Civil Engineering - Hydraulics - Discussion
Discussion Forum : Hydraulics - Section 1 (Q.No. 21)
21.
A cylinder 3 m in diameter and 4 m long retains water one side as shown in the below figure. If the weight of the cylinder is 2000 kgf, the horizontal reaction at B is
Discussion:
22 comments Page 2 of 3.
Nami said:
7 years ago
@Jitendra.
How 1.5/2? Please explain in detail.
How 1.5/2? Please explain in detail.
(1)
Rabinarayan Hota said:
7 years ago
Here, area =3*4 taken as it is the Projected area.
(1)
Premkumar said:
7 years ago
Then it is vertical.
Divya said:
7 years ago
Centre of gravity.
So, the depth divided by 2.
So, the depth divided by 2.
(1)
Ganesh said:
7 years ago
What is kgf?
Rakeah soni said:
7 years ago
Here 1kgf = 9.81N.
Abhik said:
6 years ago
How Area is 3 * 4? It's a cylinder.
(1)
Sonu said:
6 years ago
Here vertical due to water on the cylinder is cancel out. So that resultant vertical force equal to the weight of the cylinder.
Then horizontal force equal to the volume of pressure diagram i.e.
= (1/2)*3*1000*3*4.
= 18000kgf.
Then horizontal force equal to the volume of pressure diagram i.e.
= (1/2)*3*1000*3*4.
= 18000kgf.
(4)
Ladla malik said:
5 years ago
Answer is 18000kgf.
(4)
Zakir said:
4 years ago
Horizontal projected area = 3 * 4=12 m2.
Total horizontal triangular force= 0.5* 3000* 3=4500 kgf per m strip of cylinder,
Hence, the total force = 4500* 4 = 18000 kgf.
Total horizontal triangular force= 0.5* 3000* 3=4500 kgf per m strip of cylinder,
Hence, the total force = 4500* 4 = 18000 kgf.
(6)
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