Engineering Materials Bell metal contains 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 600 VPN 250 VPN 1000 to 1100 VPN 1500 VPN 600 VPN 250 VPN 1000 to 1100 VPN 1500 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability Hardness and strength Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 400°C to 600°C 600°C to 900°C 900°C to 1400°C 1400°C to 1530°C 400°C to 600°C 600°C to 900°C 900°C to 1400°C 1400°C to 1530°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Amorphous material is one In which atoms align themselves in a geometric pattern upon solidification Which emits fumes on melting Which is not attacked by phosphorous In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid In which atoms align themselves in a geometric pattern upon solidification Which emits fumes on melting Which is not attacked by phosphorous In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in austenite is 0.0026 0.00025 0.017 0.008 0.0026 0.00025 0.017 0.008 ANSWER DOWNLOAD EXAMIANS APP
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