Chemical Engineering Basics For hardening high alloy steel, it is to be heated slowly and uniformly to avoid Scale formation Warpage Local hardening Segregation Scale formation Warpage Local hardening Segregation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Rate of return criterion Salvage value Future value method Present value method Rate of return criterion Salvage value Future value method Present value method ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Steel produced from phosphatic iron is __________ in nature. Ductile Malleable Brittle Tough Ductile Malleable Brittle Tough ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Decreased compressor power Causes heat loss due to poor heat transfer Is immaterial Can be prevented by proper design Decreased compressor power Causes heat loss due to poor heat transfer Is immaterial Can be prevented by proper design ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Decreases & increases Increases & decreases Decreases & decreases Increases & increases Decreases & increases Increases & decreases Decreases & decreases Increases & increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The velocity at which individual particles from a fluidised bed are carried away by the fluid passing through it, is defined as the Superficial velocity Terminal velocity Elutriation velocity Minimum fluidisation velocity Superficial velocity Terminal velocity Elutriation velocity Minimum fluidisation velocity ANSWER DOWNLOAD EXAMIANS APP
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