Chemical Engineering Basics The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is Convection Conduction Radiation Both A & B Convection Conduction Radiation Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Sunlight Moisture Pure oxygen Dry air Sunlight Moisture Pure oxygen Dry air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle. Expansion & compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher Expansion & compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10 1000 100 10000 10 1000 100 10000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of air does not increase with increase in temperature. Thermal diffusivity Density Thermal conductivity Viscosity Thermal diffusivity Density Thermal conductivity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Causes heat loss due to poor heat transfer Can be prevented by proper design Is immaterial Decreased compressor power Causes heat loss due to poor heat transfer Can be prevented by proper design Is immaterial Decreased compressor power ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS