What is the physical significance of gas constant? Write about combined gas law Gas constant and non-flow process?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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BME ASsignment 2 .pdf
Sr. Assignment Questions
Bloom's
No
taxonomy
level
What is the physical significance of gas constant?
Write about combined gas law, Gas constant and non-flow process?
Prove that Cp-Cy=R with usual notation.
1
R
2
R
3
U
4
Represent the following compression process on p-v diagram with the same initial
R
condition (1) constant volume (2) constant pressure (3) Isothermal (4) adiabatic
Differentiate isothermal process and adiabatic process.
Show that change in internal energy AU = m Cv (T2-T1) for perfect gas.
5
R
A
7
Prove that dryness fraction + wetness fraction= 1
R
What is dryness fraction? Explain throttling calorimeter
A sample of gas occupies 24.0 m³ at100.0K.Determineitsvolume at 200.0K
10 | 1kg of air at a 9 bar pressure and 80 °c temperature undergoes a non-flow work
Polytropic process. The law of expansion in pV1l=C. the pressure falls to 1.4 bar
during process. Calculate (1) final temp. (2) Work done (3) change in internal
energy (4) heat exchange. take R=287 J/kg K and y=1.4 for air
Calculate the quality of steam supplied in a combined separating and throttling
calorimeter (i) Initial pressure =10 bar , Final pressure =1 bar , Water separated
8
U
9.
A
A
11
A
=1.5 kg, Steam discharged from throttling calorimeter = 20 bar , Temperature of
steam after throttling =120 °c
Calculate the internal energy per kg of superheated steam at 10 bar and a temp. of
400°c. Find also change in internal energy if this steam is expanded to 64 bar and
dryness fraction 0.8
12
A
Transcribed Image Text:1: 18 PM | 19.0KB/ 65 BME ASsignment 2 .pdf Sr. Assignment Questions Bloom's No taxonomy level What is the physical significance of gas constant? Write about combined gas law, Gas constant and non-flow process? Prove that Cp-Cy=R with usual notation. 1 R 2 R 3 U 4 Represent the following compression process on p-v diagram with the same initial R condition (1) constant volume (2) constant pressure (3) Isothermal (4) adiabatic Differentiate isothermal process and adiabatic process. Show that change in internal energy AU = m Cv (T2-T1) for perfect gas. 5 R A 7 Prove that dryness fraction + wetness fraction= 1 R What is dryness fraction? Explain throttling calorimeter A sample of gas occupies 24.0 m³ at100.0K.Determineitsvolume at 200.0K 10 | 1kg of air at a 9 bar pressure and 80 °c temperature undergoes a non-flow work Polytropic process. The law of expansion in pV1l=C. the pressure falls to 1.4 bar during process. Calculate (1) final temp. (2) Work done (3) change in internal energy (4) heat exchange. take R=287 J/kg K and y=1.4 for air Calculate the quality of steam supplied in a combined separating and throttling calorimeter (i) Initial pressure =10 bar , Final pressure =1 bar , Water separated 8 U 9. A A 11 A =1.5 kg, Steam discharged from throttling calorimeter = 20 bar , Temperature of steam after throttling =120 °c Calculate the internal energy per kg of superheated steam at 10 bar and a temp. of 400°c. Find also change in internal energy if this steam is expanded to 64 bar and dryness fraction 0.8 12 A
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