Mass Transfer
Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

Higher wet bulb temperature
Higher dew point
Higher absolute (specific) humidity
Higher relative humidity

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Use of raschig rings in place of crushed stones as packing in packed beds (other things being same)

Increases pressure drop, decreases surface area
Increases pressure drop, increases surface area
Decreases pressure drop, decreases surface area
Decreases pressure drop, increases surface area

ANSWER DOWNLOAD EXAMIANS APP