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1. A two-meter square plane surface is immersed vertically below the water surface. The immersion is such that the two edges of the square are horizontal. I the top of the square is 1 meter below the water surface, what is the total water pressure exerted on the plane surface? a. 43.93 KN b. 52.46 KN c. 64.76 KN d. 78.48 KN

1. A two-meter square plane surface is immersed vertically below the water surface. The immersion is such that the two edges of the square are horizontal. I the top of the square is 1 meter below the water surface, what is the total water pressure exerted on the plane surface? a. 43.93 KN b. 52.46 KN c. 64.76 KN d. 78.48 KN

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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1. A two-meter square plane surface is immersed vertically below the water surface. The immersion is such that the two edges of the square are horizontal. I the top of the square is 1 meter below the water surface, what is the total water pressure exerted on the plane surface? a. 43.93 KN b. 52.46 KN c. 64.76 KN 2. A vertical square plate 1.20 m in each side is submerged half in oil and half in water. If the top of the plate is flushed with the oil surface, what is the ratio of the force of water to oil. Specific gravity of oil is 0.80. a. 3.25 b. 3.75 c. 3.00 d. 3.50 A rectangular gate 1.2 m by 3 m is inclined 60° with the horizontal. The top of the gate is submerged at a depth of 2 m, the longer side parallel to the water surface. 3. Find the location of the total hydrostatic force from the bottom of gate in meters. a. 0.559 4. If the gate is hinged at the top, find the force (KN) at the bottom to open the gate. a. 63.26 c. 65.90 b. 47.55 a. 155 c. 134 b. 0.899 d. 92.84 d. 78.48 KN 5. In the crest gate on a dam shown in the figure, surface AB forms the arc of a circle of 6 m radius subtending 60 degrees at the hinge. With water surface at B, compute the vertical component of total pressure on AB in KN. b. 172 d. 168 c. 1.303 60° d. 0.641 -3m
Transcribed Image Text:1. A two-meter square plane surface is immersed vertically below the water surface. The immersion is such that the two edges of the square are horizontal. I the top of the square is 1 meter below the water surface, what is the total water pressure exerted on the plane surface? a. 43.93 KN b. 52.46 KN c. 64.76 KN 2. A vertical square plate 1.20 m in each side is submerged half in oil and half in water. If the top of the plate is flushed with the oil surface, what is the ratio of the force of water to oil. Specific gravity of oil is 0.80. a. 3.25 b. 3.75 c. 3.00 d. 3.50 A rectangular gate 1.2 m by 3 m is inclined 60° with the horizontal. The top of the gate is submerged at a depth of 2 m, the longer side parallel to the water surface. 3. Find the location of the total hydrostatic force from the bottom of gate in meters. a. 0.559 4. If the gate is hinged at the top, find the force (KN) at the bottom to open the gate. a. 63.26 c. 65.90 b. 47.55 a. 155 c. 134 b. 0.899 d. 92.84 d. 78.48 KN 5. In the crest gate on a dam shown in the figure, surface AB forms the arc of a circle of 6 m radius subtending 60 degrees at the hinge. With water surface at B, compute the vertical component of total pressure on AB in KN. b. 172 d. 168 c. 1.303 60° d. 0.641 -3m
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