Fusion point of coal ash generally varies from 1000 to 1700° C. Ash
having fusion point less than __________ °C is liable to form clinker.
(A) 1100
(B) 1250
(C) 1350
(D) 1400
having fusion point less than __________ °C is liable to form clinker.
(A) 1100
(B) 1250
(C) 1350
(D) 1400