Equivalent evaporation of water is the evaporation for a feed water supply at 100°C
A. And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm2
B. And its corresponding conversion into dry steam at desired boiler pressure
C. Conversion into steam at atmospheric condition
D. Conversion into steam at the same pressure at which feed water is supplied
Answer: Option A
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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