Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of All of these Oxides Carbonates Sulphides All of these Oxides Carbonates Sulphides ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Remain same Decreases None of these Increases Remain same Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It contains carbon of the order of 0 to 0.25% It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It is very soft and ductile It melts at 1535°C It contains carbon of the order of 0 to 0.25% It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It is very soft and ductile It melts at 1535°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Cold working Shot peening Nitriding of surface Surface decarburisation Cold working Shot peening Nitriding of surface Surface decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in austenite is 0.008 0.017 0.00025 0.0026 0.008 0.017 0.00025 0.0026 ANSWER DOWNLOAD EXAMIANS APP