Q. 4. 1 ppm CaC03 equivalent hardness is meant by A : 10 mg CaC03 equiv. Per litre B : 100 mg CaC03 equiv. Per litre C : 1 mg CaC03 equiv. Per litre D : 103 mg CaC03 equiv. Per litre
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Q. 4. 1 ppm CaC03 equivalent hardness is meant by
A : 10 mg CaC03 equiv. Per litre
B : 100 mg CaC03 equiv. Per litre
C : 1 mg CaC03 equiv. Per litre
D : 103 mg CaC03 equiv. Per litre
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- A liquid which is compressed in a cylinder has a volume of 1 liter at 2Mpa, and a volume of 990 cu.cm at 2.5 Mpa. Determine its bulk modulus of elasticity (Mpa) Choices are: A. 80 B. 90 C. 50 D. 60What is the molar concentration of 196 mg/L sulfate acid (H2SO4)? Use mol/L or mmol/L as the unit in your final result.Softening point test 1- Between the relationship of penetration and ductility and what is the difference between penetration and ductility2- If there are two models, whichever is softer, the first model has a temperature of 55 ° C, or the second model with a temperature of 60 ° C3- What does the ball represent, and why is the ball used instead of any other weight
- Ƭ allow (MPa)=15 T1 (Nm)=35 T2 (Nm)=50 T3 (Nm)=60 T4 (Nm)= 70 T5 (Nm)=80Problem 5: F₁ Inputs: a V F₂ ● ● System 1 b P F3 M₁ a = 2 ft b = 5 ft F₁ = 50 lb F₂ = 20 lb F3 = 20 lb M₁ = 30 ft-lb ·X F4 M₂ 0 ● ● System 2 b P a a = same b = same F4 = 20 lb F5 = unknown F6 = 8 lb M₂ = unknown F5 F6 X We will make system 1 equivalent to system 2. As with all 2D equivalent system problems, we will start by summing forces in the x-direction, summing forces in the y-direction, and summing moments about any point. We will do this for the "original system" which we will consider system 1. Then we must ensure the exact same things take place in system 2. a) Compute the required value of F5 such that the Fx in system 1 is the same as in system 2 b) Confirm that the EF, is the same in both systems c) Compute the required value of M₂ such that the EMo in system 1 is the same as in system 2. You must use point O as your reference point for both systems. d) Confirm your answers by summing moments about point P instead. System 1 must still be the same as system 2 if they are…ES C raudon . A water contains 200 mg/L Ca, 75 mg/L Mg, 180 mg/L HCO,, and 150 mg/L. CO₂, all expressed as CaCO3. Determine the chemical dosages required to soften this water as much as possible without removing magnesium. What will the final hardness be? let
- The answer should be in lb. Fluid mechanics -Civil2. A cube of material is 4 in. on a side and floats at the interface between kerosene (SG=0.82) and water, as shown. a. Find the specific gravity of the material. b. How much weight is required to fully sSubmerge the cube under water? (SG=0.973) (0.063 lb) Kerosene b/3 Water 2b/3 b- APIL(b) Calculate the quantity of lime and soda required for softening one million litre of the following sample of water. If the purities of lime and soda are 80% and 85% respectively. The impurities are Silica = 75 mg/lit. MgCl2 = 19 mg/lit. MGSO4 = 30 mg/lit. CaSO4 = 68 mg/lit. MgCO3 = 884 mg/lit. CaCO3 = 120 mg/lit.
- The nutural frequancy for the system is equal to k rigid uniform bar of mass (m) P b L 1 3kb2+PL 1 3kb2 mL? 2n The answer is O The Answer is 3kb²–3PL 2n V None of All mL? The Answer is O the answer is 3kb2+3PL mL? 1 the Answer isReferring to the dial gauge shown in Figure P1.44, determine a. Accuracy b. Sensitivity c. Range, given that the small pointer moves one division for each full turn of the large pointer d. Which of the preceding items can be improved through calibration? e. For measuring devices, which of the following two statements is always true? 19 0 18 17 Bai 16 15 -14 13 002 mm 12 11 10 FIGURE P1.44 (i) Accuracy cannot exceed sensitivity (ii) Sensitivity cannot exceed accuracy 6.5 Which one of the following is the unit of the ratio of dynamic viscosity to density? a. Stokes b. Pa-s c. N m2/s d. Poise