FUELS AND COMBUSTION QUIZ

Has a high volatile matter content and burns with a luminous smoky flame

Is non-coking

All of these

Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named

Less reactive

Smaller in size

Stronger

All of these

Its pulverisation (as it requires more power)

Handling (e.g. when emptying wagons)

None of these

Combustion of fire slacks on the grates

Reduce its requirement for effecting the complete combustion

Complete the combustion of fuel

Increase the adiabatic flame temperature

Increase the calorific value of the fuel

Ash and a heating value of 13, 200 BTU/1b

Fixed carbon and a heating value of 132 BTU/1b

Fixed carbon and having a heat value of 13, 200 BTU/1b

None of these

Briquettes

Wood

Oil gas

Pitch creosote mixture

Ash disposal problem

Excessive fly-ash discharge from the stack

High power consumption in its transportation

Erosion of induced draft fan blades

Bright

Non-banded

Splint

Boghead

M40 > 98% and M10 < 2%

M40 > 78% and M10 < 10%

M40 > 10% and M10 < 78%

M40 > 4% and M10 < 80%

1800

800

10000

4500