Question

The approximate lot size fed to a Jet Dyeing machine

• A. 50–80 kg
• B. 60–90 kg
• C. 120–140 kg
• D. exactly 100 kg

Hint:

Correct loading ensures uniform dyeing and prevents rope marks in fabric.

Answer 1

The Correct Option is B

Concept: Jet dyeing machines are widely used for dyeing knitted and woven fabrics in rope form under high-speed liquor circulation. The fabric is continuously circulated inside the machine using a high-pressure jet system, ensuring uniform dye penetration and avoiding creases or shading.

Step 1: Understand machine working principle.
Fabric is loaded in rope form and circulated through a nozzle system. Proper circulation depends on correct fabric-to-liquor ratio and batch size.

Step 2: Importance of correct load.
If load is:
• Too high → poor circulation, uneven dyeing
• Too low → inefficient dyeing, high energy cost

Step 3: Standard industrial range.
Most jet dyeing machines operate efficiently in a medium batch range depending on fabric type and machine capacity.

Step 4: Final conclusion.
The commonly accepted approximate load is: \[ \boxed{60\text{–}90 \text{ kg}} \] Thus, \[ \boxed{\text{Option (B) is correct.}} \]