A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.The centroid of the "Equivalent timber beam" in this case from the tope surface-A-is 5 mmB-is 30 mmC-is 15 mmD-cannot be predicted-B-is 30 mm

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APTITUDE CRACK · Accepted Answer

B is 30 mm B is right. For equivalent timber beam , top of steel beam = 20 * 30=600 mm. From top Y = (A1Y1+A2Y2)/(A1+A2).

UPSC Civil Service Exam Questions - Engineering

A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.
The centroid of the "Equivalent timber beam" in this case from the tope surface

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UPSC Civil Service Exam Questions - Engineering

A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.The centroid of the "Equivalent timber beam" in this case from the tope surface

Solution

For help Students Orientation Mcqs Questions

A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.
The centroid of the "Equivalent timber beam" in this case from the tope surface

For help Students Orientation
Mcqs Questions