Fuels and Combustion

A. 1000
B. 4000
C. 8000
D. 15000

A. Oxygen content
B. Caking power
C. Calorific value
D. None of these

A. Air
B. Oxygen
C. Either A. or B.
D. Either A. or B. without gain or loss of heat

A. Petrol
B. Diesel
C. Kerosene
D. LPG

A. Higher calorific value
B. Lower sulphur content
C. Higher emissivity (0.8-0.9) resulting in higher radiation heat transfer rate
D. Both A. and B.

A. Ammonia yield is more
B. Aliphatic tar is produced
C. Free carbon in tar is more
D. All A., B. and C.

A. Multicyclones
B. Bag filter
C. Wet scrubber
D. Hydrocyclones

A. Speed of the fan
B. Damper
C. Variation in the pitch of the fan blades
D. All A., B. and C.

A. CSR & CRI
B. Ash content
C. Moisture content
D. Volatile matter content

A. Lower bulk density
B. Lower strength
C. Higher reactivity
D. All A., B. and C.