Mass Transfer
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

None of these
Increased reflux ratio
Greater degree of separation with a fixed number of trays
Increased reboiler load

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Mass Transfer
For absorbing a sparingly soluble gas in a liquid

Liquid side mass transfer co-efficient should be decreased
Gas side mass transfer co-efficient should be increased
Mass transfer co-efficient must be kept constant
Liquid side mass transfer co-efficient should be increased

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