A timber beam of 100 mm width and 200 mm depth is reinforced with two steel plates of 100 mm width and 5 mm thickness as shown in figures. Which one of the following statements is correct for the same value of bending stress in the timber ?-A-Moment of resistance in figure I will be more than that in figure IIB-Moment of resistance in figure II will be more than that in figure IC-Moment of resistance in figure I will be equal to that in figure IID-No logical comparison can be made-A-Moment of resistance in figure I will be more than that in figure II

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APTITUDE CRACK · Accepted Answer

The correct option is  A Moment of resistance in figure I will be more than that in figure II The moment of resistance is proportional to the lever arm hence, in figure 1 steel plates are far away from the centre so the lever arm will be more.

UPSC Civil Service Exam Questions

Q1:
A timber beam of 100 mm width and 200 mm depth is reinforced with two steel plates of 100 mm width and 5 mm thickness as shown in figures.

Which one of the following statements is correct for the same value of bending stress in the timber ?

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Mcqs Questions

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UPSC Civil Service Exam Questions

Q1: A timber beam of 100 mm width and 200 mm depth is reinforced with two steel plates of 100 mm width and 5 mm thickness as shown in figures. Which one of the following statements is correct for the same value of bending stress in the timber ?

Solution

For help Students Orientation Mcqs Questions

Q1:
A timber beam of 100 mm width and 200 mm depth is reinforced with two steel plates of 100 mm width and 5 mm thickness as shown in figures.

Which one of the following statements is correct for the same value of bending stress in the timber ?

For help Students Orientation
Mcqs Questions