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3?. 1Which of the following would likely occur if the air velocity supplied is less than the saltation velocity and greater than the choking velocity. [A] No material can be transported [C] No material can be transported horizontally horizontally but vertical transport exists. [B] No material can be transported [D] None of the above vertically 33. It is the ratio of the mass flowrate of solids to the mass flowrate of the conveying fluid. [A] Solids ratio [C] Solid-to-gas ratio [B] Solids loading ratio [D] All of the above 39. Which of the following statement is correct? [A] Dense-phase conveying is [C] Both a and b characterized by high pressure low velocity type of flow. [B] Dilute phase conveying is [D] None of the above characterized by high velocity low solid concentrations type of flow