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A four-bend saddle has been fabricated in a length of 1/2-inch RMC to go over an obstruction. Based on what you see in the photo, determine the position of Mark 4 to lay out this saddle using 22.5° bends. Allow for the conduit to be connected to a junction box using locknuts.

Note: The values calculated for this question may be used for additional questions. (Round the answer to the nearest eighth inch. Answer the question in the form of a decimal.)

Distance to Mark 4 = ?

Answer :

Final answer:

To determine the position of Mark 4 to lay out a four-bend saddle using 22.5° bends, the distance to Mark 4 needs to be calculated. The distance is 1 inch.

Explanation:

To determine the position of Mark 4 to lay out a four-bend saddle using 22.5° bends, we need to calculate the distance to Mark 4. A four-bend saddle can be divided into two bends on each side of the obstacle. Each bend is 22.5°. To find the position of Mark 4, we need to calculate the distance that each bend covers.

  1. First bend: The length of the first bend is equal to the height of the obstacle. In this case, the length of the first bend is 1/2 inch.
  2. Second bend: The length of the second bend is equal to the height of the obstacle minus the thickness of the conduit. In this case, the length is 1/2 inch - 1/2 inch = 0 inch.
  3. Third bend: The length of the third bend is equal to the height of the obstacle. In this case, the length is 1/2 inch.
  4. Fourth bend: The length of the fourth bend is equal to the height of the obstacle minus the thickness of the conduit. In this case, the length is 1/2 inch - 1/2 inch = 0 inch.

To calculate the distance to Mark 4, we add up the lengths of the first and third bends: 1/2 inch + 1/2 inch = 1 inch. Therefore, the distance to Mark 4 is 1 inch.

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Rewritten by : Jeany