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 Heat rejection is lower Expansion & compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion & compression are isentropic Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Castability of aluminium is increased by the addition of __________ in it. Bismuth Manganese Lead Silicon Bismuth Manganese Lead Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Heat treated before use Welded steel cylinders Seamless & made of steel Made by sand casting Heat treated before use Welded steel cylinders Seamless & made of steel Made by sand casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. MnO₂ SiO₂ Al2O₃ P MnO₂ SiO₂ Al2O₃ P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C. 1147 1493 959 723 1147 1493 959 723 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals is the most prone to work hardening? Copper Brass Lead Aluminium Copper Brass Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP