Engineering Materials Quenching is not necessary when hardening is done by Case hardening Any one of these Flame hardening Nitriding Case hardening Any one of these Flame hardening Nitriding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 50% or more iron 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 50% or more iron 80% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 50 : 20 : 20 : 10 50 : 20 : 10 : 20 40 : 30 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 20 : 10 50 : 20 : 10 : 20 40 : 30 : 20 : 10 30 : 20 : 30 : 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 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 800°C to 1000°C 1200°C to 1300°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Weld decay is the phenomenon found with Mild steel Nonferrous materials Stainless steel Cast iron Mild steel Nonferrous materials Stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Brittle Acidic Neutral Basic Brittle Acidic Neutral Basic ANSWER DOWNLOAD EXAMIANS APP