Engineering Materials Amorphous material is one In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which is not attacked by phosphorous Which emits fumes on melting In which atoms align themselves in a geometric pattern upon solidification In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which is not attacked by phosphorous Which emits fumes on melting In which atoms align themselves in a geometric pattern upon solidification ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Silicon Carbon Manganese Sulphur Silicon Carbon Manganese Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C 400°C to 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by Optical microscope Naked eye Metallurgical microscope X-ray techniques Optical microscope Naked eye Metallurgical microscope X-ray techniques ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.3 0.7 0.55 0.45 0.3 0.7 0.55 0.45 ANSWER DOWNLOAD EXAMIANS APP