Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature 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 Decreases & the dew point increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system Employs minimum quantity of refrigerant Consumer minimum horse power Is as light as possible Has very high C.O.P Employs minimum quantity of refrigerant Consumer minimum horse power Is as light as possible Has very high C.O.P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the dimensionless quantity is Mach number Density Specific weight Viscosity Mach number Density Specific weight Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these Volume of air in cylinder before compression to that after compression ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle. Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion & compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion & compression are isentropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Kinematic viscosity of water as compared to that of air is 15% less 15% more More Same 15% less 15% more More Same ANSWER DOWNLOAD EXAMIANS APP
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