Virginia State Inspection Practice Test

What is the appropriate tool to use when checking for play in a ball joint?

1. A torque wrench

2. A dial indicator

3. A pressure gauge

4. An impact wrench

The correct answer is: A dial indicator

The appropriate tool for checking for play in a ball joint is a dial indicator. This tool is designed to measure small movements or variations with precision. In the context of a ball joint inspection, the dial indicator can accurately assess any play or looseness by measuring the distance that the ball joint moves when force is applied. This is crucial because excessive play can indicate wear and can affect the suspension system's performance and safety. Using a dial indicator allows the technician to obtain quantifiable measurements, making it easier to determine if the ball joint is within acceptable limits or if it needs to be replaced. The other tools listed serve different purposes; for example, a torque wrench is used for tightening fasteners to a specific torque, and a pressure gauge measures the pressure in a system. An impact wrench is typically used for loosening or tightening bolts with high torque, but it is not suited for precision measurements required in this situation.