Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 750 500 1100 900 750 500 1100 900 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead Can not be work hardened Is the hardest metal in common use Can not be scratched by finger nails Is the lightest metal in common use Can not be work hardened Is the hardest metal in common use Can not be scratched by finger nails Is the lightest metal in common use ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan used in thermocouples is an alloy of None of these Copper & aluminium Iron & copper Lead & tin None of these Copper & aluminium Iron & copper Lead & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The phenomenon in which slow extension of material takes place with the time at constant load is called Creep Ductility Plasticity Elasticity Creep Ductility Plasticity Elasticity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin in its pure form is used for making All of these Foil for wrapping cheese Collapsible tubes for toilet preparations Cans for food packing All of these Foil for wrapping cheese Collapsible tubes for toilet preparations Cans for food packing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS