Chemical Engineering Basics The best criterion for analysing an economic investment is the Rate of return criterion Salvage value Present value method Future value method Rate of return criterion Salvage value Present value method Future value method ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Lead lined reactor Case hardened steel Galvanised iron Painted steel Lead lined reactor Case hardened steel Galvanised iron Painted steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Deformation band is absent in materials having __________ lattice crystal structure. Bcc Fcc None of these Hcp Bcc Fcc None of these Hcp ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A suitable lubricant used for watches is Hazel-nut oil Grease Metallic soap solution Palm oil Hazel-nut oil Grease Metallic soap solution Palm oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is a boiler accessory i.e., not a boiler mounting ? Feed water pump Feed check valve Blow off cock Stop valve Feed water pump Feed check valve Blow off cock Stop valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Mixture of water and air Jet of water at high pressure Blast of air Rain of molten lead Mixture of water and air Jet of water at high pressure Blast of air Rain of molten lead ANSWER DOWNLOAD EXAMIANS APP
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