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. 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 Expansion & compression are isentropic Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Iron pyrite Calcium silicate Sand Magnesium silicate Iron pyrite Calcium silicate Sand Magnesium silicate 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. Shows inversion of solubility Increases None of these Decreases Shows inversion of solubility Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, which will fracture most readity, when hit with a hard hammer ? Brass German silver Bronze Cast iron Brass German silver Bronze Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating. Pearlite Austenite Martensite Cementite Pearlite Austenite Martensite Cementite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Boron Phosphorous Nitrogen Carbon Boron Phosphorous Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP