Thermodynamics (Question series) Lesson-6 GATE Presented by Deep sangeet Maity
About ME Working as a Design engineer at "Cameron Manufacturing India Limited (A Schlumberger Company)". .Currently working as "GATE content editor and developer"at "Kreatryx" .Qualified GATE "3" times .Qualified "Gate 2018 with 99.4 percentile 779(75.26 marks) gate score" in mechanical stream .Qualified "Gate 2017 with 98.83 percentile 726(70 marks) gate score" irn mechanical stream I also have an 2+ years of experience of teaching Engineering subjects like Engineering mechanies, Thermodynamies, SOM, HMIT Ex-CADD Engineer at "CADD CENTRE". Passed B.E. with honours with 76.71%. I am pursuing my MTech in Thermal I have an 2.5+ years of experience as a CADD Engineer. . . also have worked for "CAD ACADEMY" as a Design engineer for 1 year.
Question. The specific volume of steam after expansion in a turbine is 12 m'/kg. At this pressure the saturated liquid and saturated vapour specific volumes are 0.001 and 15.25 m/kg respectively. What is the dryness fraction to second decimal place accuracy?
-specific volume of sham affer expansion 12m2 1 ISAS | ka (specific vol
mu x1 2- )2-m= Max IS-2S" mf xo.oo IS-QSm9to.oolm So ) vm 1S.
Question Air at 150 kPa and 323 K is filled in a rigid vessel of 0.05 m3 capacity. For air, assumed as an ideal gas, specific heat at constant volume is 0.7163 kJ/kg.K and the specific gas constant is 0.287 kJ/kg.K. Neglect kinetic and potential energy changes. If 30 kJ of heat is added, the final temperature (in K) of air (up to 1 decimal place) is
Initial condliion b before Heot transfer- R- 0233 k3rjx I deal O. OS m=0.08kg
Q 30 kg 46.5 2.3
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Deep Sangeet Maity
->VERIFIED EDUCATOR ->DESIGN ENGINEER @ SCHLUMBERGER ->KREATRYX GATE Content Developer ->99.4%ile GATE-18