Process Equipment and Plant Design
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

Increases
Remains same
May increase or decrease depending upon the solubility of the gas in the liquid
Decreases

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
In a shell and tube heat exchanger, the clearance of the tube is generally

More in case of triangular pitch as compared to the square pitch tube layout
More than the tube diameter
Not less than one-fourth of the tube diameter or 3/16"
Equal to the tube diameter

ANSWER DOWNLOAD EXAMIANS APP