Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (4De/t) (De/t)1/2 (4De/πt)1/2 (De.t)1/2 (4De/t) (De/t)1/2 (4De/πt)1/2 (De.t)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is used for the concentration of rubber latex? Calendria Long tube vertical evaporator Short tube evaporator Agitated film evaporator Calendria Long tube vertical evaporator Short tube evaporator Agitated film evaporator ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Component molecules are nonpolar Size of component molecules are not equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Attractive forces between like and unlike molecules in the solution are approximately equal Component molecules are nonpolar Size of component molecules are not equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Attractive forces between like and unlike molecules in the solution are approximately equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during evaporative cooling process with recirculated water supply? Partial pressure of vapour None of these Wet bulb temperature Relative humidity Partial pressure of vapour None of these Wet bulb temperature Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In most of the vacuum crystalliser, vacuum is generally produced by means of a Suction pump Steam jet ejector with a barometric condenser None of these Compressed air jet Suction pump Steam jet ejector with a barometric condenser None of these Compressed air jet ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The critical moisture content in case of drying indicates the __________ rate period. None of these Beginning of falling End of falling Beginning of constant None of these Beginning of falling End of falling Beginning of constant ANSWER DOWNLOAD EXAMIANS APP