Engineering Materials Brass contains 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 65 RC 80 RC 48 RC 57 RC 65 RC 80 RC 48 RC 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Corrosion resistance Improved Weldability Reduced neutron absorption cross-section Embrittlement Corrosion resistance Improved Weldability Reduced neutron absorption cross-section Embrittlement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C 770 to 910°C Below 723°C 1400 to 1539°C 910 to 1440°C 770 to 910°C Below 723°C 1400 to 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Does not effect None of these Increases Decreases Does not effect None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
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