A railroad track is laid at a temperature of 10°C with gaps of 0.008 m between the ends of the rails. The rails are 20m long. Coefficient of thermal expansion is 11.25 x 106/°C. Modulus of elasticity = 200000 MPa. Which of thefollowing gives the actual deformation of the rails that will result from a temp. of 65°C?%3DSelect one:O a. 0.0124 mO b. 0.0214 mO c. 0.0142 mO d. 0.0022 m A railroad track is laid at a temperature of 10°C with gaps of 0.008 m between the ends of the rails. The railsare 20 m long. Coefficient of thermal expansion is 11.25 x 106/°C. Modulus of elasticity = 200000 MPa. Which of thefollowing gives the thermal stress if they are prevented from buckling?Select one:O a. 14 MPaO b. 22 MPaO c. 44 MPaO d. 12 MPaNext page

2. Given Change in temperature = 10oC Modulus of elasticity, E = 200000 MPa Solution…

A railroad track is laid at a temperature of 10°C with gaps of 0.008 m between the ends of the rails. The rails are 20 m long. Coefficient of thermal expansion is 11.25 x 10/°C. Modulus of elasticity = 200000 MPa. Which of the following gives the thermal stress if they are prevented from buckling?

A railroad track is laid at a temperature of 10°C with gaps of 0.008 m between the ends of the rails. The rails are 20 m long. Coefficient of thermal expansion is 11.25 x 10/°C. Modulus of elasticity = 200000 MPa. Which of the following gives the thermal stress if they are prevented from buckling?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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