Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Increases Shows inversion of solubility None of these Decreases Increases Shows inversion of solubility None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Zero reflectivity Emissivity independent of wavelength Grey appearance to the eye Equal brightness in all directions Zero reflectivity Emissivity independent of wavelength Grey appearance to the eye Equal brightness in all directions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lead is poured into the joint between two __________ pipes. Mild steel Cast iron Concrete Asbestos cement Mild steel Cast iron Concrete Asbestos cement ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Boiler draught of 10 mm water column is equivalent to 10 kgf/mm² 1 kgf/mm² 10 kgf/m² 1 kgf/m² 10 kgf/mm² 1 kgf/mm² 10 kgf/m² 1 kgf/m² 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. 2400 3000 1800 2000 2400 3000 1800 2000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Factor of safety is the ratio of the __________ stress to the working stress. Bearing Yield Tensile Compressive Bearing Yield Tensile Compressive ANSWER DOWNLOAD EXAMIANS APP
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