Question:
In which of the following, number of teeth decides the Noil % in Comber
In which of the following, number of teeth decides the Noil % in Comber
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In comber, ratchet teeth control feed length, which directly influences noil percentage.
Updated On: Jul 2, 2026
- Circular Bevel
- Worm Wheel
- Ratchet
- Helical gear
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The Correct Option is C
Solution and Explanation
Concept:
In a comber, the feed motion is controlled by a ratchet mechanism. The number of ratchet teeth determines the amount of feed given per cycle. Since feed length directly affects fibre selection, it also controls the noil percentage.
Step 1: Understand feed mechanism.
Comber feed is controlled in discrete steps using ratchet and pawl mechanism. \[ \text{Ratchet teeth} \Rightarrow \text{Feed length control} \]
Step 2: Relate feed to noil.
• More feed → less fibre removal → lower noil
• Less feed → more fibre removal → higher noil
Step 3: Identify correct component.
Only ratchet mechanism directly uses number of teeth to control motion.
Step 4: Final answer selection.
Thus, \[ \boxed{\text{Ratchet}} \] So, \[ \boxed{\text{Option (C) is correct.}} \]
Step 1: Understand feed mechanism.
Comber feed is controlled in discrete steps using ratchet and pawl mechanism. \[ \text{Ratchet teeth} \Rightarrow \text{Feed length control} \]
Step 2: Relate feed to noil.
• More feed → less fibre removal → lower noil
• Less feed → more fibre removal → higher noil
Step 3: Identify correct component.
Only ratchet mechanism directly uses number of teeth to control motion.
Step 4: Final answer selection.
Thus, \[ \boxed{\text{Ratchet}} \] So, \[ \boxed{\text{Option (C) is correct.}} \]
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