Why is straightening of copper tube needed? 

This question was previously asked in
RRB ALP Instrument Mechanic 23 Jan 2019 Official Paper (Shift 1)
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  1. To increase the fluid pressure 
  2. To avoid corrosion
  3. To decrease the fluid pressure
  4. To make the outer look good

Answer (Detailed Solution Below)

Option 1 : To increase the fluid pressure 
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Detailed Solution

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  • Straightening a copper tube helps to improve the flow characteristics of fluids through the tube.
  • When the tube is straightened, it reduces bends, kinks, and obstructions that can impede fluid flow.
  • This can result in increased fluid pressure, especially in systems where fluid flow resistance needs to be minimized.
  • It helps to maintain or improve the pressure by ensuring smoother and more efficient fluid flow.
  • When a tube is straightened, it reduces obstacles that can impede flow, such as bends and kinks.
  • This reduction in obstructions minimizes pressure drops along the length of the tube, allowing the fluid to maintain its pressure more effectively as it flows through the system.

Here, option 1 is correct.

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