We wish to analyze the velocity of a fluid exiting from an orifice in the side of a pressurized tank. Examine the equations below using fundamental dimensions and indicate for each if the equation is a valid or invalid equation; justify your answer for each case. a. v = p ρ + 2 g H b. v = P ρ + 2 H C. v = 2 P ρ + 2 g H d. v = 2 p + 2 g H Here, the variables are as follows: g = gravity [=] m/s 2 H = height or depth of the fluid [=] ft P = pressure[=] atm v = velocity [=] ft/min ρ = density [=] kg/m 3
We wish to analyze the velocity of a fluid exiting from an orifice in the side of a pressurized tank. Examine the equations below using fundamental dimensions and indicate for each if the equation is a valid or invalid equation; justify your answer for each case. a. v = p ρ + 2 g H b. v = P ρ + 2 H C. v = 2 P ρ + 2 g H d. v = 2 p + 2 g H Here, the variables are as follows: g = gravity [=] m/s 2 H = height or depth of the fluid [=] ft P = pressure[=] atm v = velocity [=] ft/min ρ = density [=] kg/m 3
We wish to analyze the velocity of a fluid exiting from an orifice in the side of a pressurized tank. Examine the equations below using fundamental dimensions and indicate for each if the equation is a valid or invalid equation; justify your answer for each case.
(b)
A steel 'hot rolled structural hollow section' column of length 5.75 m, has
the cross-section shown in Figure Q.5(b) and supports a load of 750 kN.
During service, it is subjected to axial compression loading where one end
of the column is effectively restrained in position and direction (fixed) and
the other is effectively held in position but not in direction (pinned).
i)
Given that the steel has a design strength of 275 MN/m², determine
the load factor for the structural member based upon the BS5950
design approach using Datasheet Q.5(b).
[11]
ii)
Determine the axial load that can be supported by the column
using the Rankine-Gordon formula, given that the yield strength of
the material is 280 MN/m² and the constant *a* is 1/30000.
[6]
300
600
2-300 mm
wide x 5 mm
thick plates.
Figure Q.5(b)
L=5.75m
Pinned
Fixed
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8.01x - Lect 27 - Fluid Mechanics, Hydrostatics, Pascal's Principle, Atmosph. Pressure; Author: Lectures by Walter Lewin. They will make you ♥ Physics.;https://www.youtube.com/watch?v=O_HQklhIlwQ;License: Standard YouTube License, CC-BY