Hold up of material in a operating rotary drier is in the range of___________________? March 17, 2020 – by admin Hold up of material in a operating rotary drier is in the range of___________________? A. 0.05 to 0.15 (Correct) B. 0.25 to 0.50 C. 0.5 to 0.8 D. 0.8 to 0.9
