Answer :
Final answer:
Camshaft straightness is precisely measured using a dial indicator, which provides accurate deviations from straightness, making it essential for engine operation.
Explanation:
A dial indicator is used to measure the straightness of the camshaft. Due to its ability to precisely identify even minute variations in straightness along the camshaft's length, this device is recommended for these kinds of measurements.
In contrast to other instruments such as feeler gauges, bubble gauges, or outside micrometers, a dial indicator provides precise measurements in millimeters or thousandths of an inch, which is essential for making sure the camshaft in an engine runs correctly.
