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 low unit weight per ton of refrigeration Its high heat transfer rate Low temperature encountered at high altitude Its higher co-efficient of performance (COP) Its low unit weight per ton of refrigeration Its high heat transfer rate 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 Oxidised preferentially Reduced preferentially Cheaper Lighter Oxidised preferentially Reduced preferentially Cheaper Lighter ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Shaft/rotor speed is most accurately measured by a Speedometer Strobometer Tachometer Frequency counter Speedometer Strobometer Tachometer Frequency counter ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If the head is doubled in & centrifugal pump, the power required will increase in the ratio of 23/2 21/3 25/2 23 23/2 21/3 25/2 23 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience. Maximum point Yield strength Proportional limit Elastic limit Maximum point Yield strength Proportional limit Elastic limit ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature Decreases & the dew point increases Decreases but dew point remains constant Increases & the dew point decreases Increases but dew point remains constant Decreases & the dew point increases Decreases but dew point remains constant Increases & the dew point decreases Increases but dew point remains constant ANSWER DOWNLOAD EXAMIANS APP
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