To what size are the particles ground for an economic balance between heat transfer rate from combustion gases plus residence time?
A. 200 mesh
B. 100 mesh
C. 50 mesh
D. 18 mesh
Answer:A
To what size are the particles ground for an economic balance between heat transfer rate from combustion gases plus residence time?
A. 200 mesh B. 100 mesh C. 50 mesh D. 18 mesh