattice structure Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Is used as an alloying element for both ferrous & non-ferrous alloys Has a body centred cubic (bcc) crystal lattice structure Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Is used as an alloying element for both ferrous & non-ferrous alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal (used for making bearings) comprises of Mainly tin (85%) and lead Saw dust and iron dust mixture Copper and aluminium Zinc and aluminium Mainly tin (85%) and lead Saw dust and iron dust mixture Copper and aluminium Zinc and aluminium ANSWER DOWNLOAD EXAMIANS APP