Engineering Materials Which of the following constituents of steels is softest and least strong? Austenite Ferrite Cementite Pearlite Austenite Ferrite Cementite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 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 70% copper and 30% zinc 70 - 75% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High machinability Low melting point All of these High tensile strength High machinability Low melting point All of these High tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Phosphorus Silicon Manganese Sulphur Phosphorus Silicon Manganese Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel steel Chrome steel Silicon steel Nickel-chrome steel Nickel steel Chrome steel Silicon steel Nickel-chrome steel ANSWER DOWNLOAD EXAMIANS APP