Answer :
To check the stem on a poppet-type valve for stretch, you would typically use a dial indicator (option a).
What may be used to check the stem on a poppet-type valve for stretch?
A dial indicator is a mechanical instrument used for measuring small linear distances or deflections. It consists of a plunger that makes contact with the object being measured and a dial or indicator that displays the measurement in a precise and readable manner. When checking the stem on a poppet-type valve for stretch, you would use a dial indicator to measure any elongation or deformation of the stem.
By using a dial indicator, engineers and technicians can precisely measure and monitor the condition of mechanical components like valve stems, ensuring they meet performance and safety standards. It's a valuable tool in quality control and maintenance processes.
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