Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Increases None of these Shows inversion of solubility Decreases Increases None of these Shows inversion of solubility Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen. Fatigue Endurance Creep Tensile Fatigue Endurance Creep Tensile ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics What is the effect on the performance of the economiser in the thermal power plant boiler, if the feed water temperature is very low due to preheaters being out for repairs or starving of steam supply ? It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases Economiser tube life increases due to handling of low temperature water Scale formation rate on economiser tubes increases It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases Economiser tube life increases due to handling of low temperature water Scale formation rate on economiser tubes increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are 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 Heat treated before use ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Boiler draught of 10 mm water column is equivalent to 10 kgf/m² 1 kgf/mm² 10 kgf/mm² 1 kgf/m² 10 kgf/m² 1 kgf/mm² 10 kgf/mm² 1 kgf/m² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following materials has the maximum shrinkage allowance ? Lead Aluminium alloy Cast iron Brass Lead Aluminium alloy Cast iron Brass ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS