If the diameter of a schedule 40 pipe is 1/2 inch less than a schedule 80 pipe, what would be the diameter of the schedule 40 pipe if the schedule 80 pipe is 3 inches?

To determine the diameter of the schedule 40 pipe, we start with the information provided about the schedule 80 pipe, which has a diameter of 3 inches. According to the question, the diameter of the schedule 40 pipe is 1/2 inch less than that of the schedule 80 pipe.

Thus, we perform the calculation:

Diameter of schedule 40 pipe = Diameter of schedule 80 pipe - 1/2 inch

Diameter of schedule 40 pipe = 3 inches - 0.5 inches = 2.5 inches

While the selection indicates that 2 inches is the chosen answer, this does not fully align with the calculation. However, if we take a closer look at the relationships and what the diameter of other schedule pipes are, indeed 2.5 inches should be the most accurate representation of the diameter of schedule 40 in this scenario if following the correct calculation.

In summary, the diameter of the schedule 40 pipe compared to the schedule 80 pipe indicates that it is indeed 2.5 inches, hence the logical understanding for identifying this relationship is key in tackling problems regarding pipe specifications and comparisons.