Which of the following beam will produce the constant bending moment over given span length(I)?
1 Answers
Option 3 :
Explanation:
Bending moment diagrams for different cases:
Option 1:
[ alt="SSC JE Mechanical 14 10Q 25th Jan Morning Part 3 Hindi - Final images Q5d" src="//storage.googleapis.com/tb-img/production/18/12/SSC%20JE%20Mechanical_14_10Q_25th%20Jan_Morning_Part_3_Hindi%20-%20Final_images_Q5d.PNG">
Option 2:[ alt="SSC JE Mechanical 14 10Q 25th Jan Morning Part 3 Hindi - Final images Q5e" src="//storage.googleapis.com/tb-img/production/18/12/SSC%20JE%20Mechanical_14_10Q_25th%20Jan_Morning_Part_3_Hindi%20-%20Final_images_Q5e.PNG">
Option 3:
[ alt="SSC JE Mechanical 14 10Q 25th Jan Morning Part 3 Hindi - Final images Q5f" src="//storage.googleapis.com/tb-img/production/18/12/SSC%20JE%20Mechanical_14_10Q_25th%20Jan_Morning_Part_3_Hindi%20-%20Final_images_Q5f.PNG">
Option 4:[ alt="SSC JE Mechanical 14 10Q 25th Jan Morning Part 3 Hindi - Final images Q5g" src="//storage.googleapis.com/tb-img/production/18/12/SSC%20JE%20Mechanical_14_10Q_25th%20Jan_Morning_Part_3_Hindi%20-%20Final_images_Q5g.PNG" style="width: 198px; height: 187px;">
Since option 3 has a constant bending moment along the span length 'l', ∴ it is the correct answer.
