Which statement is true? Statement 1: Separatory Funnel is an apparatus used in extraction, while Buchner Funnel is an apparatus used in filtration. Statement 2: Measurement taken using Analytical balance is more precise than that of top loading balance.
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Which statement is true?
Statement 1: Separatory Funnel is an apparatus used in extraction, while Buchner Funnel is an apparatus used in filtration.
Statement 2: Measurement taken using Analytical balance is more precise than that of top loading balance.
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- Problem 3 Consider the casting of a pig-like art piece using ductile iron. Dimensions are shown below. Using the NRL method, design the riser needed. Hint: Simplify the shapes to make calculations easier. 100 mm Smm 60mm > + Smm Sem 5mm 30mm 100 mm (0 미 30mm Problem 4 In Problem 3, if the solidification time of the riser alone is around 30 secs, what would be the estimated solidification time of the casting alone? Hint: The same mold is used and it has a homogeneous composition.please show ocmplete solution and figures and sketchesMohr's circle is shown for a point in a physical object that is subjected to plane stress. Each grid square is 880 psi in size. (a) Determine the stresses Ox, Øy, and the magnitude of Txy and show them on a stress element. (b) Determine the principal stresses and the magnitude of the maximum in-plane shear stress acting at the point and show these stresses on an appropriate sketch (e.g., see Figure 12.15 or Figure 12.16). C X Ø C y (1 b
- 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 isSand particles does have liquid limit ? Justify your answer4. MECHANICAL SEPARATION A sieve analysis gives the following results: Sieve size (mm) Wt. retained (g) 1.000 0 0.500 64 0.250 0.125 0.063 324 240 48 24 Through 0.063 Plot a cumulative size analysis and a size-distribution analysis, and estimate the weights, per 1000 kg of powder, which would lie in the size ranges 0.150 to 0.200 mm and 0.250 to 0.350 mm.
- 1. Why do you think there is a need to agitate the aggregates inside the cylinder mold by rodding? 2. Determine the unit weight of the aggregates from the video. a. Dry Loose Unit Weight of the Fine Aggregate b. Dry Rodded Unit Weight of the Fine Aggregate c. Dry Loose Unit Weight of the Coarse Aggregate d. Dry Rodded Unit Weight of the Coarse Aggregate 3. A coarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained. a. Volume of Bucket = 0.0094m³ %3D b. Weight of empty bucket = 8,391 g c. Weight of bucket filled with dry rodded coarse aggregate = 25,355 g %3D Calculate the dry-rodded unit weight. 4. Coarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained. a. Volume of Bucket = 0.0142m³ %3D b. Weight of empty bucket = 9,207 g c. Weight of bucket filled with dry rodded coarse aggregate: i. Trial 1= 34,745 g ii. Trial 2 = 34,065 g…6-39 The following data were collected from a 10.16 mm-diameter test specimen of polyvinyl chloride (lo = 50.8 mm): Load (kN) Al (mm) 0.00000 1.334 0.1895 2.668 0.38 4.003 0.603 5.34 0.813 6.67 1.168 7.38 1.778 (maximum load) 7.12 2.388 6.316 3.048 (fracture) After fracture, the total length was 53.086 mm and the diameter was 9.982 mm. Plot the engineering stress strain curve and calculate (a) the 0.2% offset yield strength; (b) the tensile strength; (c) the modulus of elasticity; (d) the % elongation; (e) the % reduction in area; (f) the engineering stress at fracture; and (g) the modulus of resilience.Determine the volume of the solid in the pipe shown in the figure below. Show complete solution with correct labels. 8mm 4 mm 18 mm
- Determine plasticity index if liquid limit is 40% and plastic limit is 30%(b)What are the different flow pattern of solids are seen when solids flow out of a bin.4.3 A homogeneous circular cylinder of length h, radius r and specific gravity S, floats in water. It is noted that r = 2/3h Under which one of the following conditions will the flotation be unstable? (a) 0.11 s S< 0.22 (b) 0.22 < S < 0.33 (c) 0.33 < S <0.66 (d) 0.66 sSs 0.99