A coupling is a mechanical device that temporarily joins two rotating

1.	A coupling is a mechanical device that temporarily joins two rotating shafts to each other.
A.	True
B.	False
Answer» C.

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A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key.
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A machine started malfunctioning due to some issues with the coupling. The coupling emplaced in the machine was Oldham. The only coupling available in the workshop is Hooke‚Äö√Ñ√∂‚àö√ë‚àö¬•s coupling. So Oldham coupling can be replaced by Hooke‚Äö√Ñ√∂‚àö√ë‚àö¬•s coupling.$
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A coupling is a mechanical device that temporarily joins two rotating shafts to each other.

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