PROBLEM I- The pressure difference between an oil pipe and water pipe is measured by a double-fluid manometer, as shown in the figure 1. The specific gravities are 150 k mercury, 1.26 for glycerin, and 0.88 for oil. Take the standard density of water to be p =D1000 kg/m³. The gauge pressure at B is 10kPa. Glyerin SG = 1.26 Water 0'1= DS SG =0.88 10 cm lokpa 12 cm KunneiFey SG = 135 Figure 1 Question 1: [4 marks] Which equation relates the gauge pressure P to the depth h in a fluid with density p, and specific weight, y? a) h =y *p*P b) h =y *g*P c) h = P/y %3D d) h =y *P/g e) None of the above Question 2: [4 marks] What is the specific weight of the Mercury? a) 74.56KN/m? b) 132.44 kN/m? c) 760kg/m³ d) 9810N/m³ e) None of the above நாகாறருகடு Question 3: [4 marks] What is the gauge pressure at 1? a) 12.88 kPa b) 15.32 kPa c) 4.9 kPa d) 903 Pa e) 13.96 kPa TURN OVER PROBLEM I CONTINUES ON NEXT PAGE da) 23.18 kPaviansb bisbaste odi lsT lio 1o1 88.0 bns ar190vlg 1ol os Question 4: [4 marks] w baR 9qiq lio ns noowied 9o1 lib o What is the value of the gauge pressure at A?orlb ni awode as 191monm bi Question 4:[4 marks] w baR 9qiq lio ne noowiad ltib 9 b) 27.16 Pa c) 1648 Pa d) -27.16 kPa e) 34.27 kPa Question 5: [4 marks] Assuming that the absolute pressure at point A is 43.58kPa, what is the atmospheric pressure? a) 33.25 kPa b) 20.40 kPa c) 48.86 kPa d) 27.74 kPa e) 70.74 kPa (a
PROBLEM I- The pressure difference between an oil pipe and water pipe is measured by a double-fluid manometer, as shown in the figure 1. The specific gravities are 150 k mercury, 1.26 for glycerin, and 0.88 for oil. Take the standard density of water to be p =D1000 kg/m³. The gauge pressure at B is 10kPa. Glyerin SG = 1.26 Water 0'1= DS SG =0.88 10 cm lokpa 12 cm KunneiFey SG = 135 Figure 1 Question 1: [4 marks] Which equation relates the gauge pressure P to the depth h in a fluid with density p, and specific weight, y? a) h =y *p*P b) h =y *g*P c) h = P/y %3D d) h =y *P/g e) None of the above Question 2: [4 marks] What is the specific weight of the Mercury? a) 74.56KN/m? b) 132.44 kN/m? c) 760kg/m³ d) 9810N/m³ e) None of the above நாகாறருகடு Question 3: [4 marks] What is the gauge pressure at 1? a) 12.88 kPa b) 15.32 kPa c) 4.9 kPa d) 903 Pa e) 13.96 kPa TURN OVER PROBLEM I CONTINUES ON NEXT PAGE da) 23.18 kPaviansb bisbaste odi lsT lio 1o1 88.0 bns ar190vlg 1ol os Question 4: [4 marks] w baR 9qiq lio ns noowied 9o1 lib o What is the value of the gauge pressure at A?orlb ni awode as 191monm bi Question 4:[4 marks] w baR 9qiq lio ne noowiad ltib 9 b) 27.16 Pa c) 1648 Pa d) -27.16 kPa e) 34.27 kPa Question 5: [4 marks] Assuming that the absolute pressure at point A is 43.58kPa, what is the atmospheric pressure? a) 33.25 kPa b) 20.40 kPa c) 48.86 kPa d) 27.74 kPa e) 70.74 kPa (a
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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This is a 2020 Past Paper that I am working through. However I only have the end product answers and would like to see the full workings out for problem 1.
![PROBLEM I- The pressure difference between an oil pipe and water pipe is measured
by a double-fluid manometer, as shown in the figure 1. The specific gravities are 150 k
mercury, 1.26 for glycerin, and 0.88 for oil. Take the standard density of water to be p
=D1000 kg/m³. The gauge pressure at B is 10kPa.
Glyerin
SG = 1.26
Water
0'1= DS
SG =0.88
10 cm
lokpa
12 cm
KunneiFey
SG = 135
Figure 1
Question 1: [4 marks]
Which equation relates the gauge pressure P to the depth h in a fluid with density p, and
specific weight, y?
a) h =y *p*P
b) h =y *g*P
c) h = P/y
%3D
d) h =y *P/g
e) None of the above
Question 2: [4 marks]
What is the specific weight of the Mercury?
a) 74.56KN/m?
b) 132.44 kN/m?
c) 760kg/m³
d) 9810N/m³
e) None of the above
நாகாறருகடு
Question 3: [4 marks]
What is the gauge pressure at 1?
a) 12.88 kPa
b) 15.32 kPa
c) 4.9 kPa
d) 903 Pa
e) 13.96 kPa
TURN OVER
PROBLEM I CONTINUES ON NEXT PAGE](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9d23b2ff-c734-41be-8946-dc1e3f9cde0e%2Faf715ceb-bf0a-476e-af21-eb537d841146%2F6nwly7f.jpeg&w=3840&q=75)
Transcribed Image Text:PROBLEM I- The pressure difference between an oil pipe and water pipe is measured
by a double-fluid manometer, as shown in the figure 1. The specific gravities are 150 k
mercury, 1.26 for glycerin, and 0.88 for oil. Take the standard density of water to be p
=D1000 kg/m³. The gauge pressure at B is 10kPa.
Glyerin
SG = 1.26
Water
0'1= DS
SG =0.88
10 cm
lokpa
12 cm
KunneiFey
SG = 135
Figure 1
Question 1: [4 marks]
Which equation relates the gauge pressure P to the depth h in a fluid with density p, and
specific weight, y?
a) h =y *p*P
b) h =y *g*P
c) h = P/y
%3D
d) h =y *P/g
e) None of the above
Question 2: [4 marks]
What is the specific weight of the Mercury?
a) 74.56KN/m?
b) 132.44 kN/m?
c) 760kg/m³
d) 9810N/m³
e) None of the above
நாகாறருகடு
Question 3: [4 marks]
What is the gauge pressure at 1?
a) 12.88 kPa
b) 15.32 kPa
c) 4.9 kPa
d) 903 Pa
e) 13.96 kPa
TURN OVER
PROBLEM I CONTINUES ON NEXT PAGE
![da) 23.18 kPaviansb bisbaste odi lsT lio 1o1 88.0 bns ar190vlg 1ol os
Question 4: [4 marks] w baR 9qiq lio ns noowied 9o1 lib o
What is the value of the gauge pressure at A?orlb ni awode as 191monm bi
Question 4:[4 marks] w baR 9qiq lio ne noowiad ltib 9
b) 27.16 Pa
c) 1648 Pa
d) -27.16 kPa
e) 34.27 kPa
Question 5: [4 marks]
Assuming that the absolute pressure at point A is 43.58kPa, what is the atmospheric pressure?
a) 33.25 kPa
b) 20.40 kPa
c) 48.86 kPa
d) 27.74 kPa
e) 70.74 kPa
(a](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9d23b2ff-c734-41be-8946-dc1e3f9cde0e%2Faf715ceb-bf0a-476e-af21-eb537d841146%2Fjgrten_processed.jpeg&w=3840&q=75)
Transcribed Image Text:da) 23.18 kPaviansb bisbaste odi lsT lio 1o1 88.0 bns ar190vlg 1ol os
Question 4: [4 marks] w baR 9qiq lio ns noowied 9o1 lib o
What is the value of the gauge pressure at A?orlb ni awode as 191monm bi
Question 4:[4 marks] w baR 9qiq lio ne noowiad ltib 9
b) 27.16 Pa
c) 1648 Pa
d) -27.16 kPa
e) 34.27 kPa
Question 5: [4 marks]
Assuming that the absolute pressure at point A is 43.58kPa, what is the atmospheric pressure?
a) 33.25 kPa
b) 20.40 kPa
c) 48.86 kPa
d) 27.74 kPa
e) 70.74 kPa
(a
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