What is meant by the nominal width of a component?

What is meant by the nominal width of a component?

• A. Intended dimension plus tolerance
• B. The maximum allowed width
• C. The actual width measured
• D. The minimum width allowed

Answer: (A)

Nominal width is the reference size the design calls for, around which the allowable variation is defined by the tolerance. In practice, the nominal width is treated as the intended dimension plus the tolerance, giving the reference value used for planning, gauging, and stocking a part. The actual width can then vary within the limits set by that tolerance. For example, if the intended width is a certain value and the tolerance adds to it, the nominal width represents that reference value used to determine the acceptable range. The other descriptions refer to the actual measured size or to the extreme limits (maximum or minimum), rather than the standard reference size used in design.

Nominal width is the reference size the design calls for, around which the allowable variation is defined by the tolerance. In practice, the nominal width is treated as the intended dimension plus the tolerance, giving the reference value used for planning, gauging, and stocking a part. The actual width can then vary within the limits set by that tolerance. For example, if the intended width is a certain value and the tolerance adds to it, the nominal width represents that reference value used to determine the acceptable range. The other descriptions refer to the actual measured size or to the extreme limits (maximum or minimum), rather than the standard reference size used in design.