Chemical Engineering Basics The stress at which a metal fails by fatigue lies None of these In the elastic range Near the fracture point of the stress-strain curve In the plastic range None of these In the elastic range Near the fracture point of the stress-strain curve In the plastic range ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For hardening high alloy steel, it is to be heated slowly and uniformly to avoid Warpage Local hardening Scale formation Segregation Warpage Local hardening Scale formation Segregation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C. 1800 2400 3000 2000 1800 2400 3000 2000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Powder metallurgy Casting Forging None of these Powder metallurgy Casting Forging None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is Fatigue Tensile strength Toughness Creep Fatigue Tensile strength Toughness Creep ANSWER DOWNLOAD EXAMIANS APP