Engineering Materials Depth of hardness of steel is increased by addition of Tungsten Chromium Nickel Vanadium Tungsten Chromium Nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 1500°C to 1700°C 1200°C to 1300°C 800°C to 1000°C 400° to 700°C 1500°C to 1700°C 1200°C to 1300°C 800°C to 1000°C 400° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding All of these Cast iron High speed steel All nonferrous materials All of these Cast iron High speed steel All nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Are used as a friction lining for clutches and brakes Are formed into shape under heat and pressure and results in a permanently hard product Do not become hard with the application of heat and pressure and no chemical change occurs Are flexible and can withstand considerable wear under suitable conditions Are used as a friction lining for clutches and brakes Are formed into shape under heat and pressure and results in a permanently hard product Do not become hard with the application of heat and pressure and no chemical change occurs Are flexible and can withstand considerable wear under suitable conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Nickel, copper and zinc Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and iron Nickel, copper and zinc Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Chromium Manganese Nickel Vanadium Chromium Manganese Nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP