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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most detrimental impurity in high pressure boiler feed water is Dissolved salt Suspended salt Turbidity Silica Dissolved salt Suspended salt Turbidity Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of stress corrosion ? Caustic embrittlement of steel Both (a) & (b) Neither (a) nor (b) Season cracking of brass Caustic embrittlement of steel Both (a) & (b) Neither (a) nor (b) Season cracking of brass ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is 2CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 3CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating. Cementite Austenite Pearlite Martensite Cementite Austenite Pearlite Martensite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The total frictional resistance to fluid flow does not depend upon the Fluid density Roughness of the surface Fluid velocity Fluid pressure Fluid density Roughness of the surface Fluid velocity Fluid pressure ANSWER DOWNLOAD EXAMIANS APP
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