In magil circuit airflow is -: (A) 1/2 of minute volume, (B) equal to M.V., (C) 2 X M.V., (D) 3 X M.V.
Answer is B. In Magills it fresh gas flow is equal to minute volume. In Bains co-axial system or type D ,fresh air flow required to prevent rebreathing is 1.6minute volume