Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Radiation Nucleate boiling Convection Conduction Radiation Nucleate boiling Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The phenomenon of strain-ageing is generally experienced with High manganese steel High carbon steel Low carbon steel Cast iron High manganese steel High carbon steel Low carbon steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The stress at which a metal fails by fatigue lies Near the fracture point of the stress-strain curve In the elastic range None of these In the plastic range Near the fracture point of the stress-strain curve In the elastic range None of these In the plastic range ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action. None of these Integral Derivative Proportional None of these Integral Derivative Proportional ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air standard Otto cycle is more efficient than the diesel cycle for the same Compression ratio & pressure Heat addition & compression ratio Heat addition & pressure Cylinder dimension & rpm Compression ratio & pressure Heat addition & compression ratio Heat addition & pressure Cylinder dimension & rpm 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 Cheaper Reduced preferentially Lighter Oxidised preferentially Cheaper Reduced preferentially Lighter ANSWER DOWNLOAD EXAMIANS APP
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