A coupling is a mechanical device that temporarily joins two rotating shafts to each other.

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Oldham coupling i used to connect two shafts having intersecting axes.

asked Jan 23 in Machine Design by Carter (86.7k points)

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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’s coupling. So Oldham coupling can be replaced by Hooke’s coupling.

asked Jan 23 in Machine Design by Carter (86.7k points)

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In distortion energy theorem, if a unit cube is subjected to biaxial stress, then S(yt) is given by which of the following?

asked Jan 23 in Machine Design by Carter (86.7k points)

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The region of safety for biaxial stresses is of which shape in the case of maximum distortion energy theorem.

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Distortion energy theorem is not recommended for ductile materials.

asked Jan 21 in Machine Design by Chris (48.2k points)

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Among maximum shear stress theory and distortion energy theory, which gives the higher value shear yield strength?

asked Jan 21 in Machine Design by Carter (86.7k points)

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If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the diameter of each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. Permissible tensile stress is 80N/mm².

asked Jan 22 in Machine Design by Carter (86.7k points)

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If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the tensile force on each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m.

asked Jan 21 in Machine Design by Chris (48.2k points)

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______ is used for a shaft that supports rotating elements like wheels, drums or rope sleaves.

asked Jan 23 in Machine Design by Carter (86.7k points)

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Does shaft has to be shifted i axial direction to remove clamp coupling.

asked 5 days ago in Machine Design by Carter (86.7k points)

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Find the shear stress in a flange at the junction of hub in rigid flanged coupling if torsional moment is 2980N-m and diameter of hub being 125mm. Also the thickness of flange is 25mm.

asked Jan 23 in Machine Design by Carter (86.7k points)

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Is it necessary for an axle to be ______ with respect to rotating element?

asked Jan 23 in Machine Design by Carter (86.7k points)

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Shafts are subjected to ______ forces.

asked Jan 23 in Machine Design by Carter (86.7k points)

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If shaft diameter is 40mm, calculate the diameter of sleeves in clamp coupling.

asked 3 days ago in Machine Design by Carter (86.7k points)

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Determine the diameter of the bolts used in rigid flange coupling if transmitted torque is 270N-m, pitch circle diameter=125mm and four bolts are emplace in the coupling. Permissible shear stress in the bolts is 70N/mm².

asked 5 days ago in Machine Design by Carter (86.7k points)

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If shaft diameter is 40mm, calculate the length of sleeves in clamp coupling.

asked Jan 21 in Machine Design by Chris (48.2k points)

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Which of the following act on shafts?

asked 3 days ago in Machine Design by Carter (86.7k points)

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Solid shafts are used in epicyclic gearboxes.

asked Jan 22 in Machine Design by Carter (86.7k points)

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The main advantage of sunk key is that it is a _____ drive.

asked 3 days ago in Machine Design by Carter (86.7k points)

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Determine the length of kennedy key required to transmit 1200N-m and allowable shear in the key is 40N/mm². The diameter of shaft and width of key can be taken as 40mm and 10mm respectively.

asked 5 days ago in Machine Design by Carter (86.7k points)

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Calculate the torque supplied to the shaft.

asked 5 days ago in Machine Design by Carter (86.7k points)

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According to ASME code, maximum allowable shear stress is taken as X% of yield strength or Y% of ultimate strength.

asked 5 days ago in Machine Design by Carter (86.7k points)

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A sunk key fits in the keyway of the _____ only.

asked 3 days ago in Machine Design by Carter (86.7k points)

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A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal.

asked 5 days ago in Machine Design by Carter (86.7k points)

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The hub is treated as a solid shaft while calculating torsional shear stress in the hub.

asked Jan 23 in Machine Design by Carter (86.7k points)

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