Fuels and Combustion

A. Gives flue gas analysis on dry basis
B. Determines N2 in flue gas indirectly
C. Can’t determine CO in flue gas, if it is < 0.2%
D. All A., B. & C.

A. Strength
B. Bulk density
C. Reactivity

D. None of these

A. Preheating, blending and de-ashing the coal
B. Stamped charging of coal
C. Dry quenching of coke
D. All A., B. and C.

A. Nitrogen
B. Air
C. Phenolic water
D. Carbon dioxide

A. Moisture, ash, sulphur & volatile matter
B. Moisture, volatile matter, ash & fixed carbon
C. Moisture, sulphur, nitrogen & fixed carbon
D. None of these

A. 21
B. 77
C. 79
D. 29

A. 10
B. 25
C. 65
D. 90

A. 50
B. 70
C. 85
D. 100

A. 3 & 10
B. 10 & 3
C. 10 & 20
D. 15 & 8

A. Low calorific value
B. High volatile matter
C. Low ash content
D. Non smoking tendency