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. Combustion is at constant volume Maximum temperature is higher Heat rejection is lower Expansion & compression are isentropic Combustion is at constant volume Maximum temperature is higher Heat rejection is lower Expansion & compression are isentropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C. 3000 2000 1800 2400 3000 2000 1800 2400 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the most important element, which controls the physical properties of steel. Manganese Vanadium Carbon Silicon Manganese Vanadium Carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature Increases but dew point remains constant Increases & the dew point decreases Decreases & the dew point increases Decreases but dew point remains constant Increases but dew point remains constant Increases & the dew point decreases Decreases & the dew point increases Decreases but dew point remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is Tensile strength Creep Toughness Fatigue Tensile strength Creep Toughness Fatigue ANSWER DOWNLOAD EXAMIANS APP
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