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
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 800°C to 1000°C 1200°C to 1300°C 400° to 700°C 1500°C to 1700°C 800°C to 1000°C 1200°C to 1300°C 400° to 700°C 1500°C to 1700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. More than Less than None of these Equal to More than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Provides high hot hardness Promotes decarburisation Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Provides high hot hardness Promotes decarburisation Forms very hard carbides and thus increases wear resistance Promotes retention of austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Manganese Sulphur Silicon Phosphorus Manganese Sulphur Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of Close packed hexagonal space lattice None of these Body centered cubic space lattice Face centered cubic space lattice Close packed hexagonal space lattice None of these Body centered cubic space lattice Face centered cubic space lattice ANSWER DOWNLOAD EXAMIANS APP