Chemical Engineering Basics The best criterion for analysing an economic investment is the Present value method Future value method Rate of return criterion Salvage value Present value method Future value method Rate of return criterion Salvage value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The velocity of sound in air is independent of changes in its Temperature None of these Pressure Humidity Temperature None of these Pressure Humidity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lead is poured into the joints between two __________ pipes. Plastic Concrete Cast iron Steel Plastic Concrete Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system Consumer minimum horse power Has very high C.O.P Employs minimum quantity of refrigerant Is as light as possible Consumer minimum horse power Has very high C.O.P Employs minimum quantity of refrigerant Is as light as possible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Coke is added in the blast furnace to Reduce & melt the iron ore Increase the fluidity of slag None of these Remove sulphur & phosphorus from molten metal Reduce & melt the iron ore Increase the fluidity of slag None of these Remove sulphur & phosphorus from molten metal 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 Painted steel Galvanised iron Lead lined reactor Case hardened steel Painted steel Galvanised iron ANSWER DOWNLOAD EXAMIANS APP
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