Deaerative heating is done to
A. heat the water
B. heat the air in the water
C. remove dissolved gases in the water
Related Mcqs:
- In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating________________?
A. decreases with increase in Rankine cycle efficiency
B. increases with increase in Rankine cycle efficiency
C. is unaffected by increase in Rankine cycle efficiency
D. none of the above - In a regenerative feed heating cycle, the greatest economy is affected___________?
A. when steam is extracted from only one suitable point of steam turbine
B. when steam is extracted from several places in different stages of steam turbine
C. when steam is extracted only from the last stage of steam turbine
D. when steam is extracted only from the first stage of steam turbine - The maximum percentage gain in Regenerative feed heating cycle thermal efficiency____________?
A. increases with number of feed heaters increasing
B. decreases with number of feed heaters increasing
C. remains same unaffected by number of feed heaters
D. none of the above - Binary’vapour cycles are used to_____________?
A. increase the performance of the condenser
B. increase the efficiency of the plant
C. increase efficiency of the turbine - Primary air is that air which is used to_____________?
A. reduce the flame length
B. increase the flame length
C. transport and dry the coal
D. provide air around burners for get¬ting optimum combustion - Compounding of steam turbine is done for_______________?
A. reducing the work done
B. increasing the rotor speed
C. reducing the rotor speed
D. balancing the turbine - The percentage 02 by volume in atmosphere air is____________?
A. 21%
B. 23%
C. 77%
D. 79% - For Parson’s reaction steam turbine, degree of reaction is____________?
A. 75%
B. 100%
C. 50%
D. 60% - In _________ system fuel from a central pulverizing unit is delivered to a bunker and then to the various burners?
A. unit
B. central
C. none of the above - Which of the following Power Plant causes least environmental pollution____________?
A. Thermal Power Plant
B. Hydro Power Plant
C. Nuclear Power Plant
D. Diesel Power Plant
