Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Low temperature encountered at high altitude Its high heat transfer rate Its low unit weight per ton of refrigeration Its higher co-efficient of performance (COP) Low temperature encountered at high altitude Its high heat transfer rate Its low unit weight per ton of refrigeration Its higher co-efficient of performance (COP) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Cheaper Oxidised preferentially Reduced preferentially Lighter Cheaper Oxidised preferentially Reduced preferentially Lighter ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C. 597 1147 1493 959 597 1147 1493 959 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Swaging is a/an __________ operation. Extrusion Piercing Drawing Forging Extrusion Piercing Drawing Forging ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Friction factor for fluid flow in pipe does not depend upon the Mass flow rate of fluid Pipe roughness Pipe length Fluid density & viscosity Mass flow rate of fluid Pipe roughness Pipe length Fluid density & viscosity ANSWER DOWNLOAD EXAMIANS APP
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