Chemical Engineering Basics __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently. Bell and Spigot Expansion Flanged Collar Bell and Spigot Expansion Flanged Collar 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 ? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following phenomenon/ phenomena is/are diffusion controlled ? Recrystallisation Twinning Cross-slip Dislocation climb Recrystallisation Twinning Cross-slip Dislocation climb ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10000 100 1000 10 10000 100 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following materials has the maximum shrinkage allowance ? Lead Cast iron Brass Aluminium alloy Lead Cast iron Brass Aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Moisture Dry air Sunlight Pure oxygen Moisture Dry air Sunlight Pure oxygen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS