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Hydraulics - Engineering

Q1:

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

A 10,000 kgf

B 15,000 kgf

C 20,000 kgf

D 18,000 kgf

ANS:D - 18,000 kgf

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.