A steel rod 3 ft long with a cross-sectional area of 0.3 in.2 is stretched between two fixed points. The tensile force in the d is 1200 lb at 40°F. Using a = 6.5 x 10/°F and E= 29 x 10° psi. a) Calculate the temperature at which the stress in the rod will be 10 ksi. b) Calculate the temperature at which the stress in the rod will be zero.
A steel rod 3 ft long with a cross-sectional area of 0.3 in.2 is stretched between two fixed points. The tensile force in the d is 1200 lb at 40°F. Using a = 6.5 x 10/°F and E= 29 x 10° psi. a) Calculate the temperature at which the stress in the rod will be 10 ksi. b) Calculate the temperature at which the stress in the rod will be zero.
Chapter2: Loads On Structures
Section: Chapter Questions
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![7. A steel rod 3 ft long with a cross-sectional area of 0.3 in.2 is stretched between two fixed points. The tensile force in the
rod is 1200 lb at 40°F. Using a = 6.5 x 10°F andE=29 x 10° psi.
a) Calculate the temperature at which the stress in the rod will be 10 ksi.
b) Calculate the temperature at which the stress in the rod will be zero.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4a54b500-2c81-446a-a317-905531631716%2Fcec45d31-fda5-407e-87c8-86962d8658b7%2Ftqv7r9b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7. A steel rod 3 ft long with a cross-sectional area of 0.3 in.2 is stretched between two fixed points. The tensile force in the
rod is 1200 lb at 40°F. Using a = 6.5 x 10°F andE=29 x 10° psi.
a) Calculate the temperature at which the stress in the rod will be 10 ksi.
b) Calculate the temperature at which the stress in the rod will be zero.
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