To all. Stay CoronaVirus Free. ~Blue
Welcome to ANSWEROLOGY RELOADED, where you can ask questions and receive answers from other members of the community. ~Bluegenel
Members Online: 0
Active Members this hour:
None this hour
Be the first to post something
Visits Today: 30,966
Visits Yesterday: 34,907

0 votes

1. An annular plate 4 m external diameter and 2 m internal diameter with its greatest and least depths below the surface being 3 m and 1.5 m respectively. Calculate the magnitude, direction and location of the force acting upon one side of the plate due to water pressure. 

2. A pipe conveys 0.25 Kg/s of air at 300K and under an absolute pressure of 2.25 bar. Calculate the minimum diameter of pipe necessary if the flow velocity is limited to 7.5 m/s.

3. A 30 cm diameter pipe carries water under a head of 20 meters with a velocity of 3.5 m/s. If the axis of the pipe turns through 450 , find the magnitude and direction force on the bend.

4. A conical diffusing section diverges uniformly from 0.1 m diameter to 0.2 m diameter over a length of 1 metre. Find the local and convective acceleration at the middle of the diffuser. Consider the following two cases: 

(i) rate of flow is 100 litres/sec at it remains constant,

(ii) rate of flow varies uniformly from 100 lit/sec to 200 litre/sec in 5 sec. and time of interest is when t = 2 sec.

Velocity at any cross section, perpendicular to the flow direction, may be assumed to be uniform.

5. A fire engine supplies water to a hose pipe 80 mm in diameter and 100 m long at a pressure of 300 KN/m 2 (gauge). The discharge end of the pipe has a nozzle fixed to it. For the momentum of issuing jet to be maximum, workout the nozzle diameter. Take friction factor 4f = 0.032 in the Darcy equation.

6. The velocity components in a 2 D incompressible flow field are expressed as: 

                   u= (y^2 /3)+2x-(x^2) y; v=x(y^2) -2y- (x^2 /3) 

Determine the velocity and acceleration at a point P ( x= 1m , y = 2 m) 

 Is the flow possible?

in Education by (450 points)

1 Answer

0 votes

Good luck. 

by (1,447,350 points)
[ contact us ]
[ ]

[ F.A.Q.s ]

[ Terms and Conditions ]

[ Website Guidelines ]

[ Privacy Policy and GDPR ]

[ cookies policy ]

[ online since 5th October 2015 ]