19. For turbulent flow of a liquid in a pipe, all of the following are true except a. The average velocity will be nearty the same as the pipe center b. Reynolds Number will be less than 2000 c. Pipe roughness affects friction factor d. Flow of gases and low viscosity līquid is usually turbulent 20. All of the following statements is a result of the hydrostatic uplift on a dam except a. Reduces the stability against sliding b. Reduces the stability against overturning c. Reduces the hydrostatic pressure acting at the upstream side d. Reduces total earth or rock pressure on the base.

19. For turbulent flow of a liquid in a pipe, all of the following are true except a. The average velocity will be nearty the same as the pipe center b. Reynolds Number will be less than 2000 c. Pipe roughness affects friction factor d. Flow of gases and low viscosity līquid is usually turbulent 20. All of the following statements is a result of the hydrostatic uplift on a dam except a. Reduces the stability against sliding b. Reduces the stability against overturning c. Reduces the hydrostatic pressure acting at the upstream side d. Reduces total earth or rock pressure on the base.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

As shown in the figure compute the amount and location of the vertical and horizontal components of the hydrostatic pressure on XY QUADRANT OF CIRCLE 5M WIDE 2.75H RADIUS i DETERMINE ALSO FORCE "F" TO PREVENT ROTATION F PV Y yW.S PH HINGE
In laminar flow, the growth of the boundary layer thickness δ with distance downstream x is given by where Rex = xUe/ν, ν is the fluid kinematic viscosity, Ue is the freestream velocity, and K is a constant. (a) Given that the velocity profile is described by U/Ue = y/δ, find the growth of the displacement thickness, and the momentum thickness with downstream distance. (b) What is the shape factor H?
Solve correctly
In the friction free shown, the following: compute a. Pressure of the water in the tube at point B. 1.5 m b. Pressure of water in the tube at 3 m A.
Choose whether the statement is TRUE or FALSE. * TRUE FALSE The absolute pressure is equal to the gage reading. Hydrostatic force acting on a submerged plane area increases as the depth of immersion increases. The pressure on the base of a liquid column will depend upon the shape of the column. The center of pressure on a submerged plane will be at a lower level with respect to the centroid. The unit of eccentricity is the same as unit pressure.
Two beads are sliding freely on a horizontal rod. Use the following conditions. mA = 3 kg m₂ = 1 kg e=0.9 VA = 1 m/s Va = -3 m/s a. Determine the final velocity of both beads. b. Determine the average interaction force, F between the beads if the duration of the impact is 0.005 seconds Vg m ma
Find the pressure gradient
(a) A laminar pipe flow is described by a parabolic velocity profile. The fluid has viscosity µ and a density ρ. The coordinate y is measured from the centerline of the pipe. The velocity profile is described by where R is the pipe radius and is the average velocity. Find the viscous stress at the wall τw and express it non-dimensionally in terms of a skin friction coefficient and the Reynolds number based on diameter and average velocity. (b) Given the velocity profile in part (b), calculate the displacement thickness and the momentum thickness, using the centerline velocity instead of the freestream velocity.
Consider the pressurized horizontal pipe network shown below. Pipe 2 is arranged in parallel with Pipe 3. The characteristics of each pipe are summarized in the table. The flow of water at Node A is Q = 10 cfs and the pressure head at Node A is yA = 180 feet. The temperature of the water is 60° F. a) Determine the flow in cfs in Pipe 2. b) Determine the flow in cfs in Pipe 3. c) Determine the friction head loss hric in feet in Pipe 1. d) Determine the friction head loss hfic in feet in Pipe 2. e) Determine the friction head loss htric in feet in Pipe 3. f) Determine the friction head loss hfric in feet in Pipe 4. g) Determine the pressure head ys in feet at Node B. h) Determine the pressure head yc in feet at Node C. i) Determine the pressure head yo in feet at Node D. Flow Friction Pressure Diameter Length Pipe (inches) (feet) Friction (cfs) head Нead factor f Kpipe loss (feet) Node (feet) 1 16 500 0.012 10 A 180 12 1000 0.014 B 10 1000 0.015 16 500 0.020 10 D Pipe 2 Node Node Node…
FLUID MECHANICS Pipe in ground is moving wet raw sludge down a slope at a 30 degree angle and an elevation difference of 300 ft. Where P1 = 17 psi and P2 = 23 psi, D1 = 2 ft, D2 = 0.9 FT, Flow Rate through pipe Q= 5.8 cfs and specific gravity Weight of water and pipe = 80 lbf and maximum vertical force that can be applied to surrounding soil = 800 lbf. Is vertical force greater than 800 lbf to keep system in balance? %3D Psi 2 FE = D, 2=23psi D2 =0.9 Ft 30°
Consider the pressurized horizontal pipe network consisting of three pipes arranged in series. The characteristics of each pipe are summarized in the table. The flow of water at Node A is Q = 5 cfs and the pressure head at Node A is yA = 200 feet. The temperature of the water is 60° F. a) Determine the friction head loss hfric in feet in Pipe 1. b) Determine the friction head loss hfric in feet in Pipe 2. c) Determine the friction head loss hfric in feet in Pipe 3. d) Determine the pressure head ys in feet at Node B. e) Determine the pressure head yc in feet at Node C. f) Determine the pressure head yo in feet at Node D. Flow Friction Pressure Diameter Length Friction (feet) (cfs) head Нead Pipe (inches) factor f Kpipe loss (feet) Node (feet) 1 16 500 0.011 5 A 200 2 12 1000 0.013 B 3 10 750 0.015 D Node Node Node Node A в D 5 cfs 5 cfs Pipe 1 Pipe 2 Pipe 3
Choose the correct answer The pressure inside a water bubble (radius r) e. Is less than gage pressure f. None of the above d. Varies with 1/r b. Varies with r c. Is independent of r a. Varies with 1/r2