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A Keyway on the Shaft Lowers
By BYJU'S Exam Prep
Updated on: September 25th, 2023
A keyway on the shaft lowers
A. The strength of the shaft
B. The rigidity of the shaft
C. Both the strength and rigidity of the shaft
D. The ductility of the shaft
Answer: C- Both the strength and rigidity of the shaft
A keyway on the shaft lowers both strength and rigidity of the shaft.
Solution:
A keyway is the slot machine on the rotating element. When a shaft has a keyway cut into it, stress is concentrated there, increasing the likelihood of the shaft failing. A keyway in the shaft causes a decrease in the shaft’s cross-sectional area, which results in a decrease in the shaft’s torsional strength. So it can be concluded that a keyway on the shaft lowers both strength and rigidity of the shaft.
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