Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Zero reflectivity Equal brightness in all directions Emissivity independent of wavelength Grey appearance to the eye Zero reflectivity Equal brightness in all directions Emissivity independent of wavelength Grey appearance to the eye ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ forces do not act in case of fluids. Vibratory Tensile Elastic Centrifugal Vibratory Tensile Elastic Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Pick out the wrong statement. If the net positive suction head (NPSH) requirement of a pump is not satisfied, then It will deliver low discharge of liquid It will not develop sufficient head to raise water It will be cavitated Its efficiency will not be affected It will deliver low discharge of liquid It will not develop sufficient head to raise water It will be cavitated Its efficiency will not be affected ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Enhance its working performance in sub zero atmosphere Induce temper brittleness after its hardening Suppress martensite transformation Reduce the retained austenite in hardened steel Enhance its working performance in sub zero atmosphere Induce temper brittleness after its hardening Suppress martensite transformation Reduce the retained austenite in hardened steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Angular displacement can be measured suitably by a Stroboscope Shaft encoder Tachometer Linear variable differential transducer (LVDT) Stroboscope Shaft encoder Tachometer Linear variable differential transducer (LVDT) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Low temperature encountered at high altitude Its higher co-efficient of performance (COP) Its high heat transfer rate Its low unit weight per ton of refrigeration Low temperature encountered at high altitude Its higher co-efficient of performance (COP) Its high heat transfer rate Its low unit weight per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
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