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. Convection Radiation Conduction Nucleate boiling Convection Radiation Conduction Nucleate boiling 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 Derivative Integral Proportional None of these Derivative Integral Proportional ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Painted steel Galvanised iron Lead lined reactor Case hardened steel Painted steel Galvanised iron Lead lined reactor Case hardened steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Free oxygen is removed from boiler feed water, because it Causes explosion None of these Is corrosive Reduces heat transfer co-efficient Causes explosion None of these Is corrosive Reduces heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Isotropic materials have the same __________ in all directions. Elastic properties Induced stresses Density Thermal properties Elastic properties Induced stresses Density Thermal properties ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Shaft/rotor speed is most accurately measured by a Tachometer Strobometer Speedometer Frequency counter Tachometer Strobometer Speedometer Frequency counter ANSWER DOWNLOAD EXAMIANS APP
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