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The bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected to
- a)shear force and bending moment
- b)axial force
- c)torsion and bending moment
- d)torsion
Correct answer is option 'A'. Can you explain this answer?
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The bolts in a rigid flanged coupling connecting two shafts transmitti...
Answer:
The bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected to shear force and bending moment. This can be explained as follows:
Shear force:
When two shafts are transmitting power, they are subjected to forces that tend to move them in opposite directions. This causes a shear force to act on the bolts of the flanged coupling that connects the two shafts. The shear force is a transverse force that acts perpendicular to the longitudinal axis of the bolt.
Bending moment:
Apart from the shear force, the bolts in a flanged coupling are also subjected to a bending moment. This happens because the flanges on both sides of the coupling are rigidly connected to the shafts. When the shafts are subjected to torque, the flanges also rotate. This causes a bending moment to act on the bolts that connect the flanges to the shafts. The bending moment is a force that tends to bend the bolt about its longitudinal axis.
Conclusion:
Hence, due to the combined action of shear force and bending moment, the bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected to high stresses. It is important to ensure that the bolts are designed to withstand these stresses to avoid failure of the coupling.
The bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected to shear force and bending moment. This can be explained as follows:
Shear force:
When two shafts are transmitting power, they are subjected to forces that tend to move them in opposite directions. This causes a shear force to act on the bolts of the flanged coupling that connects the two shafts. The shear force is a transverse force that acts perpendicular to the longitudinal axis of the bolt.
Bending moment:
Apart from the shear force, the bolts in a flanged coupling are also subjected to a bending moment. This happens because the flanges on both sides of the coupling are rigidly connected to the shafts. When the shafts are subjected to torque, the flanges also rotate. This causes a bending moment to act on the bolts that connect the flanges to the shafts. The bending moment is a force that tends to bend the bolt about its longitudinal axis.
Conclusion:
Hence, due to the combined action of shear force and bending moment, the bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected to high stresses. It is important to ensure that the bolts are designed to withstand these stresses to avoid failure of the coupling.
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The bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected toa)shear force and bending momentb)axial forcec)torsion and bending momentd)torsionCorrect answer is option 'A'. Can you explain this answer?
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