Question: 2 1 . True / False: Pneumatic conveying systems are less efficient for transporting cohesive solid particles. 2 2 . True / False: Bubble size

21. True/False: Pneumatic conveying systems are less efficient for transporting cohesive solid particles.
22. True/False: Bubble size has no impact on gas holdup in bubble column reactors.
23. True/False: Trickle bed reactors do not suffer from issues like channeling and flooding.
24. True/False: Pressure drop analysis is an ineffective method for estimating volume fractions in multiphase flows.

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