Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? Silicon steel None of these Chromium steel Molybdenum steel Silicon steel None of these Chromium steel Molybdenum steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softening of hardned steel is done by its Tempering Annealing Carburising Normalising Tempering Annealing Carburising Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high amount of silicon in cast iron Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the formation of graphite Increases the contraction of the metal Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the formation of graphite Increases the contraction of the metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Invar used in thermocouples is an alloy of nickel and Lead Chromium Iron Copper Lead Chromium Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by addition polymerisation? Phenol formaldehyde Polybutadiene Dacron Urea-formaldehyde Phenol formaldehyde Polybutadiene Dacron Urea-formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is not a case hardening process. Carburising Cyaniding Nitriding Annealing Carburising Cyaniding Nitriding Annealing ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS