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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

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter6: Fundamental Dimensions And Units
Section: Chapter Questions
Problem 49P
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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
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
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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