Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Decreases Shows inversion of solubility None of these Increases Decreases Shows inversion of solubility None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Iron pyrite Magnesium silicate Calcium silicate Sand Iron pyrite Magnesium silicate Calcium silicate Sand ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Routing in production, planning & control is concerned with the Balancing of load on machines Authorisation of work to be performed Progress of work performed Sequence of operation to be performed Balancing of load on machines Authorisation of work to be performed Progress of work performed Sequence of operation to be performed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses. Casting Forging Cold rolling Hot rolling Casting Forging Cold rolling Hot rolling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent. 150 200 400 300 150 200 400 300 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 Heat rejection is lower 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 ANSWER DOWNLOAD EXAMIANS APP