Chemical Engineering Basics Which of the following welding processes employs the highest welding temperature ? Thermit welding Arc welding Gas welding Resistance welding Thermit welding Arc welding Gas welding Resistance welding ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Steel produced from phosphatic iron is __________ in nature. Tough Ductile Malleable Brittle Tough Ductile Malleable Brittle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of 0.084027777777778 0.043055555555556 0.042361111111111 0.044444444444444 0.084027777777778 0.043055555555556 0.042361111111111 0.044444444444444 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Its high heat transfer rate Its higher co-efficient of performance (COP) Its low unit weight per ton of refrigeration Low temperature encountered at high altitude Its high heat transfer rate Its higher co-efficient of performance (COP) Its low unit weight per ton of refrigeration Low temperature encountered at high altitude ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Salvage value Rate of return criterion Present value method Future value method Salvage value Rate of return criterion Present value method Future value method ANSWER DOWNLOAD EXAMIANS APP
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