A. 0.21
B. 3.76
C. 4.76
D. 0.79
Fuels and Combustion
Fuels and Combustion
A. Ignites less easily than anthracite
B. Is generally coking
C. Burns with smoky yellow flame
D. Both B. and C.
A. Reduces its ash & sulphur content
B. Improves its coking properties
C. Increase the fusion point of its ash by removing chlorine compounds
D. All A., B. and C.
A. Process of conversion of lignite into anthracite
B. Underground gasification of coal
C. Complete combustion of coal
D. Direct hydrogenation of coal
A. 1
B. < 1
C. > 1
D. Unpredictable
A. It contains large amount of volatile matter
B. It is stored in tall heaps
C. Smaller fines are stored in large quantity
D. All A., B. and C.
A. Low
B. High
C. Very high, if the fuel is of low calorific value
D. None of these
A. Combustion of fuel is complete
B. Smaller height chimney can be used
C. Furnace control is easier
D. All A., B. & C.
A. 19
B. 21
C. 23
D. 29
A. 400-500
B. 900-1000
C. 1400-1500
D. 1700-1800
