Thank you for visiting You are making a 20 stub up in 3 4 RMC and the bender deduct is listed as 8 Where do you make your first. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
To determine where to make the first mark on the conduit for a 20" stub-up when the bender deduct is 8", we need to follow these steps:
1. Understand the Problem: We need a 20-inch stub-up, which means the vertical height of the conduit after bending should be 20 inches. The bender deduct is 8 inches, which is the amount we need to subtract to position the mark properly for the bend.
2. Setup the Equation: The position of the first mark can be found by subtracting the bender deduct from the desired stub-up length. In other words:
[tex]\[
\text{First mark position} = \text{Stub-up length} - \text{Bender deduct}
\][/tex]
3. Substitute the Values:
[tex]\[
\text{First mark position} = 20" - 8"
\][/tex]
4. Perform the Subtraction:
[tex]\[
\text{First mark position} = 12"
\][/tex]
Therefore, you should make your first mark 12 inches from the end of the conduit. The correct choice is:
c. 12" from the end of the conduit
1. Understand the Problem: We need a 20-inch stub-up, which means the vertical height of the conduit after bending should be 20 inches. The bender deduct is 8 inches, which is the amount we need to subtract to position the mark properly for the bend.
2. Setup the Equation: The position of the first mark can be found by subtracting the bender deduct from the desired stub-up length. In other words:
[tex]\[
\text{First mark position} = \text{Stub-up length} - \text{Bender deduct}
\][/tex]
3. Substitute the Values:
[tex]\[
\text{First mark position} = 20" - 8"
\][/tex]
4. Perform the Subtraction:
[tex]\[
\text{First mark position} = 12"
\][/tex]
Therefore, you should make your first mark 12 inches from the end of the conduit. The correct choice is:
c. 12" from the end of the conduit
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