Chemical Engineering Basics Castability of aluminium is increased by the addition of __________ in it. Bismuth Silicon Lead Manganese Bismuth Silicon Lead Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Sufficient hydrogen present in the welding arc Retained austenite Relatively high sulphur content in the base metal Martensite formation Sufficient hydrogen present in the welding arc Retained austenite Relatively high sulphur content in the base metal Martensite formation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Function of feed check valve in a boiler is to Regulate the water flow to boiler Facilitate circulation of high pressure feed water Prevent the back flow of water Check the water level in the boiler drum Regulate the water flow to boiler Facilitate circulation of high pressure feed water Prevent the back flow of water Check the water level in the boiler drum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ forces do not act in case of fluids. Elastic Tensile Centrifugal Vibratory Elastic Tensile Centrifugal Vibratory 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 ? 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 Economiser tube life increases due to handling of low temperature water Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases 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 Economiser tube life increases due to handling of low temperature water Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of air does not increase with increase in temperature. Thermal conductivity Density Viscosity Thermal diffusivity Thermal conductivity Density Viscosity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP