What is air seasoning for timber also called?

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RRB JE CE 22 Apr 2025 Shift 1 CBT 2 Official Paper
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  1. Natural seasoning
  2. Controlled seasoning
  3. Kiln seasoning
  4. Artificial seasoning

Answer (Detailed Solution Below)

Option 1 : Natural seasoning
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Explanation:

Air seasoning is also called natural seasoning because:

  • It involves drying timber naturally in the open air.

  • Timber is stacked in a way that allows air to circulate around it.

  • Moisture evaporates slowly, reducing the risk of cracks and warping.

Additional Information

Controlled Seasoning

  • This refers to seasoning done in a controlled environment—where temperature, humidity, and airflow are monitored.

  • It ensures faster and more uniform drying compared to natural methods.

  • Kiln seasoning is a type of controlled seasoning.

Kiln Seasoning

  • Timber is placed inside a kiln (a chamber) where heat and humidity are regulated.

  • It allows quick drying in just a few days, compared to months for natural seasoning.

  • Reduces chances of fungus, insects, or defects like warping and cracking.

  • It’s more expensive but gives better quality timber.

Artificial Seasoning

  • General term for any non-natural (non-air) seasoning method.

  • Includes:

    • Kiln seasoning

    • Chemical seasoning (using salt solutions)

    • Electrical or infrared seasoning

  • These methods are faster, more precise, and suitable for industrial use

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