Understanding Inter-Measuring Micrometers

The question asks about the measurement capability of an "inter-measuring micrometer". While "inter-measuring" isn't a standard term, it most likely refers to an internal micrometer, also known as an inside micrometer. These tools are specifically designed for measuring internal dimensions.

An internal micrometer is used to measure the distance between two opposite points on an internal surface, such as the diameter of a bore, a hole, or the inside of a pipe.

Analyzing Measurement Options

Let's look at the given options and determine which type of measurement is performed by an internal micrometer:

• Outer diameter of pipes: The outer diameter of a pipe is measured using an outside micrometer or vernier caliper, which wraps around the external surface. An internal micrometer cannot perform this measurement.
• Outer diameter of ball bearing: Similar to the outer diameter of a pipe, the outer diameter of a ball bearing is an external measurement and requires an outside micrometer or caliper. An internal micrometer is not suitable for this.
• Head Surface Diameter: This term is quite general. If it refers to an external surface diameter, it would likely use an outside micrometer or caliper. If it refers to something internal or a specific type of "head surface", other specialized tools might be needed, but typically not a standard internal micrometer unless measuring an internal bore within a head.
• Inner diameter of pipes: This is precisely what an internal micrometer (or "inter-measuring micrometer" as per the question's likely intent) is designed to measure. It is used to find the distance across the internal space of the pipe.

Conclusion on Inter-Measuring Micrometer Use

Based on the function of what is commonly known as an internal or inside micrometer, the primary measurement it performs is the inner diameter of objects like pipes, bores, or holes.

Therefore, an inter-measuring micrometer can be used to measure the inner diameter of pipes.

Revision Table: Measurement Tools

Additional Information: Types of Internal Micrometers

Internal micrometers come in different types, each suited for various internal measurement tasks:

• Caliper Type: Looks somewhat like a vernier caliper but designed for internal measurements.
• Tubular Type: Uses interchangeable extension rods to measure a range of larger internal diameters.
• Three-Point Contact Type: Used for highly accurate measurements of bores, ensuring the tool is centered in the bore.

Regardless of the specific type, their core function is to accurately measure internal dimensions, making the measurement of the inner diameter of pipes a standard application.