Classify the soil according to Unified soil classification. Explain each classification
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Classify the soil according to Unified soil classification. Explain each classification
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- Determine the force in each member of the loaded truss. All triangles are equilateral with side length d. The forces are positive if in tension, negative if in compression. AB= tolerance is ± 1 in the 3rd ficant digit. AG = BC = BG= CD = CF = i i i i i B i G 2.8 KN d F 6.3 KN 3 3 3 3 3 3 KN KN KN kN kN D E[15 pts] 6) A cylindrical rod having a diameter of 8 mm is to be deformed using a tensile load of 19 kN. It must not experience plastic deformation and a diameter reduction of more than 7.5x10-3mm. Of the materials listed as follows, which material meets the conditions? Material Modulus of Elasticity (GPa) Yield Strength (MPa) Poisson's Ratio Aluminum alloy 70 200 0.33 Brass alloy 101 300 0.34 Steel alloy 207 400 0.30 Titanium alloy 107 650 0.34Among the test coupon you were provided with, which material has the highest potential for strain hardening? This means the yield strength of the material can be improved, as a percentage of its current yield strength, by the largest margin. Justify your answer. tem HIPS nylon 6 (fiber) ABS polypropylene Tensile strength 52 MPa 63 МРа 44 MPa 34 MPа Experimental Modulus of 885 MPa 980 MPа 950 MPa 480 MPа elasticity Cross Sectional Area 2.482 mm? 2.482 mm? 2.482 mm? 2.482 mm? Tensile elongation at break 100-200% 12-16% 80-110% 100 - 650%
- According to Figure 5-20, is ii possible to completely separate one of the four materials from the other three? Explain your answer.A 1.2-ff3 block of aluminum is tied to a piece of cork (SG=0.22), as shown. What volume of cork is required to keep the aluminum (SG=2.7) from sinking in castor oil (SG=0.96)?use Philippines NSCP 2015 for reference
- Question One (Compulsory) The following results were obtained during a tensile testing of a highiy ductile bronze specimen: Stress 249 (MPa) Strain 0.001 0.024 0.035 0.041 0.049 0.059 0.074 0.14 498 746 870 995 1119 1244 1368 1493 1552 1552 14 0.43 0.63 0.8 0.9 (B: The original diameter of the test piece was 15 mm and the gauge length was 75 mm. The diameter a fracture was 12.5 mm. Using the graph paper provided, carry out the following: i. Plot the engineering stress - strain diagram ii. Determine the maximum stress on the specimen ii. Calculate the force at ultimate tensile strength point iv. Determine the yield strength Calculate the % elongation V. vi. Calculate the true stress and true strain at fracture point.A machine element in a packaging machine is subjected to a tensile load of 36.6 kN that will be repeated several thousand times over the life of the machine. The cross section of the element is 12 mm thick and 20 mm wide. Specify a suitable material from which to make the element. 47Define a ceramic material and state the 5 properties that iscommon to ceramic material.
- Three materials X, Y, and Z are available for a certain usage. Any material selected must have a good weldability. Tensile strength, stiffness, stability and fatigue strength are required with fatigue strength considered being the most important and stiffness the least important of these factors. The three materials are rated as follows in these factors. Properties X Y Weldability Excellent Рoor Good Tensile strength G E Fair Stiffness Very Good G G Stability G E G Fatigue strength F G E Which material should be selected? Explain your choice.The compound bar containing steel bronze and aluminum segments carries the axial loads shown in the figure. The properties of the segments are listed in the table. Determine the maximum allowable value of P in pounds if the change in length of the entire bar is limited to +0.07in. Steel Bronze Aluminm (A) 22,250 B) 26,250 25,250 D) 27,250 A (in²) 0.75 1 0.5 2P Steel 2 ft Bronze 4 ft 5P E (psi) 30000000 12000000 10000000 4P+ Aluminum 3 ft P L (FT) 4 3A tensile load of 150kN is applied to a round metal bar with a diameter of 16mm and a gage length of 80mm. Under this load, the bar elastically deforms so that the gage length increases to 80.1192mm and the diameter decreases to 15.89mm. a.) Modulus of elasticity (MPa)b.) Poisson's ratio for this metal
