Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 27.3 20 21.7 18.7 27.3 20 21.7 18.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 1000 2500 2000 1500 1000 2500 2000 1500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Packed tower Wetted wall column Bubble-cap plate column Seive-plate column Packed tower Wetted wall column Bubble-cap plate column Seive-plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a single component absorber, the operating line is straight only when plotted in term of __________ units. Mole ratio Mole fraction Partial pressure None of these Mole ratio Mole fraction Partial pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat load in a cooling tower Both A & B Neither A nor B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Is equal to the number of kg, of water circulated times the cooling range Both A & B Neither A nor B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Is equal to the number of kg, of water circulated times the cooling range ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbant is used in the refinning of sugar? Activated clay Silica gel Bone charcoal Wood charcoal Activated clay Silica gel Bone charcoal Wood charcoal ANSWER DOWNLOAD EXAMIANS APP
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