Engineering Materials Thermoplastic materials are those materials which Are formed into shape under heat and pressure and results in a permanently hard product Are flexible and can withstand considerable wear under suitable conditions Are used as a friction lining for clutches and brakes 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 flexible and can withstand considerable wear under suitable conditions Are used as a friction lining for clutches and brakes Do not become hard with the application of heat and pressure and no chemical change occurs ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid steel contains following percentage of carbon 0.008 0.0063 0.0002 0.003 0.008 0.0063 0.0002 0.003 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.008 0.013 0.002 0.02 0.008 0.013 0.002 0.02 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Increases hardness and brittleness Aids fusibility and fluidity Makes the iron soft and easily machinable Make the iron white and hard Increases hardness and brittleness Aids fusibility and fluidity Makes the iron soft and easily machinable Make the iron white and hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Decrease Increase First increase and then decrease Remain same Decrease Increase First increase and then decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Above melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Above melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP