BRAE312 - HW1 Given: Find: A pipe with a 18 inside diameter has a cap on the end. The water pressure is 100 feet. a) Number of 165 lb students needed to stand on the plate so that the cap does not come off. b) What conclusions can be drawn reguarding the
BRAE 312 Problem 24 - 3 Reservoirs
Given: A three reservoir (branching pipe system) Elev A (ft) = 240 Elev C (ft) = 170 Dia 1 (in.) = 30 L1 = Dia 2 (in.) = 24 L2 = Dia 3 (in.) = 18 L3 = Q2 (CFS) = 7 Temp: 60 degrees F 4000 ft 3000 ft 1500 ft Pipe: Cast Ir
Moody Diagram Compared to Hazen Williams and Mannings Equation
Concrete Pipe: Concrete 24-in Diameter Mannings: n = 0.015
Cast Iron Pipe: 30-in Diameter Mannings: n = 0.010
HW: C = 100
HW: C = 110 HW: C = 140 HW: C = 150 DW: Smooth Line HW: C = 130 HW: C
BRAE 312 HW21
Given: 6-in PVC Class 200 IPS Find: a) The change in elevation of the pipeline if the flow rate is 450 GPM. b) Draw and label the HGL and EL between the 2 gages
Pu/s = 70 psi 6" PVC Class 200 IPS Length = 1200 feet Pd/s = 105 psi
BRAE 312 - HW 22
Given: PVC pipe Schedule 40 Length = Nom. Diameter = Flow = Temp = 120 0.75 5.4 80 ft in gpm deg F
a) Hf using Hazen Williams b) Hf using Darcy Weisbach c) Hf using Darcy Weisbach but now use 120 deg F water d) Compare your results
BRAE 312 Problem 223-24 - 3 Reservoir Problem
Given: A three reservoir (branching pipe system) Elev A (ft) = 232 Elev C (ft) = 162 Dia 1 (in.) = 24 L1 = Dia 2 (in.) = 21 L2 = Dia 3 (in.) = 12 L3 = Q2 (CFS) = 7 Temp: 60 degrees F 3300 ft 2600 ft 1300 ft Pi
BRAE 312 - HW20
1) Given: The velocity of a liquid (s = 1.26) in a 3 inch pipeline is 2.4 feet per second. Required: Calculate the rate of flow in cfs, gal/min, slugs/sec, and lb/sec.
Given: The velocity of a liquid (s = 1.26) in a 3 inch pipeline is 5
BRAE 312 - HW19
Given: Water and oil in an open storage tank are in contact with the end wall as shown below: (all lengths are in feet) 4
oil s = 0.85
Required: a. the a ) the pressure at the bottom (lowest point) of the tank caused by the flu
BRAE 312 HW17
Given: The common type of irrigation head gate shown is a plate that slides over the opening to a culvert. The coefficient of friction between the gate and its slides is 0.6. The gate weighs 1000 pounds.
water t 10 ft 48 inch x 48 inch squar
BRAE 312 - HW2 a) What are the three components of energy in irrigation hydraulics problems? b) True of False. Water will always move from a point of high pressure to one of low pressure. c) Why is the velocity head term often ignored in high pressure sys
BRAE 312 - HW3 a) Given: Find: A pipe with an inside diameter of 10.088 inches The flow rate (CFS and GPM) in the pipe if the velocity is not to exceed 5 feet/sec.
b) Why would an irrigation designer try to keep the water velocity in a pipeline below 5.0
BRAE 312 HW10 Given: Find: A volume of air and a volume of water at 70 degrees F and at 14.7 psia. Compare the ratio of absolute viscosities for the air and water to the ratio of their kinematic viscosities.
v water =
v air =
BRAE 312 HW11 Given: Journal Bearing as shown SAE 30 western lubricating oil at 80 deg F Uniform clearance and 100 rpm (rotative speed) a) tangential velocity - u = d b) shear stress - = x u/r b) stress c) friction F = A (bearing area = circum x l) d) ene
BRAE 312 HW 12 Assignment: Download 3 articles from the ASCE Research Library that have been published by either Dr. Charles Burt or Dr. Daniel Howes. Print the first page of each of the three articles.
Research Paper Resources Information
BRAE 312 HW13
Given: Water at an elevation of 7000 feet. Required: a) At approximately what temperature will water boil? (refer to appendix) b) A pump at this elevation with a negative gage pressure of -10.85 psi. At what temperature will the water boil?
BRAE 312 HW14
Given: A mercury manometer is connected to a pipeline carrying water at 150 degrees F. The elevation at point B is 2.5 feet above A and the mercury manometer reading is 21.6 inches. The specific gravity of mercury at 150 degrees F is 13.45.
BRAE 312 HW15 Given: A mercury manometer is connected to a pipeline carrying water at 57 degrees F. The elevation at point B is 1 feet above A. The Rm reading is 6.5 inches.
Required: a.) what is the pressure in the pipe (psi)? b.) repeat, assuming all te
BRAE 312 - HW 16
1.) Given: The rectangular masonry wall in the figure below weighs 135 pounds per cubic foot. The coefficient of friction is 0.45. Assume that the water does not get under the block.
b 9 ft ft
Find: a) What is the horizontal force a