Engineering Materials Thermoplastic materials are those materials which Do not become hard with the application of heat and pressure and no chemical change occurs Are used as a friction lining for clutches and brakes 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 Do not become hard with the application of heat and pressure and no chemical change occurs Are used as a friction lining for clutches and brakes 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase endurance strength Reduce machinability Increase hardenability Increase wear resistance Increase endurance strength Reduce machinability Increase hardenability Increase wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel primarily depends on Percentage of carbon Heat treatment employed Percentage of alloying elements Shape of carbides and their distribution in iron Percentage of carbon Heat treatment employed Percentage of alloying elements Shape of carbides and their distribution in iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Mica Lead Silver Glass Mica Lead Silver Glass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Invar Magnin Elinvar Nichrome Invar Magnin Elinvar Nichrome ANSWER DOWNLOAD EXAMIANS APP