Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Increases Shows inversion of solubility None of these Decreases Increases Shows inversion of solubility None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase. Percent elongation Modulus of resilience Modulus of toughness Ultimate tensile strength (UTS) Percent elongation Modulus of resilience Modulus of toughness Ultimate tensile strength (UTS) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Emissivity independent of wavelength Grey appearance to the eye Zero reflectivity Equal brightness in all directions Emissivity independent of wavelength Grey appearance to the eye Zero reflectivity Equal brightness in all directions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating. Cementite Martensite Pearlite Austenite Cementite Martensite Pearlite Austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about 0.95902777777778 0.37569444444444 1.2090277777778 0.70902777777778 0.95902777777778 0.37569444444444 1.2090277777778 0.70902777777778 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Sand Calcium silicate Iron pyrite Magnesium silicate Sand Calcium silicate Iron pyrite Magnesium silicate ANSWER DOWNLOAD EXAMIANS APP