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Question 11 Consider the Fig. as shown. The water is at 40°C and the local pressure is 1 atmosphere. Water from the reservoir fills the tube to a height h when the air space above a long tube is pressurized to 50 kPa vacuum. If the pressure in the air space is changed to 25 kPa vacuum: a) Will the change in height, h increase or decrease? b) Determine the height change Ah in metres to 4 decimal places. Air space Water

Question 11 Consider the Fig. as shown. The water is at 40°C and the local pressure is 1 atmosphere. Water from the reservoir fills the tube to a height h when the air space above a long tube is pressurized to 50 kPa vacuum. If the pressure in the air space is changed to 25 kPa vacuum: a) Will the change in height, h increase or decrease? b) Determine the height change Ah in metres to 4 decimal places. Air space Water

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Question 1 Consider the Fig. as shown. The water is at 40°C and the local pressure is 1 atmosphere. Water from the reservoir fills the tube to a height h when the air space above a long tube is pressurized to 50 kPa vacuum. If the pressure in the air space is changed to 25 kPa vacuum: a) Will the change in height, h increase or decrease? b) Determine the height change Ah in metres to 4 decimal places. Air space Water/
Transcribed Image Text:Question 1 Consider the Fig. as shown. The water is at 40°C and the local pressure is 1 atmosphere. Water from the reservoir fills the tube to a height h when the air space above a long tube is pressurized to 50 kPa vacuum. If the pressure in the air space is changed to 25 kPa vacuum: a) Will the change in height, h increase or decrease? b) Determine the height change Ah in metres to 4 decimal places. Air space Water/
Question 2 As shown in Fig., the 1 m wide gate (with weight W= 150 kN and inclined at an angle a = 45°) may fall due to its weight. Water is at 10°C and the atmospheric pressure is standard. The heights y, and y₂ are 1 m and 4 m, respectively. Standard atmospheric pressure Hinge. Gate Y₁ a) Determine the moment of force due to the weight of the gate, Ma b) Determine the moment of force due to water, Mw. c) Will the gate fall due to its weight (give reasons to your answer). Water
Transcribed Image Text:Question 2 As shown in Fig., the 1 m wide gate (with weight W= 150 kN and inclined at an angle a = 45°) may fall due to its weight. Water is at 10°C and the atmospheric pressure is standard. The heights y, and y₂ are 1 m and 4 m, respectively. Standard atmospheric pressure Hinge. Gate Y₁ a) Determine the moment of force due to the weight of the gate, Ma b) Determine the moment of force due to water, Mw. c) Will the gate fall due to its weight (give reasons to your answer). Water
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