Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Packed Bubble cap Wetted wall Perforated tray Packed Bubble cap Wetted wall Perforated tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Percentage saturation is __________ the relative saturation. Not related to Always smaller than Always greater than None of these Not related to Always smaller than Always greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Only small amount of evaporation of water produces large cooling effects because of its Small latent heat None of these Large latent heat Low viscosity Small latent heat None of these Large latent heat Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same. Both A & B Neither A nor B Unsaturated surface Constant rate Both A & B Neither A nor B Unsaturated surface Constant rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Wet bulb temperature Partial pressure of vapour Relative humidity Both B and C Wet bulb temperature Partial pressure of vapour Relative humidity Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Sieve-plate column Randomly packed column Packed column (stacked) Bubble-cap column Sieve-plate column Randomly packed column Packed column (stacked) Bubble-cap column ANSWER DOWNLOAD EXAMIANS APP
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