Chemical Engineering Basics The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is Full annealing None of these Patenting Bright annealing Full annealing None of these Patenting Bright annealing 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 30000 J 60000 J 240000 J 90000 J 30000 J 60000 J 240000 J 90000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Convection Conduction Nucleate boiling Radiation Convection Conduction Nucleate boiling Radiation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. None of these Powder metallurgy Casting Forging None of these Powder metallurgy Casting Forging ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Seamless & made of steel Made by sand casting Heat treated before use Welded steel cylinders Seamless & made of steel Made by sand casting Heat treated before use Welded steel cylinders ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Super conduction in metals is observed at a temperature of __________ °K. About 273 >100 About 373 About 273 >100 About 373 ANSWER DOWNLOAD EXAMIANS APP
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