Which is not correct statement about the function of furnace?
A. To provide proper conditions for continuous complete combustion
B. Mix fuel with air and ignite
C. Separate ash from coal
D. Maintain heat supply to prepare and ignite the incoming fuel
Answer: Option C
This Question Belongs to Mechanical Engineering >> Steam Boilers, Engines, Nozzles And Turbines
The expansion of steam in a nozzle follows
A. Carnot cycle
B. Rankine cycle
C. Joule cycle
D. Stirling cycle
A. Steam enters and exhausts through the same port
B. Steam enters at one end and exhausts at the centre
C. Steam enters at the centre and exhausts at the other end
D. None of the above
The mechanical draught _________ with the amount of smoke.
A. Increases
B. Decreases
C. Does not effect
D. None of these
A. Higher effectiveness of boiler
B. High calorific value coal being burnt
C. Fouling of heat transfer surfaces
D. Raising of steam temperature
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