Which of the following is a critical factor in the installation and estimation of agricultural pumps and flourmills?

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  1. Ignoring the load characteristics to simplify the design
  2. Focusing only on the mechanical components of the system 
  3. Ensuring the system operates without any protective devices
  4. Calculating the power requirements and selecting appropriate protective devices

Answer (Detailed Solution Below)

Option 4 : Calculating the power requirements and selecting appropriate protective devices
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Detailed Solution

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The correct answer is option 4.

This is indeed the correct and most critical factor because:

  • Accurate power calculation ensures the system is appropriately sized and avoids overload. Protective devices (like circuit breakers, fuses, overload relays) are essential to prevent equipment damage and ensure safety.
  • Power calculations ensure the motor, cables, and supply system are appropriately sized.
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