Allied & ICAR Exam Bank • ALLIED_2824 NAT • 2 Marks

Section 2: Farm Machinery

Machine Design

Subtopic: Measurement of force, stress, torque, speed, displacement and acceleration on machine elements – shafts, couplings, keys, bearings and knuckle joints

Question Statement:

A solid shaft transmits torque $T$ and bending moment $M$. If $M = 300\text{ N}\cdot\text{m}$ and $T = 400\text{ N}\cdot\text{m}$, the equivalent twisting moment $T_e = \sqrt{M^2 + T^2}$ in $\text{N}\cdot\text{m}$ is:

Answer Key:

500

Step-by-Step Solution & Explanation

$T_e = \sqrt{300^2 + 400^2} = \sqrt{90000 + 160000} = 500\text{ N}\cdot\text{m}$.
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