Engineering Materials Super conduction by metals is observed in the temperature range of Around 100°C Below 10°K Around 0°C Above 100°K Around 100°C Below 10°K Around 0°C Above 100°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Different crystal structures at different temperatures Atoms distributed in random pattern Any one of the above Fixed structure at all temperatures Different crystal structures at different temperatures Atoms distributed in random pattern Any one of the above Fixed structure at all temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Are used as a friction lining for clutches and brakes Are flexible and can withstand considerable wear under suitable conditions Do not become hard with the application of heat and pressure and no chemical change occurs Are formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes Are flexible and can withstand considerable wear under suitable conditions Do not become hard with the application of heat and pressure and no chemical change occurs Are formed into shape under heat and pressure and results in a permanently hard product ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature 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 The average grain size is a minimum The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 900°C to 1400°C 600°C to 900°C 400°C to 600°C 1400°C to 1530°C 900°C to 1400°C 600°C to 900°C 400°C to 600°C 1400°C to 1530°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 48 RC 80 RC 57 RC 65 RC 48 RC 80 RC 57 RC 65 ANSWER DOWNLOAD EXAMIANS APP
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