Problem 4. A 20-ft section of horizontal 6-inch-diameter pipe is being investigated in the lab. Ahead loss of 0.435 ft was measured when the flow was 475 gpm of water. If the kinematic viscosityis 1.2 × 10-5 ft2/s, estimate the equivalent sand grain roughness, ks.0.10.09Wholly turbulent flow0.080.070.060.050.050.040.030.02

To estimate the equivalent sand grain roughness (ks), we can use the Darcy-Weisbach equation for…

Answered: Problem 4. A 20-ft section of…

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

GEOTECHNICAL
Describe Assumed and actual failure surfaces for active pressure condition in Coulomb analysis.
A DrahmedsoilMechanicsnoteschapters pdf Downloads/DrahmedsoilMechanicsnoteschapter5.pdf 5.16 Refer to Figure in which upward seepage is taking place through a granular soil contained in a tank. Given: H1 = 1.5 m; H2 = 2.5 m; h = 1.5 m; area of the tank = 0.62 m?: void ratio of the soil, e = 0.49: G. = 2.66; and hydraulic conductivity of the sand (k) = 0.21 cm/sec. a. What is the rate of upward Valve fopen) seepage? b. Will boiling occur when h =1.5 m? Explain. c. What would be the critical value of h to cause boiling? Inflow Ans.: (a) q = 781.2 cm'isec, (b) No. (c) h = 2.77m 5.17 Refer to Figure of Problem 5.16. If H, = 0.91 m, H2 = 1.37 m. h =0.46 m, Ysat = 18.67 kN/m, area of the tank = 0.58 m2, and hydraulic conductivity of the sand (k) = 0.16 cm/sec, a. What is the rate of upward seepage of water (m/min)? b. If the point C is located at the middle of the soil layer, then what is the effective stress at C? Ans.: (a) i= 0.336, (b) q = 0.0187 m/min 5.18 A cut is made in a stiff,…
Determine the oil surface elevation at section 1. Elevation =? 60 m 5= 2 k,- 0.040 mm D=0.1 m O Elevation = 130 m 7 m Oil, S= 0.9 v = 3 x 10-3 m2/s K = 0.5 Q= 0.03 m/s 130 m O Oil surface elevation at section 1 = 136 m O None of the answers are correct. O oil surface elevation at section 1 = 170.35 m O Oil surface elevation at section 1 = 175.35 m
10:38 N all ll BAHIRDAR UNIVERSITY Bahirdar Institute of Technology (BIT) Faculty of Civil and Water Resource Engineering Hydraulics-l sample exam questions as an assignment 1. Water is flowing through a concrete rectangular channel at a rate of 0.5 m'/s. If the manning's roughness for concrete is n= 0.015, and the bed slope (s) is 1 in1000, determine the most economical section; i.e. width (b) and depth (d). (6%) 2. A long wide rectangular channel carrying a specific discharge (q)of 2.5 m'/s per meter width, has a slope of 1 in2750. If the manning's roughness coefficient (n) is 0.015: a) Calculate the critical depth and normal depth.(3%) b) Describe specific energyin short, and determine the specific energy for the given channel.(2.5%) c) Decide whether the flow is in sub critical, super critical, or critical condition.(1.5%) 3. Using Buckingham Pi method of dimensional analysis (the method of repeating variables), show that the flow rate of a liquid (Q)over a notch can be given by…
if relative roughness of cast iron circular pipe is 0.25, water is following at temperature of 29 degree centigrade with average velocity of 5 m/sec. Calculate major head loss by using Moody Diagram, given that length of pipe is 127 m and diameter is 2.1 inches. A
A rectangular duct has dimensions of 0.25x1 ft. Determine the equivalent diameter in ft. Show detailed solution
The following shear stress - shear rate behavior was observed. Shear rate (Seconds¬1) Shear Stress (dynes/cm²) 20 11 30 15.2 40 19.1 50 22.9 60 26.5 3. Compute the apparent viscosity for each shear rate. 4. Compute the yield point and plastic viscosity for each shear rate. 5. Compute the consistency index and flow behavior index.
The following cross-sectional areas (m2) are calculated for centre line of a drain trench at 5 m interval 2.5 2.7 1.8 3.5 3.7 2.9 2.8 1.6 1.1 V=d[(first+last)/2)+ sum of rest cross-sectional areas] Trapezoidal formula The calculated volume in m3 of the material for the trench is; Select one: O a. 111.4 O b. 113.0 O c 104.0 O d. 118.0 O e. 34.2 Of. None of the given answers
Determine the oil surface elevation at section 1. Elevation = ? 60 m Oil, S = 0.9 v = 3 x 10-5 m²/s K₂ = 0.5 ww =2< * 7m + k₂ = 0.046 mm D = 0.1 m O None of the answers are correct. O Oil surface elevation at section 1 = 170.35 m 130 m Q = 0.03 m³/s Oil surface elevation at section 1 = 136 m O Oil surface elevation at section 1 = 175.35 m Elevation = 130 m
10m
3.3 Three grit chambers are currently used to treat grits in a WWTP. Each channel is 2.5 ft wide and has a water depth of 2 ft. What is the velocity when the influent flow rate is 12 ft³/sec? a) 1.75 ft/sec b) 0.74 ft/sec c) 1.05 ft/sec d) 0.80 ft/sec 3.4 You performed settling test and found 600 mL settled after 30 min. If the MLSS in the aeration basin was 3000 mg/L, do you have problem? a) yes b) no c) no enough info. d) need to redo test

SEE MORE QUESTIONS

Recommended textbooks for you

Structural Analysis

Civil Engineering

ISBN:

9781337630931

Author:

KASSIMALI, Aslam.

Publisher:

Cengage,

Structural Analysis (10th Edition)

Civil Engineering

ISBN:

9780134610672

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781337705028

Author:

Braja M. Das, Nagaratnam Sivakugan

Publisher:

Cengage Learning

Structural Analysis

Civil Engineering

ISBN:

9781337630931

Author:

KASSIMALI, Aslam.

Publisher:

Cengage,

Structural Analysis (10th Edition)

Civil Engineering

ISBN:

9780134610672

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781337705028

Author:

Braja M. Das, Nagaratnam Sivakugan

Publisher:

Cengage Learning

Fundamentals of Structural Analysis

Civil Engineering

ISBN:

9780073398006

Author:

Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning

Publisher:

McGraw-Hill Education

Sustainable Energy

Civil Engineering

ISBN:

9781337551663

Author:

DUNLAP, Richard A.

Publisher:

Cengage,

Traffic and Highway Engineering

Civil Engineering

ISBN:

9781305156241

Author:

Garber, Nicholas J.

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS