Engineering Materials The usual composition of a soldering alloy is Tin and copper Tin, lead and silver Tin and lead Tin, lead and small percentage of antimony Tin and copper Tin, lead and silver Tin and lead Tin, lead and small percentage of antimony ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by Naked eye Optical microscope X-ray techniques Metallurgical microscope Naked eye Optical microscope X-ray techniques Metallurgical microscope ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Remain same Increases Decreases None of these Remain same Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 80% copper and 20% beryllium 99% copper and 1% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium 80% copper and 20% beryllium 99% copper and 1% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese in steel increases its Tensile strength Fluidity Hardness Ductility Tensile strength Fluidity Hardness Ductility ANSWER DOWNLOAD EXAMIANS APP