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A bimetallic cylindrical bar of cross sectional area 1 m2 is made by bonding Steel (Young's modulus = 210 GPa) and Aluminium (Young's modulus = 70 GPa) as shown in the figure. To maintain tensile axial strain of magnitude 10–6 in steel bar and compressive axial strain of magnitude 10–6 in Aluminum bar, the magnitude of the required force P(in kN) along the indicated direction is
[2018]
  • a)
    70
  • b)
    140
  • c)
    210
  • d)
    280
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A bimetallic cylindrical bar of cross sectional area 1 m2 is made by b...

Let RA & RB be the reation at the supports A & B. For the equilibrium of the bar these reaction must act towards left. so that; 
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A bimetallic cylindrical bar of cross sectional area 1 m2 is made by bonding Steel (Youngs modulus = 210 GPa) and Aluminium (Youngs modulus = 70 GPa) as shown in the figure. To maintain tensile axial strain of magnitude 10–6 in steel bar and compressive axial strain of magnitude 10–6 in Aluminum bar, the magnitude of the required force P(in kN) along the indicated direction is[2018]a)70b)140c)210d)280Correct answer is option 'D'. Can you explain this answer?
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A bimetallic cylindrical bar of cross sectional area 1 m2 is made by bonding Steel (Youngs modulus = 210 GPa) and Aluminium (Youngs modulus = 70 GPa) as shown in the figure. To maintain tensile axial strain of magnitude 10–6 in steel bar and compressive axial strain of magnitude 10–6 in Aluminum bar, the magnitude of the required force P(in kN) along the indicated direction is[2018]a)70b)140c)210d)280Correct answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A bimetallic cylindrical bar of cross sectional area 1 m2 is made by bonding Steel (Youngs modulus = 210 GPa) and Aluminium (Youngs modulus = 70 GPa) as shown in the figure. To maintain tensile axial strain of magnitude 10–6 in steel bar and compressive axial strain of magnitude 10–6 in Aluminum bar, the magnitude of the required force P(in kN) along the indicated direction is[2018]a)70b)140c)210d)280Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A bimetallic cylindrical bar of cross sectional area 1 m2 is made by bonding Steel (Youngs modulus = 210 GPa) and Aluminium (Youngs modulus = 70 GPa) as shown in the figure. To maintain tensile axial strain of magnitude 10–6 in steel bar and compressive axial strain of magnitude 10–6 in Aluminum bar, the magnitude of the required force P(in kN) along the indicated direction is[2018]a)70b)140c)210d)280Correct answer is option 'D'. Can you explain this answer?.
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