Saturday, April 1, 2017

THERMAL ENGINEERING ME 204 S4 KTU QUESTION PAPERS MODULE 1


THERMAL ENGINEERING ME 204 S4 KTU QUESTION PAPERS 

MODULE 1




1.a.Explain Carnot Cycle and Ranking Cycle ?
What are the limitations of Carnot Cycle?

b.In a steam power cycle, the steam supply is at 15 bar and saturated. The condenser pressure is 0.4 bar. 


Calculate the carnot and rankine efficiencies of the cycle. Neglect pump work.


2.Explain the three performance improvement techniques used in a steam power cycle? 


3. a.Brief the difference between a water-tube boiler and a fire-tube boiler.


b.Explain the working of any one type of fire-tube boiler with neat sketch?


4.a.What is asteam nozzle and what are its classifications?

b.Obtain the relation for the velocity of steam  through the nozzle in terms of inlet conditions and pressure ratio?


5.a.What are the effects of friction on steam flow through a nozzle?


b.Explain supersaturated or metastable state of steam when it expands through a nozzle?


6.Expalin the classifications of steam turbines?



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