of 2,00,000 litres of raw water, found to have the following chemical & Calculate the requirement of lime and soda for cold softening composition : Analysis of raw water Dissolved CO, = 39.6 mg/l %3D Ca++ = 44 mg/l %3D Mg** = 18 mg/l Nat = 16 mg/l %3D Alkalinity (HCO,) = 122 mg/l. %3D

of 2,00,000 litres of raw water, found to have the following chemical & Calculate the requirement of lime and soda for cold softening composition : Analysis of raw water Dissolved CO, = 39.6 mg/l %3D Ca++ = 44 mg/l %3D Mg** = 18 mg/l Nat = 16 mg/l %3D Alkalinity (HCO,) = 122 mg/l. %3D

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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2) Two aggregates (Al and A2) were obtained from the field. They were brought to the oven dry condition (OD) and weighed. Data for each of the aggregates is presented in the table below. (Density of water=1g/cm') Table 1. Absorption capacity and moisture content data. A1 A2 Field Weight 600 g 600 g 598.3 g Oven Dry Weight Absorption Capacity (%) 0.6 % 595.3 g 0.7% a) Describe the field moisture state of each aggregate, Al and A2 (i.e. wet, SSD, or air dry). For each sample would you add water or dry the sample to bring it to SSD state? Determine the expected mass of each sample in the SSD state. b) If the bulk volume Al oven dry is 220 cm and the bulk volume of A2 oven dry is 250 cm2, determine the bulk oven dry specific gravity for each aggregate, Al and A2. MONSTER E12 PRT SC PAUSE う

A//If the concentration of Ca is 56.4 mg/L and of Mg is 8.8 mg/L in water, what is the total hardness of the water expressed in rng/L of caco;?
You are asked to design a water softening system to bring following water to a final hardness if 75.0 mg/L as CaCO3. The ion concentrations reported below are all mg/L as CaCO3. Ca2+ = 240.00; Mg2+ = 90.0; HCO3- = 268.0; and CO2= 18.0 The total lime required and initial NCH are nearly 1. 330 and 268 mg/L as CaCO3 2. 376 and 62 mg/L as CaCO3 3. 330 and 27 mg/L as CaCO3 4. 376 and 268 mg/L as CaCO3
9) What is meant by 'hydraulicity"? State which of the following materials are hydraulic binders. Hydraulic/Not hydraulic Hydraulic/Not hydraulic Silica fume High Alumina Cement | Plaster of paris Ground granulated blast furnance slag Clay Portland cement Hydraulic lime Limestone Calcium hydroxide Fly ash calcium hydroxide mixture
Water analysis was carried out for a groundwater sample. The sum of the anions is equal to the sum of the cations. Calculatea) Total hardnessb) Carbonate and Non-Carbonate Hardness Hardnessc) Alkalinity
Given cement compounds: C3A = 7.3% C4AF = 12.2% C3S = 48.4% C2S = 29.7% What should be made in terms of sourcing raw materials if the manufacture wants to produce a Sulphate Resisting Portland Cement? Compare and contrast between Ordinary Portland Cement and Sulphate Resisting Portland Cement.
Note: Read the question carefully and give me right solution according to the question. I want clear solution with clear steps. A water contains 38.50 mg/L as CaCO3 of carbon dioxide, 288.00 mg/L as CaCO3 of Ca2+ and 53.00 mg/L as CaCO3 of Mg2+. All of the hardness is carbonate hardness. Using the stoichiometry of the lime soda ash softening equations, what is the daily sludge production (in dry weight, kg/day) if the plant treats water at a rate of 56.00 MGD? Assume that the effluent water contains no carbon dioxide, 30.0 mg/L as CaCO3 of Ca2+ and 10.0 mg/L as CaCO3 of Mg2+. Be sure to calculate the mass of CaCO3 and Mg(OH)2 sludge produced each day.
I) Two aggregates (Al and A2) were obtained from the field. A sieve analysis was performed on each sample, and the samples (originally 500g in mass) were brought to the oven dry condition (OD) and weighed. Data was obtained for each of the aggregates and is presented in the tables below. (Density of water-1g/cm) Table 1. Results from sieve analysis. Sieve Size Opening (mm) Weight of Aggregate retained (g) A1 A2 3/8" 9.5 No. 4 4.75 65 No. 8 2.36 60 25 No. 16 1.18 100 396 No. 30 0.6 50 No. 50 0.3 118.5 10 No. 100 0.15 75 15 Pan 75 Table 2. Absorption capacity and moisture content data. Al A2 500 g 500 g Field Weight Oven Dry Weight Absorption Capacity (%) 0.7 % 498.5 g 496 g 0.6 % a) Plot the grading curve for each aggregate (x-axis: sieve opening, y-axis: %passing). (Note: In the grading curves, you must show all data points. You can draw the gradation chart using excel or by hand. If you draw by hand, you have to use a ruler. The format of the gradation chart should be same as in the…
For each of the following indicate if the designated technology is appropriate for the indicated water-quality problem. Explain why or why not (answer in no more than a few sentences). g. Lime treatment for hardness of 90 mg/L as CaCO3. h. Ion exchange for hardness of 90 mg/L as CaCO3.
c) If the cement manufacturer wanted to produce a white Portland cement, whatchanges would be made in terms of sourcing raw materials?The molecular weight weights of the oxide components of Portland cement are:CaO = 56; SiO2 = 60; Al2O3 = 102; Fe2O3 = 160
In determination of Hardness, If the volume of EDTA (0.02N) is 17.8 mL, the Volume of sample is 20 mL and the EW of CaCO3 is 50.Calculate the total hardness as mg (CaCO3)/L