Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature Increases but dew point remains constant Decreases but dew point remains constant Decreases & the dew point increases Increases & the dew point decreases Increases but dew point remains constant Decreases but dew point remains constant Decreases & the dew point increases Increases & the dew point decreases 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 23/2 21/3 25/2 23 23/2 21/3 25/2 ANSWER DOWNLOAD EXAMIANS APP
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 Conduction Convection Nucleate boiling Radiation Conduction Convection Nucleate boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Function of feed check valve in a boiler is to Prevent the back flow of water Check the water level in the boiler drum Facilitate circulation of high pressure feed water Regulate the water flow to boiler Prevent the back flow of water Check the water level in the boiler drum Facilitate circulation of high pressure feed water Regulate the water flow to boiler ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10000 1000 100 10 10000 1000 100 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Case hardened steel Galvanised iron Painted steel Lead lined reactor Case hardened steel Galvanised iron Painted steel Lead lined reactor ANSWER DOWNLOAD EXAMIANS APP
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