Chapter 6, Problem 6.20CU

Introduce the second law of thermodynamics?

What are some interesting application of thermodynamics in our daily life?

THERMODYNAMICS UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS. NO LONG EXPLANATION NEEDED. BOX THE FINAL ANSWER AND USE 3 DECIMAL PLACES. DRAW PV and TS Diagrams. SEE THE ATTACHED PHOTO FOR THE CONSTANTS. The gain in entropy during an isothermal non-flow process of 5 lb of air at 60°F is 0.462 Btu/R. What is (a) the ratio V2/ V1 (b) the ratio P2/P1 . (c) work in KJ and (d) heat in KJ?

Discuss the relationships between the various formulations of the Second Law of thermodynamics.

Work and Heat Thermodynamic answer it in 30 mins

A gas undergoes a thermodynamic cycle consisting of 3 processes beginning at an initial state where p1=1 bar, and V1= 1.5m3. The process are as follows: Process 1-2: compression with pv=constant to p2= 2 bar Process 2-3: W(2-3) =0, Q(2-3)= -150kJ and Process 3-1: W(3-1) = +50kJ. Neglecting KE and PE. Note answer should be in kPa. Find: Heat added Heat Rejected Cycle Net Work

An ideal gas is taken through a cyclic thermodynamic process through four steps. The amounts of heat involved in these steps are Q1-2 = 5960J. Q2-3 = - 5.585 KJ. Q3-4 = - 2980J and Q+1= 3645 J respectively. The corresponding quantities of work involved areWi-2 = 2.2 KJ, W23= - 825 J, W34 = - 1100 J and W41 respectively. What is the value of W41? Select one: O a. 1000 J O b. 76.5J O c. 765J d. 7.65 KJ

he following processes occurs in a reversible thermodynamic cycle:   1-2: Reversible polytropic compression at pressure 0.7 bar at volume 0.06 m3 to a pressure 9.6 bar and specific volume 0.4 m3/kg. The index of compression may be taken as n. 2-3: Reversibly expansion with expansion index of 2 to pressure 2.2 bar. 3-1: Reversible cooling at constant volume to the initial state.   Calculate the mass of fluid present to 3 decimal places

THERMOFLUIDS Consider a gas undergoing a thermodynamic cycle consisting of three processes from an initial state at P1 = 100 kPa , V1 = 0.81 m3.Process 1 - 2 : constant pressure compression work of 65 kJ,Process 2 – 3 : constant volume heating of 2600 kJ, andProcess 3 – 1 : isothermal expansion. b) Determine the:i. volume at the end of constant pressure compression, ii. net work for the thermodynamic cycle, and iii. heat transfer during constant pressure compression.