Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Decreases & decreases Decreases & increases Increases & decreases Increases & increases Decreases & decreases Decreases & increases Increases & decreases Increases & 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. Maximum temperature is higher 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 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 Galvanised iron Case hardened steel Lead lined reactor Painted steel Galvanised iron Case hardened steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Machinable Abrasion resistant Corrosion resistant Prone to season cracking Machinable Abrasion resistant Corrosion resistant Prone to season cracking ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy process does not make metal powder by Atomisation Hammering Grinding/milling Electrolytic deposition Atomisation Hammering Grinding/milling Electrolytic deposition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of air does not increase with increase in temperature. Thermal diffusivity Thermal conductivity Density Viscosity Thermal diffusivity Thermal conductivity Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
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