Chemical Engineering Basics Which of the following welding processes employs the highest welding temperature ? Arc welding Resistance welding Gas welding Thermit welding Arc welding Resistance welding Gas welding Thermit welding ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Toughness of a material is measured by the Universal testing machine Scratch test Notched bar test Vicker's hardness test Universal testing machine Scratch test Notched bar test Vicker's hardness test ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In a casting, cold shut defect is caused by Very low mould permeability Melt-mould reactions Faulty gating system Low pounhg temperature Very low mould permeability Melt-mould reactions Faulty gating system Low pounhg temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which one is neutral in character ? N₂O N₂O₄ N₂O₅ N₂O₃ N₂O N₂O₄ N₂O₅ N₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Increases None of these Shows inversion of solubility Decreases Increases None of these Shows inversion of solubility Decreases ANSWER DOWNLOAD EXAMIANS APP
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