A coal having high ratio of volatile matter to fixed carbon as compared
to a coal having low ratio of volatile matter to fixed carbon
(A) Is less liable to spontaneous combustion on storage
(B) Is more difficult to ignite and produces a shorter flame
(C) Requires smaller combustion space and less secondary air
(D) None of these
to a coal having low ratio of volatile matter to fixed carbon
(A) Is less liable to spontaneous combustion on storage
(B) Is more difficult to ignite and produces a shorter flame
(C) Requires smaller combustion space and less secondary air
(D) None of these