What is/are the major difference(s) between disc and turbine type stir – McqOptions

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1.	What is/are the major difference(s) between disc and turbine type stirrer?
A.	Blades in disc type are projected out beyond the edge of disc while blades are curved one in turbine type
B.	Turbine type requires 50 % less air than disc type for the same yield and energy consumption
C.	Both (a) and (b)
D.	Number of blades in the stirrer
Answer» D. Number of blades in the stirrer

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