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Expected Questions series Thermodynamics Part-5
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Question based on Entropy

## Deep Sangeet Maity is teaching live on Unacademy Plus

Deep Sangeet Maity
->Use Referral code: DEEPSANGEET for 10% off. on PLUS SUBSCRIPTION.. ->YOUTUBER (THE GATE RANKER) ->Top Educator ->99.4%ile in GATE

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MAM 3 NO QUESTION PEY IT KEY BADLE '' SO THEY TAKE" YE NAHI AA SAKATA
Why is the denominator taken as -dv/v?
that is a formula for Bulk modulus
1. Thermodynamics (Question series) Lesson-5 GATE Presented by Deep sangeet Maity

2. 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.

3. Question A 40 kg metal block (Cp 0.5 kJ/(kg.K)) at T 450 C is quenched in 150 kg oil (Cp 2.5 kJ/(kg. K)) at T- 25 C. If the combined (metal block and oil) system is fully isolated from its surroundings, then the net change in the entropy (in kJ/K) of the combined system is

4. Stom-1) T-25 C-298 K. s togeter of the

5. 23 298 298 2 -6.33 km 2 decreaes)

6. ASunvense as ked in the question Sue Atenas 9.8 ASsumeundingbe canse the combined syskem is thene sn be an intena ction wiHe

7. Question: The isothermal compressibility of a liquid is 5 106 /kPa. If it is compressed at constant temperature from 5000 to 10000kPa, what is the ratio of final volume to initial volume, to second decimal place accuracy?

8. Ico hornal compress k Pa e Pa Sxlo-6 2 2 A V

9. V. = 0.975

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