Engineering Materials
Admiralty gun metal contains

Iron scrap and zinc
Alloy of tin, lead and cadmium
88% copper, 10% tin and rest zinc
63 to 67% nickel and 30% copper

ANSWER DOWNLOAD EXAMIANS APP

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 flexible and can withstand considerable wear under suitable conditions
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

ANSWER DOWNLOAD EXAMIANS APP