Chemical Engineering Basics In the Bayer's process, bauxite is digested under pressure using NaOH H₂SO₄ NH₃ HCl NaOH H₂SO₄ NH₃ HCl ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type Parallel flow with unequal heat capacities Counter flow with equal heat capacities Counter flow with unequal heat capacities Parallel flow with equal heat capacities Parallel flow with unequal heat capacities Counter flow with equal heat capacities Counter flow with unequal heat capacities Parallel flow with equal heat capacities ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Shows inversion of solubility None of these Decreases Increases Shows inversion of solubility None of these Decreases Increases 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. Expansion & compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher Expansion & compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system. Circulating fluidised bed Travelling grate stoker firing Fluidised bed Pulverised fuel Circulating fluidised bed Travelling grate stoker firing Fluidised bed Pulverised fuel ANSWER DOWNLOAD EXAMIANS APP
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