Homework Answers
Note: there is no use of area to find the thermal
stress
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4. The A-36 steel bar (coefficient of thermal expansion = 6.6x10 6/°F and modulus of elasticity...
A 10-m steel rod is snugly supported by two rigid supports at the end. The coefficient...
A 10-m steel rod is snugly supported by two rigid supports at
the end. The coefficient of thermal expansion and contraction of
the rod is 6X10^-6 per F and the elastic modulus is 210 GPa. If the
temperature of the body is increased by 50 F, the thermal stress
developed at the supports is most nearly:
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A 10-m steel rod is snugly supported by two rigid supports at the end. The coefficient of thermal expansion and contraction...
A system of bars consists of a steel bar (AB) and an aluminum bar (BC). Bar...
A system of bars consists of a steel bar (AB) and an aluminum
bar (BC). Bar AB has a cross-section of 2 inches by 0.75 inches and
has a modulus of elasticity of 29000 ksi and a coefficient of
thermal expansion of 6.5X10-6 /F. Bar BC has a
cross-section of 3 inches by 0.75 inches and has a modulus of
elasticity of 10600 ksi and a coefficient of thermal expansion of
12.8X10-6 /F. A gap of 0.03 inches exists between...
3 3. (25 pts.) A system of bars consists of a steel bar (AB) and an...
3 3. (25 pts.) A system of bars consists of a steel bar (AB) and an aluminum bar (BC). Bar AB has a cross-section of 2 inches by 0.75 inches and has a modulus of elasticity of 29000 ksi and a coefficient of thermal expansion of 6.5x10-6 /F. Bar BC has a cross-section of 3 inches by 0.75 inches and has a modulus of elasticity of 10600 ksi and a coefficient of thermal expansion of 12.8x106/F. A gap of 0.03...
Determine F1 in left steel bar F2 in right steel bar Normal Stress in left steel...
Determine F1 in left steel bar
F2 in right steel bar
Normal Stress in left steel bar
Normal stress in right steel bar
A = 1200 mm h2 h A = 300 mm B A 41 12 The figure above shows a rigid bar ABC, pin connected to two vertical steel bars and a pin support at B. The two steel bars have heights of h1 = 1.2 m, h2 = 1.5 m and are placed from B at distances...
versidad de Puerto Rico en Mayaguez matic bar AB, made of Titanium alloy a linearly elastic...
versidad de Puerto Rico en Mayaguez matic bar AB, made of Titanium alloy a linearly elastic material is held between oyable supports as shown in the figure below. The bar has a modulus of elasticity of 120 GPa and a coefficient of thermal expansion of 9.4310-rc. [45pts] If the temperature of the bar is raised uniformly by 60 °C. determine the thermal stress developed in the bar. In addition, determine the complete state of stress on stress element aligned with...
Member (1) is a solid 50 mm diameter cylinder made from magnesium. The modulus of elasticity...
Member (1) is a solid 50 mm diameter cylinder made from magnesium. The modulus of elasticity is 44.7 GPa and the thermal coefficient of expansion is 26 x 106/°C. The cylinder is placed in a clamp when the temperature is 20℃ Two stainless steel carriage bolts (2) hold the cylinder snug with negligible force against the rigid jaws of the clamp. Each bolt has a diameter of 10 mm, modulus of elasticity of 193 GPa, and a coefficient of thermal...
Problem 4.79 When the temperature is at 30° C, the A-36 steel pipe fits snugly between...
Problem 4.79 When the temperature is at 30° C, the A-36 steel pipe fits snugly between the two fuel tanks. When fuel flows through the pipe, the temperatures at ends A and B rise to 130° C and 80° C, respectively. The modulus of elasticity for the material is 200 GPa and the coefficient of thermal expansion is 12 x (106/C. 150 mm 0 10 mm Section a-a 6 m 4l Part A If the temperature drop along the pipe...
(a) If a rod of steel having modulus elasticity 207 GPa is stress free at 20°C,...
(a) If a rod of steel having modulus elasticity 207 GPa is stress free at 20°C, coefficient of thermal expansion 12*10% ("C)?,0.5 m long is heated from 20 to 80°C (293 to 353 K) while its ends are maintained rigid between the fixed boundaries, determine the type and magnitude of stress that develops. (2 Marks) (b) What will be the stress magnitude if a rod 1 m long is used? (1 Marks) (©) If the rod in part (a) is...
(a) Bar A has a cross-sectional area of 0.04 m2, mod ulus of elasticity E 70...
(a) Bar A has a cross-sectional area of 0.04 m2, mod ulus of elasticity E 70 GPa, and coefficient of thermal 6 oC-1. Bar B has a cross-sectional 14 x 10 expansion a area of 0.01 m2, modulus of elasticity E 120 GPa, and co efficient of thermal expansion a 16 x 10 6 oct I. There is a gap b 0.4 mm between the ends of the bars. What minimum increase in the temperature of the bars above their...
Problem 1 A composité beam made of concrete (c) and six steel Steel bars (s) bars...
Problem 1 A composité beam made of concrete (c) and six steel Steel bars (s) bars is shown below. The steel bars run through the concrete from the top to bottom and have the same length as the concrete block. Each steel bar has a diameter of in. Calculate the cross- sectional area of the concrete and the area of all the steel bars. If the temperature rises by AT 65 °F, determine the normal stress in the steel bars....
A 10-m steel rod is snugly supported by two rigid supports at
the end. The coefficient of thermal expansion and contraction of
the rod is 6X10^-6 per F and the elastic modulus is 210 GPa. If the
temperature of the body is increased by 50 F, the thermal stress
developed at the supports is most nearly:
SHOW ALL WORK
A 10-m steel rod is snugly supported by two rigid supports at the end. The coefficient of thermal expansion and contraction...
A system of bars consists of a steel bar (AB) and an aluminum
bar (BC). Bar AB has a cross-section of 2 inches by 0.75 inches and
has a modulus of elasticity of 29000 ksi and a coefficient of
thermal expansion of 6.5X10-6 /F. Bar BC has a
cross-section of 3 inches by 0.75 inches and has a modulus of
elasticity of 10600 ksi and a coefficient of thermal expansion of
12.8X10-6 /F. A gap of 0.03 inches exists between...
3 3. (25 pts.) A system of bars consists of a steel bar (AB) and an aluminum bar (BC). Bar AB has a cross-section of 2 inches by 0.75 inches and has a modulus of elasticity of 29000 ksi and a coefficient of thermal expansion of 6.5x10-6 /F. Bar BC has a cross-section of 3 inches by 0.75 inches and has a modulus of elasticity of 10600 ksi and a coefficient of thermal expansion of 12.8x106/F. A gap of 0.03...
Determine F1 in left steel bar
F2 in right steel bar
Normal Stress in left steel bar
Normal stress in right steel bar
A = 1200 mm h2 h A = 300 mm B A 41 12 The figure above shows a rigid bar ABC, pin connected to two vertical steel bars and a pin support at B. The two steel bars have heights of h1 = 1.2 m, h2 = 1.5 m and are placed from B at distances...
versidad de Puerto Rico en Mayaguez matic bar AB, made of Titanium alloy a linearly elastic material is held between oyable supports as shown in the figure below. The bar has a modulus of elasticity of 120 GPa and a coefficient of thermal expansion of 9.4310-rc. [45pts] If the temperature of the bar is raised uniformly by 60 °C. determine the thermal stress developed in the bar. In addition, determine the complete state of stress on stress element aligned with...
Member (1) is a solid 50 mm diameter cylinder made from magnesium. The modulus of elasticity is 44.7 GPa and the thermal coefficient of expansion is 26 x 106/°C. The cylinder is placed in a clamp when the temperature is 20℃ Two stainless steel carriage bolts (2) hold the cylinder snug with negligible force against the rigid jaws of the clamp. Each bolt has a diameter of 10 mm, modulus of elasticity of 193 GPa, and a coefficient of thermal...
Problem 4.79 When the temperature is at 30° C, the A-36 steel pipe fits snugly between the two fuel tanks. When fuel flows through the pipe, the temperatures at ends A and B rise to 130° C and 80° C, respectively. The modulus of elasticity for the material is 200 GPa and the coefficient of thermal expansion is 12 x (106/C. 150 mm 0 10 mm Section a-a 6 m 4l Part A If the temperature drop along the pipe...
(a) If a rod of steel having modulus elasticity 207 GPa is stress free at 20°C, coefficient of thermal expansion 12*10% ("C)?,0.5 m long is heated from 20 to 80°C (293 to 353 K) while its ends are maintained rigid between the fixed boundaries, determine the type and magnitude of stress that develops. (2 Marks) (b) What will be the stress magnitude if a rod 1 m long is used? (1 Marks) (©) If the rod in part (a) is...
(a) Bar A has a cross-sectional area of 0.04 m2, mod ulus of elasticity E 70 GPa, and coefficient of thermal 6 oC-1. Bar B has a cross-sectional 14 x 10 expansion a area of 0.01 m2, modulus of elasticity E 120 GPa, and co efficient of thermal expansion a 16 x 10 6 oct I. There is a gap b 0.4 mm between the ends of the bars. What minimum increase in the temperature of the bars above their...
Problem 1 A composité beam made of concrete (c) and six steel Steel bars (s) bars is shown below. The steel bars run through the concrete from the top to bottom and have the same length as the concrete block. Each steel bar has a diameter of in. Calculate the cross- sectional area of the concrete and the area of all the steel bars. If the temperature rises by AT 65 °F, determine the normal stress in the steel bars....
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