Chemical Engineering Basics Surface tension is due to the __________ forces. Difference between adhesive & cohesive Cohesive Adhesive Viscous Difference between adhesive & cohesive Cohesive Adhesive Viscous ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals reacts violently with water ? Calcium Sodium Mercury Magnesium Calcium Sodium Mercury Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system. Circulating fluidised bed Pulverised fuel Fluidised bed Travelling grate stoker firing Circulating fluidised bed Pulverised fuel Fluidised bed Travelling grate stoker firing ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Speed of a submarine in deep sea & that of an aeroplane is measured by a/an Pitot tube Rotameter Stroboscope Hot wire anemometer Pitot tube Rotameter Stroboscope Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is Both A & B Convection Conduction Radiation Both A & B Convection Conduction Radiation 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 Scale formation rate on economiser tubes increases 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 It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water Scale formation rate on economiser tubes increases 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
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