Engineering Materials Thermoplastic materials are those materials which 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 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 Wrought iron All of these Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material All of these Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C above upper critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Malleable cast iron Nodular cast iron White cast iron Alloy cast iron Malleable cast iron Nodular cast iron White cast iron Alloy cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 2.5% phosphorous 0.5% of phosphorous None of these 1% phosphorous 2.5% phosphorous 0.5% of phosphorous None of these 1% phosphorous ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 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 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP
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