Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Retained austenite Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Martensite formation Retained austenite Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Martensite formation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In a casting, cold shut defect is caused by Very low mould permeability Low pounhg temperature Melt-mould reactions Faulty gating system Very low mould permeability Low pounhg temperature Melt-mould reactions Faulty gating system ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is not a heat treatment process. Martempering Cyaniding Pakerising Austempering Martempering Cyaniding Pakerising Austempering ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, which will fracture most readity, when hit with a hard hammer ? Cast iron German silver Brass Bronze Cast iron German silver Brass Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 240000 J 60000 J 90000 J 30000 J 240000 J 60000 J 90000 J 30000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres 25 35 55 75 25 35 55 75 ANSWER DOWNLOAD EXAMIANS APP
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