LY 2021 CONFIDENTIAL JULY 2021 CONFIDENTIAL Jestion 3 Question 4 A closed tank contains compressed air and oil. The specific gravity (SG) the oil is 0.90 as shown in Figure Q3. A mercury filled U-tube manometer whose specific gravity (SG) of 13,6 is connected to the tank Given that h1, h2 and h3 are equal to 37 in, 7 in and 9 in respectively. Calculate the pressure inside the tank in PSI (a) Water at 10°C flows through the branching pipe as shown in figure Q4. By Neglecting pressure drop inside the pipe. (0) Calculate the velocity at point 1. (i) Calculate the velocity at point 2 Pressure Air A= 0.035 m -1 m²s A- 0.1 m (3) Open V- 14 m/s Ag = 0.03 m (1) (2) Figure Q4: Piping system (1) (2) Figure Q3. U-Tube manometer

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LY 2021
CONFIDENTIAL
JULY 2021
CONFIDENTIAL
Jestion 3
Question 4
A closed tank contains compressed air and oil, The specific gravity (SG) the oil is
0.90 as shown in Figure Q3. A mercury filled U-tube manometer whose specific
(a)
Water at 10°C flows through the branching pipe as shown in figure Q4. By Neglecting
pressure drop inside the pipe
gravity (SG) of 13,6 is connected to the tank Given that h1, h2 and h3 are equal to 37
in, 7 in and 9 in respectively. Calculate the pressure inside the tank in PSI
(0)
Calculate the velocity at point 1.
(i)
Calculate the velocity at point 2
Pressure
Age
Air
Ay = 0.035 m
-1 m²s
A-0.1 m
(3)
Open
V - 14 m/s
Az= 0.03 m
(1)
(2)
Figure Q4: Piping system
(1)
-(2)
Hg
Figure Q3: U-Tube manometer
Transcribed Image Text:LY 2021 CONFIDENTIAL JULY 2021 CONFIDENTIAL Jestion 3 Question 4 A closed tank contains compressed air and oil, The specific gravity (SG) the oil is 0.90 as shown in Figure Q3. A mercury filled U-tube manometer whose specific (a) Water at 10°C flows through the branching pipe as shown in figure Q4. By Neglecting pressure drop inside the pipe gravity (SG) of 13,6 is connected to the tank Given that h1, h2 and h3 are equal to 37 in, 7 in and 9 in respectively. Calculate the pressure inside the tank in PSI (0) Calculate the velocity at point 1. (i) Calculate the velocity at point 2 Pressure Age Air Ay = 0.035 m -1 m²s A-0.1 m (3) Open V - 14 m/s Az= 0.03 m (1) (2) Figure Q4: Piping system (1) -(2) Hg Figure Q3: U-Tube manometer
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