11°C Mostly cloudy ליזום Queen's Online x MEE1018 2221ES2 1.1 X Past paper examples ex Cengal Appendix1 Slu x b Security | bartleby https://qubstudentcloud.sharepoint.com/sites/exampastpapers/Papers/MEE/MEE1018/MEE1018 2221ES2_1_198.pdf @ ✩ Draw n F2 £ 1 2 3 Ꮕ W a Ask Copilot 2 of 15 (b) During a process, 2 kg of methane (CH) is heated from 800 K to 1200 K at constant volume. Mcarbon 12 kg/kmol, Maydrogen = 1 kg/kmol and Cp(Methane) 2.2537 kJ/kg.K (i) Determine the specific gas constant for methane. (ii) Calculate the change in entropy during the process. (iii) Determine the work done. = [6 marks] (c) An air conditioning unit with COP = 8 removes heat from a room to the atmosphere at a rate of 2 kW. Assuming electrical and mechanical efficiencies are 100%, determine the rate of heat transfer to the atmosphere and the required power input. [3 marks] (d) 4 kg of a gas undergoes the cycle in Figure Q1(d). Describe each process in the cycle and calculate the net work. E P (kPa) <» 120 DII % 4 € 5 isotherm 3 12 Search * F6 & 27 Λ 6 R T Y U כ. V (m^3) a ENG GA 30/04/2 Prt Scn,s Home End F10 PgUp 11 ( ) 8 9 0 = O 1 P A S D F G H J K L N X C V B N M Alt Alt Gr
11°C Mostly cloudy ליזום Queen's Online x MEE1018 2221ES2 1.1 X Past paper examples ex Cengal Appendix1 Slu x b Security | bartleby https://qubstudentcloud.sharepoint.com/sites/exampastpapers/Papers/MEE/MEE1018/MEE1018 2221ES2_1_198.pdf @ ✩ Draw n F2 £ 1 2 3 Ꮕ W a Ask Copilot 2 of 15 (b) During a process, 2 kg of methane (CH) is heated from 800 K to 1200 K at constant volume. Mcarbon 12 kg/kmol, Maydrogen = 1 kg/kmol and Cp(Methane) 2.2537 kJ/kg.K (i) Determine the specific gas constant for methane. (ii) Calculate the change in entropy during the process. (iii) Determine the work done. = [6 marks] (c) An air conditioning unit with COP = 8 removes heat from a room to the atmosphere at a rate of 2 kW. Assuming electrical and mechanical efficiencies are 100%, determine the rate of heat transfer to the atmosphere and the required power input. [3 marks] (d) 4 kg of a gas undergoes the cycle in Figure Q1(d). Describe each process in the cycle and calculate the net work. E P (kPa) <» 120 DII % 4 € 5 isotherm 3 12 Search * F6 & 27 Λ 6 R T Y U כ. V (m^3) a ENG GA 30/04/2 Prt Scn,s Home End F10 PgUp 11 ( ) 8 9 0 = O 1 P A S D F G H J K L N X C V B N M Alt Alt Gr
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
![11°C
Mostly cloudy
ליזום
Queen's Online
x
MEE1018 2221ES2 1.1 X
Past paper examples ex
Cengal Appendix1 Slu x
b Security | bartleby
https://qubstudentcloud.sharepoint.com/sites/exampastpapers/Papers/MEE/MEE1018/MEE1018 2221ES2_1_198.pdf
@
✩
Draw
n
F2
£
1
2
3
Ꮕ
W
a
Ask Copilot
2
of 15
(b) During a process, 2 kg of methane (CH) is heated from 800 K to 1200 K at constant
volume. Mcarbon 12 kg/kmol, Maydrogen = 1 kg/kmol and Cp(Methane) 2.2537 kJ/kg.K
(i) Determine the specific gas constant for methane.
(ii) Calculate the change in entropy during the process.
(iii) Determine the work done.
=
[6 marks]
(c) An air conditioning unit with COP = 8 removes heat from a room to the atmosphere at a rate
of 2 kW. Assuming electrical and mechanical efficiencies are 100%, determine the rate of
heat transfer to the atmosphere and the required power input.
[3 marks]
(d) 4 kg of a gas undergoes the cycle in Figure Q1(d). Describe each process in the cycle and
calculate the net work.
E
P (kPa)
<»
120
DII
%
4 € 5
isotherm
3
12
Search
*
F6
&
27
Λ
6
R
T
Y
U
כ.
V (m^3)
a
ENG
GA
30/04/2
Prt Scn,s
Home
End
F10
PgUp 11
(
)
8
9
0
=
O
1
P
A
S
D
F
G
H
J
K
L
N
X
C
V
B
N
M
Alt
Alt
Gr](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F31b6d6e9-8873-4e52-9dd9-6d407a95b5f8%2F9b34b5cb-f0db-42d0-be22-392dd15deb81%2F41n0vw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:11°C
Mostly cloudy
ליזום
Queen's Online
x
MEE1018 2221ES2 1.1 X
Past paper examples ex
Cengal Appendix1 Slu x
b Security | bartleby
https://qubstudentcloud.sharepoint.com/sites/exampastpapers/Papers/MEE/MEE1018/MEE1018 2221ES2_1_198.pdf
@
✩
Draw
n
F2
£
1
2
3
Ꮕ
W
a
Ask Copilot
2
of 15
(b) During a process, 2 kg of methane (CH) is heated from 800 K to 1200 K at constant
volume. Mcarbon 12 kg/kmol, Maydrogen = 1 kg/kmol and Cp(Methane) 2.2537 kJ/kg.K
(i) Determine the specific gas constant for methane.
(ii) Calculate the change in entropy during the process.
(iii) Determine the work done.
=
[6 marks]
(c) An air conditioning unit with COP = 8 removes heat from a room to the atmosphere at a rate
of 2 kW. Assuming electrical and mechanical efficiencies are 100%, determine the rate of
heat transfer to the atmosphere and the required power input.
[3 marks]
(d) 4 kg of a gas undergoes the cycle in Figure Q1(d). Describe each process in the cycle and
calculate the net work.
E
P (kPa)
<»
120
DII
%
4 € 5
isotherm
3
12
Search
*
F6
&
27
Λ
6
R
T
Y
U
כ.
V (m^3)
a
ENG
GA
30/04/2
Prt Scn,s
Home
End
F10
PgUp 11
(
)
8
9
0
=
O
1
P
A
S
D
F
G
H
J
K
L
N
X
C
V
B
N
M
Alt
Alt
Gr
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