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The gears are interchangeable if they have
  • a)
    the same module and pressure angle
  • b)
    the same module, pressure angle, addendums and dedendumes
  • c)
    the same module and thickness
  • d)
    the module, pressure angle, addendums, dedendums and same thickness
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The gears are interchangeable if they havea)the same module and pressu...
Interchangeability of Gears

Gears are mechanical components that transmit power and motion between two rotating shafts. Interchangeability of gears is an important aspect of gear design and manufacturing. Interchangeability ensures that gears can be easily replaced without the need for costly modifications or adjustments.

Factors affecting Interchangeability of Gears

There are several factors that affect the interchangeability of gears. These include:

1. Module - The module is the ratio of the pitch diameter to the number of teeth in a gear. Gears with the same module can be interchanged.

2. Pressure Angle - The pressure angle is the angle between the line of action and the tangent to the pitch circle of a gear. Gears with the same pressure angle can be interchanged.

3. Addendums and Dedendums - The addendum is the distance between the pitch circle and the top of the gear tooth. The dedendum is the distance between the pitch circle and the bottom of the gear tooth. Gears with the same addendums and dedendums can be interchanged.

4. Thickness - The thickness of the gears must also be the same to ensure interchangeability.

Therefore, the correct option for the given question is option 'D', which includes all the factors affecting the interchangeability of gears.
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