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 Expansion & compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion & compression are isentropic Maximum temperature is higher Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Lead lined reactor Painted steel Case hardened steel Galvanised iron Lead lined reactor Painted steel Case hardened steel Galvanised iron 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. Increases Decreases Shows inversion of solubility None of these Increases Decreases Shows inversion of solubility None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the most ductile material is Mild steel Copper Nickel Aluminium Mild steel Copper Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength. Shot peening Lancing Slugging Spinning Shot peening Lancing Slugging Spinning ANSWER DOWNLOAD EXAMIANS APP
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