1. If the pressure 3m below the free surface of a liquid is 140kPa, calculate: a. The liquid's specific weight (y) b. The liquid's specific gravity (SG) 2. A huge aquarium filled with water is 15m deep, find the pressure in MPa at 3.5m from the bottom of the aquarium 3. What is the pressure 30m below a certain point in the ocean if the pressure at that certain point is 1.4MPA? The specific gravity of salt water is 1.026. (Note: Follow the solution no.2 done at the practical problems video) 4. At sea level a barometer reads 751 mm and at the same time on the top of the mountain another mercury barometer reads 745 mm. The temperature of air is assumed constant at 15°C and its specific weight assumed uniform at 12 N/m'. Determine the height of the mountain.
1. If the pressure 3m below the free surface of a liquid is 140kPa, calculate: a. The liquid's specific weight (y) b. The liquid's specific gravity (SG) 2. A huge aquarium filled with water is 15m deep, find the pressure in MPa at 3.5m from the bottom of the aquarium 3. What is the pressure 30m below a certain point in the ocean if the pressure at that certain point is 1.4MPA? The specific gravity of salt water is 1.026. (Note: Follow the solution no.2 done at the practical problems video) 4. At sea level a barometer reads 751 mm and at the same time on the top of the mountain another mercury barometer reads 745 mm. The temperature of air is assumed constant at 15°C and its specific weight assumed uniform at 12 N/m'. Determine the height of the mountain.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![1. If the pressure 3m below the free surface of a liquid is 140kPa, calculate:
a. The liquid's specific weight (y)
b. The liquid's specific gravity (SG)
2. A huge aquarium filled with water is 15m deep, find the pressure in MPa at 3.5m from the
bottom of the aquarium
3. What is the pressure 30m below a certain point in the ocean if the pressure at that certain
point is 1.4MPA? The specific gravity of salt water is 1.026. (Note: Follow the solution
no.2 done at the practical problems video)
4. At sea level a barometer reads 751 mm and at the same time on the top of the mountain
another mercury barometer reads 745 mm. The temperature of air is assumed constant at
15°C and its specific weight assumed uniform at 12 N/m'. Determine the height of the
mountain.
5. Determine the absolute pressure corresponding to a vacuum of 30cm of mercury (y = 133.7
kN/m') when the barometer reads 750mm of mercury.
6. A 30cm x 30cm piece of wood is 3m long and is placed in a lake in a vertical position. If
the wood weights 6.55 kN/m', what is the minimum vertical force required to hold it
completely submerged into the lake?
7. In Figure 1, calculate the pressure of the air in the tank if 4 = 40cm, = 100cm, and ls =
%3!
80cm. (Note: Follow the solution no.2 done at the practical problems video)
8. The pressure at point B in Figure 2 is increased from 30kPa to 65 kPa causing the liquid at
the bottom to move 25cm in the sloping tube. Calculate the inclination 0.
Air
Y = 10 kN/m
Air
y=130 kN/m
Mercury
Oil
(S = 0.8)
Figure 1
Figure 2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F53467d0a-9d30-4e6e-8ec7-110433697aa7%2F1f850380-91fd-4d7e-a6cd-398f7017f789%2Fqhi0iwn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. If the pressure 3m below the free surface of a liquid is 140kPa, calculate:
a. The liquid's specific weight (y)
b. The liquid's specific gravity (SG)
2. A huge aquarium filled with water is 15m deep, find the pressure in MPa at 3.5m from the
bottom of the aquarium
3. What is the pressure 30m below a certain point in the ocean if the pressure at that certain
point is 1.4MPA? The specific gravity of salt water is 1.026. (Note: Follow the solution
no.2 done at the practical problems video)
4. At sea level a barometer reads 751 mm and at the same time on the top of the mountain
another mercury barometer reads 745 mm. The temperature of air is assumed constant at
15°C and its specific weight assumed uniform at 12 N/m'. Determine the height of the
mountain.
5. Determine the absolute pressure corresponding to a vacuum of 30cm of mercury (y = 133.7
kN/m') when the barometer reads 750mm of mercury.
6. A 30cm x 30cm piece of wood is 3m long and is placed in a lake in a vertical position. If
the wood weights 6.55 kN/m', what is the minimum vertical force required to hold it
completely submerged into the lake?
7. In Figure 1, calculate the pressure of the air in the tank if 4 = 40cm, = 100cm, and ls =
%3!
80cm. (Note: Follow the solution no.2 done at the practical problems video)
8. The pressure at point B in Figure 2 is increased from 30kPa to 65 kPa causing the liquid at
the bottom to move 25cm in the sloping tube. Calculate the inclination 0.
Air
Y = 10 kN/m
Air
y=130 kN/m
Mercury
Oil
(S = 0.8)
Figure 1
Figure 2
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