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Q1. A circular rod of 12 mm diameter was tested for tension. The total elongation on...
1. A tensile force of 100 kN is applied on a 0.02 m diameter 2 m...
1. A tensile force of 100 kN is applied on a 0.02 m diameter 2 m length rod. After applying the load, the diameter of the rod decreases to 0.01998 m and the length increases to 2.01 m. What is the Poisson's Ratio of this material? 2. A tensile force of 100 kN is applied on a 0.02 m diameter 2 m length rod. After applying the load, the diameter of the rod decreases to 0.01998 m and the length...
6. A rod pof steel is l=12_ cm long and has a d= 0.6 mm diameter....
6. A rod pof steel is l=12_ cm long and has a d= 0.6 mm diameter. A P= 16 kN load pulls on each end of the bar. Given the strain along the bar El= 0.03, and Poisson's ratio of v=0.21 : (20%) .. Р Р a) the stress exerted on the rod o? b) the modulus of elasticity, E? c) the elongation of the bar, Al? d) the strain along the lateral direction, Edia? e) the change of diameter...
Q3. (a) Define "Brittle Define "Brittle Materials and Ductile Materials in terms of Ductinty. (12 marks)...
Q3. (a) Define "Brittle Define "Brittle Materials and Ductile Materials in terms of Ductinty. (12 marks) (b) A solid metal bar of 30 mm tensile load of 120 kN. Find the stress, strain an Assume the Young's Modulus of the metal is 200 kN/mmº. Dar of 30 mm in diameter and 8 m in length is subjected to a ad of 120 kN. Find the stress strain and elongation in the matena. (9 marks) (c) A metal bar is subjected...
A bar of aluminum is tested under tension, the specimen has a rectangular n with dimensions...
A bar of aluminum is tested under tension, the specimen has a rectangular n with dimensions of 4 mm by 20 mm. The initial length of the sample is 60 mm, the load (force) versus elongation (Aに!finalㅢinitial) graph of this specimen is shown below. a) Determine the ultimate tensile strength. b) Young's modulus c) Total strain after failure 100 63 Fracture ー30 2 3 4 5 Elongation, mm .2 0
Engineering materials b) A mild steel rod of 4 cm diameter was tested for tensile strength...
Engineering materials
b) A mild steel rod of 4 cm diameter was tested for tensile strength with the gauge length of 60 mm. The following observations were recorded: Final length = 9 cm; Final diameter = 8 mm; Yield load – 5.4 kN and Ultimate load – 8.1 KN. (4 Marks) Calculate 1. Yield stress (1 Mark) 2. Ultimate tensile stress (Mark) 3. Percentage reduction in area. (1 Mark) 4. Percentage elongation (IMark)
A 8.9-mm-diameter rod of 3003-H14 aluminum alloy with an elastic modulus of 58MPa and a poisson's...
A 8.9-mm-diameter rod of 3003-H14 aluminum alloy with an elastic modulus of 58MPa and a poisson's ratio of 0.31 is subjected to a 5-kN tensile load. Calculate the resulting rod diameter to 5 significant figures. Answer:
A 7.3-mm-diameter rod of 3003-H14 aluminum alloy with an elastic modulus of 51MPa and a poisson's...
A 7.3-mm-diameter rod of 3003-H14 aluminum alloy with an elastic modulus of 51MPa and a poisson's ratio of 0.3 is subjected to a 4-KN tensile load. Calculate the resulting rod diameter to 5 significant figures. Answer:
Problem 1: A round bar with a diameter of 29 mm, and 4880 mm in length...
Problem 1: A round bar with a diameter of 29 mm, and 4880 mm in length was under tensile test to determine the mechanical properties of the material. The following table shows the load versus strain data collected from the testing machine and a strain gauge applied on the bar in the loading direction. The measured percentage elongations were 19.4 % and 14.2 % on gauge lengths of 100 mm and 200 mm respectively. Assume: the elongations include the necking:...
Q} A mild Steel rod of 10 mm dia., 25 mm long was subjected to a...
Q} A mild Steel rod of 10 mm dia., 25 mm long was subjected to a tensile load of 5 kN, its elongation been 0.277 mm, estimate the value of its young's modulus
A test bar of a metal with 12.83 mm in diameter and 50 mm gage length...
A test bar of a metal with 12.83 mm in diameter and 50 mm gage length is loaded elastically with 156 kN tensile load and is stretched by 0.356 mm. Its diameter is 12.80 mm under load. What is the elastic modulus of the metal?
1. A tensile force of 100 kN is applied on a 0.02 m diameter 2 m length rod. After applying the load, the diameter of the rod decreases to 0.01998 m and the length increases to 2.01 m. What is the Poisson's Ratio of this material? 2. A tensile force of 100 kN is applied on a 0.02 m diameter 2 m length rod. After applying the load, the diameter of the rod decreases to 0.01998 m and the length...
6. A rod pof steel is l=12_ cm long and has a d= 0.6 mm diameter. A P= 16 kN load pulls on each end of the bar. Given the strain along the bar El= 0.03, and Poisson's ratio of v=0.21 : (20%) .. Р Р a) the stress exerted on the rod o? b) the modulus of elasticity, E? c) the elongation of the bar, Al? d) the strain along the lateral direction, Edia? e) the change of diameter...
Q3. (a) Define "Brittle Define "Brittle Materials and Ductile Materials in terms of Ductinty. (12 marks) (b) A solid metal bar of 30 mm tensile load of 120 kN. Find the stress, strain an Assume the Young's Modulus of the metal is 200 kN/mmº. Dar of 30 mm in diameter and 8 m in length is subjected to a ad of 120 kN. Find the stress strain and elongation in the matena. (9 marks) (c) A metal bar is subjected...
A bar of aluminum is tested under tension, the specimen has a rectangular n with dimensions of 4 mm by 20 mm. The initial length of the sample is 60 mm, the load (force) versus elongation (Aに!finalㅢinitial) graph of this specimen is shown below. a) Determine the ultimate tensile strength. b) Young's modulus c) Total strain after failure 100 63 Fracture ー30 2 3 4 5 Elongation, mm .2 0
Engineering materials
b) A mild steel rod of 4 cm diameter was tested for tensile strength with the gauge length of 60 mm. The following observations were recorded: Final length = 9 cm; Final diameter = 8 mm; Yield load – 5.4 kN and Ultimate load – 8.1 KN. (4 Marks) Calculate 1. Yield stress (1 Mark) 2. Ultimate tensile stress (Mark) 3. Percentage reduction in area. (1 Mark) 4. Percentage elongation (IMark)
A 8.9-mm-diameter rod of 3003-H14 aluminum alloy with an elastic modulus of 58MPa and a poisson's ratio of 0.31 is subjected to a 5-kN tensile load. Calculate the resulting rod diameter to 5 significant figures. Answer:
A 7.3-mm-diameter rod of 3003-H14 aluminum alloy with an elastic modulus of 51MPa and a poisson's ratio of 0.3 is subjected to a 4-KN tensile load. Calculate the resulting rod diameter to 5 significant figures. Answer:
Problem 1: A round bar with a diameter of 29 mm, and 4880 mm in length was under tensile test to determine the mechanical properties of the material. The following table shows the load versus strain data collected from the testing machine and a strain gauge applied on the bar in the loading direction. The measured percentage elongations were 19.4 % and 14.2 % on gauge lengths of 100 mm and 200 mm respectively. Assume: the elongations include the necking:...
Q} A mild Steel rod of 10 mm dia., 25 mm long was subjected to a tensile load of 5 kN, its elongation been 0.277 mm, estimate the value of its young's modulus
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