Thermodynamics 25 23 22 21 20 19 18 17 16 15 14 13 Name SURNAME date Multiple ch

Question

Thermodynamics

25 23 22 21 20 19 18 17 16 15 14 13 Name SURNAME date Multiple choice test lmure the one answer can be true) CID Question Equation is true for Canstant volume process: b) isothennal process:e) isobaric process; d) adiabatic process all Tae aquation of the second law of thermodynamics: b) Bendemann equation; c) van der Walls equation: d) de Laval equation Tae heat delivered to the immovable isolated system is: at Esentirely transferred into work done by the system; b) causes the change of internal energy of the tystem: e causes the work done by the system Absolute work of isobaric process is expressed by equation 1-2 Wnte equation and unit of moiar specific entropy it possibie that a dual combustion standard cycle has greater thermal efficiency than Carnot cycle which Is ,operates within the same range of temperature? a bt not e) yes, because in this kind of engine the fuel is combusted twice: d it depends upon the type The equation z 1+pBOT) p co) is: Equation of now withinjet b of the number of gas particles within a thermodynamics system; real gases equation of state; d) virial equation state €alculate individual gas constant for the gas with following volumetric fraction: r 0,95, rN, 0,05, Writhe correct unit of individual gas constant. amalar mass of hydrogen carbon 12 nitrogen to arygen 16 R When the speed of sound is the highest ay The speed of sound is constant and it is equal to 340 m/s: b)the speed is the highest in immovable gas; c) the speed of sound is the highs in a vacuum; d) the speed of sound is highest in the sumounding which is adiabatically reversibly slowed down to 0 Boyle-Mariotte law states that: ay Pressure of gas is constant; b) volume of the gas is constant: c) temperature of the gas is constanta d) the product of volume and pressure i constant The correct equation for the change of entropy is to: a in arseer enthalpy b)dS d) ds dv

Explanation / Answer

1) B

2) C

3) D

4) B

5) A

6) A

7) C

8) B

9) D

10) D

a) efficiency = 0.346

b)   efficiency = 0.423

c) temperature = 487.23 K

d) Volume = 0.3378 m3

e) work of process =   7823.456 J

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.