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 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 Combustion is at constant volume Heat rejection is lower Maximum temperature is higher Expansion & compression are isentropic Combustion is at constant volume Heat rejection is lower Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ? Enthalpy-pressure Temperature - entropy Enthalpy - entropy Temperature - pressure Enthalpy-pressure Temperature - entropy Enthalpy - entropy Temperature - pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For hardening high alloy steel, it is to be heated slowly and uniformly to avoid Scale formation Local hardening Warpage Segregation Scale formation Local hardening Warpage Segregation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Brinell Hardness Number (BHN) for talc is approximately in the range of 1-5 200-250 20-30 100-150 1-5 200-250 20-30 100-150 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxyacetylene reducing flame is used while carrying out welding on High carbon steel Grey cast iron Alloy steel Mild steel High carbon steel Grey cast iron Alloy steel Mild steel ANSWER DOWNLOAD EXAMIANS APP