95
which gears are not used in intersecting axis
(A) . Spur gear
(B) . Bevel gear
(C) . Rack and Pinion
(D) . Helical gear
Choose the correct answer from the options given below:
EXPLANATION
Design of Crop Dryers & Aeration Systems
- Gear Axis Orientations in Mechanical Power Transmission:
- Intersecting Shaft Axes: Exclusively connected using bevel gears (straight bevel, spiral bevel, zerol bevel gears).
- Non-Intersecting Gears:
- Spur gears: Connect parallel shaft axes.
- Rack and pinion: Converts rotational motion into linear motion.
- Helical gears: Primarily connect parallel shaft axes (or crossed skew axes at right angles in crossed-helical gears).
- Conclusion: Gears not used for intersecting axes are (A), (C) and (D) only (Option 4).
Correct option: (4) (A), (C) and (D) only.
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