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- Actual weight of steel bars = 2.340 kg/m, Standard weight of steel bars (20mm )= 2.470 kg/m, Load at yield point = 13100 kgf ,Load at breaking point = 14500 kgf, Maximum load = 18200 kgf, Unit weight of steel = 0.2834 lb/in^3. What is the cross-sectional area in ft^2, Yield strength, ultimate strength and breaking strength in psf?A homogenous steel rod has a diameter of 1.5 inches. When a load is applied, it deformed to about 0.045 inches. If the length of the rod is 6 ft and the modulus of elasticity is E=29x10^6 psi. Determine the force applied in kilopounds (kips).Consider a 1 m-long bar of 2024-T81 aluminum alloy with a 20mm-diameter and the following property data: E=70GPa Y.S.=410MPa T.S.=480MPa %Elongation at failure=8% What will be the length of the bar under a structural load of 1.2×10^5N in tension? Your answer should be in units of meters (m).
- An alloy steel having a diameter of 0.45 in. extends 0.002 in. over a gage length of 2.2 in. due to a tensile load of 3900 lb. What is the modulus of elasticity of this alloy steel? A)29,010 ksi B)27,000 ksi C)30,000 ksi D)28,000 ksiActual weight of steel bars = 1.520 kg/m, Standard weight of steel bars (16mm )= 1.579 kg/m, Load at yield point = 3480 kgf ,Load at breaking point = 7540 kgf, Maximum load = 7. 9260 kgf, Unit weight of steel = 7854 kg/m^3. What is the cross-sectional area in m^2? Compute it's yield strength,ultimate strength and breaking strength in MPA?Consider the 1040 carbon steel listed in the textbook's Table 6.1: A 20mm-diameter bar of this alloy is used as a structural member in an engineering design. The unstressed length of the bar is precisely 1m. The structural load on the bar is 1.2×10^5N in tension. What will be the length of the bar under this structural load (in meters)? Values from table: E [GPa (psi)] = 200(29*10^6) Y.S [MPa (ksi)] = 600(87) T.S [MPa (ksi)] = 750(109) Percent Elongation at failure = 17
- A tensile load of 50,000 lb is applied to a metal bar with a 0.6 in. * 0.6 in.cross section and a gauge length of 2 in. Under this load, the bar elastically deforms so that the gauge length increases to 2.007 in. and the cross section decreases to 0.599 in. * 0.599 in. Determine the modulus of elasticity and Poisson’s ratio for this metal.If an aluminum weighs 165 lb/ft^3, How much will a 12-in dia. sphere weigh when immersed in water?Note: Modulus of elasticity of steel is 2.0x106 kg/cm2
- A brass bar, having square cross-section of side 50 mm, is subjected to axial forces as shown in figure. 80 KN 600 mm 120 kN 1200 mm 20 kN 600 mm 20 KN If the modulus elasticity of bar is 105 N/mm², then the total change in magnitude of length of bar is mm (round off to three decimal places).If a metallic piece weighs 8 kg in air and 6 kg in water, then its specific gravity would be: a) 8 b) 6 c) 4 d) 3a) What is the final length of a 50-mm-long bar of copper, 10 mm in diameter, stressed by a 500-kg mass? What is the final diameter of the copper? Ecu = 115 GPa, v=0.34 b) If a steel bar of the same diameter has the same force applied to it, how long must it be to extend the same amount as the copper bar in part a? Esteel = 207 GPa, v=0.30