1. The pV-diagramshown illustrates the adiabatic compression of a di-atomic ideal gas from state b to state a. The curveddashed lines represent isotherms. If the gas has aninitial pressure of 160 (kPa], what is its final pres-P (Pa)P.sure?A. 519.5 (kPa]T-420 KВ. 219.3 (КPa]T- 300 KC. 332.4 (kPa]V (m)D. 464 [kPa)Which of the following energy flow dia-gram correctly describes a heat engine that op-erates by taking one mole of a diatomic idealgas through the cycle 1-2-3-4-1 as shownin the pV diagram below.2.Note: 1+2 and 34(7, = 60OK)diabatie processes(T,- 400K)(7= 300K)1 (T, - 200K)Volume (m')A.В.c.D.Hot ReservoirHot ReservoirHot ReservoirHot Reservoir6.24k6.24 k8.73 k8.735.82 k2.084.162.914.16k2.082.91 k5.82 kCold ReservoirCold ReservairCold ReservoirCold Reservoir3.The figure shows a cyclic processwhere a diatomic ideal gas undergoes an isochoric pro-cess from a to b, an isobaric process from 6 to c, an iso-choric process from c to d and finally another isobaricprocess from d back to a. Let p = 2po. V = 2Vo. Whatis the efficiency of the cycle?A. 75.0%V. pVa PoВ. 37.1%С. 154%VolumeD. 10.5%Pressure

P1 = 160kpa. T1 = 300k T2 = 420k Gamma= Y = 1.4 for diatomic gas.

1. The pV-diagram p (Pa) shown illustrates the adiabatic compression of a di- atomic ideal gas from state b to state a. The curved P. dashed lines represent isotherms. If the gas has an initial pressure of 160 (kPa), what is its final pres- sure? A. 519.5 (kPa) T-420 K В. 219.3 (kPa] C. 332.4 (kPa] D. 464 (kPa) P. T-300 K V (m')

1. The pV-diagram p (Pa) shown illustrates the adiabatic compression of a di- atomic ideal gas from state b to state a. The curved P. dashed lines represent isotherms. If the gas has an initial pressure of 160 (kPa), what is its final pres- sure? A. 519.5 (kPa) T-420 K В. 219.3 (kPa] C. 332.4 (kPa] D. 464 (kPa) P. T-300 K V (m')

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

1. The pV-diagram
shown illustrates the adiabatic compression of a di-
atomic ideal gas from state b to state a. The curved
dashed lines represent isotherms. If the gas has an
initial pressure of 160 (kPa], what is its final pres-
P (Pa)
P.
sure?
A. 519.5 (kPa]
T-420 K
В. 219.3 (КPa]
T- 300 K
C. 332.4 (kPa]
V (m)
D. 464 [kPa)
Which of the following energy flow dia-
gram correctly describes a heat engine that op-
erates by taking one mole of a diatomic ideal
gas through the cycle 1-2-3-4-1 as shown
in the pV diagram below.
2.
Note: 1+2 and 34
(7, = 60OK)
diabatie processes
(T,- 400K)
(7= 300K)
1 (T, - 200K)
Volume (m')
A.
В.
c.
D.
Hot Reservoir
Hot Reservoir
Hot Reservoir
Hot Reservoir
6.24k
6.24 k
8.73 k
8.73
5.82 k
2.08
4.16
2.91
4.16k
2.08
2.91 k
5.82 k
Cold Reservoir
Cold Reservair
Cold Reservoir
Cold Reservoir
3.
The figure shows a cyclic process
where a diatomic ideal gas undergoes an isochoric pro-
cess from a to b, an isobaric process from 6 to c, an iso-
choric process from c to d and finally another isobaric
process from d back to a. Let p = 2po. V = 2Vo. What
is the efficiency of the cycle?
A. 75.0%
V. p
Va Po
В. 37.1%
С. 154%
Volume
D. 10.5%
Pressure

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