Engineering Materials Brass contains 70 - 75% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 75% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High tensile strength All of these High machinability Low melting point High tensile strength All of these High machinability Low melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Nitriding of surface Shot peening Surface decarburisation Cold working Nitriding of surface Shot peening Surface decarburisation Cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 1400 to 1539°C 770 to 910°C 910 to 1440°C Below 723°C 1400 to 1539°C 770 to 910°C 910 to 1440°C Below 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Forms very hard carbides and thus increases wear resistance Promotes decarburisation Promotes retention of austenite Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes decarburisation Promotes retention of austenite Provides high hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal shrinks most from molten state to solid state? Cast steel Brass Cast iron Admiralty metal Cast steel Brass Cast iron Admiralty metal ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS