Chemical Engineering Basics Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses. Cold rolling Hot rolling Casting Forging Cold rolling Hot rolling Casting Forging ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Super conduction in metals is observed at a temperature of __________ °K. About 373 >100 About 273 About 373 >100 About 273 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Salvage value Present value method Future value method Rate of return criterion Salvage value Present value method Future value method Rate of return criterion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In a casting, cold shut defect is caused by Low pounhg temperature Melt-mould reactions Faulty gating system Very low mould permeability Low pounhg temperature Melt-mould reactions Faulty gating system Very low mould permeability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of hard alloy and tool steel is done to make it easily machinable. Annealing Case carburising Tempering Normalising Annealing Case carburising Tempering Normalising 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. 3000 1800 2000 2400 3000 1800 2000 2400 ANSWER DOWNLOAD EXAMIANS APP