Process Equipment and Plant Design

A. Increases
B. Decreases
C. Remain same
D. May increase or decrease depending upon the solubility of the gas in the liquid

A. 1/5th
B. 1/15th
C. 1/30th
D. 1/50th

A. 0.25 to 4
B. 0.25 to 8
C. 1 to 5
D. 1 to 12

A. Not less than one-fourth of the tube diameter or 3/16″
B. More than the tube diameter
C. Equal to the tube diameter
D. More in case of triangular pitch as compared to the square pitch tube layout

A. 0.6-0.8 times
B. Equal to
C. Twice
D. 2 ft irrespective of (for column > 3 ft diameter)

A. 2-3
B. 18-22
C. 6-8
D. 12-15

A. Ultimate tensile strength (or yield point) of the material and operating temperature
B. Operating pressure and welding/joint efficiency
C. Diameter of the vessel
D. All A., B. and C.

A. Rivets
B. A hold down bar
C. Bolts
D. Both B. and C.

A. Less than arithmetic mean value
B. More than arithmetic mean value
C. More than geometric mean value
D. Both B. & C.

A. Decreases with increase in gas flow rate
B. Is inversely proportional to the mass of the dust particle
C. Is directly proportional to the radius of the dust particle path
D. None of these