When inspecting valves from the valve body: Technician A says the edges of the spools should be damage-free but should not be sharp. Technician B says to identify a bent valve, install it into its bore and rotate it. If it binds or drags while it is being rotated, it is bent. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because the spools should not have any damage or sharp edges that could lead to leakage or poor performance. 
Technician B is also correct because a bent valve will bind or drag when rotated in its bore, indicating that it is not functioning properly. It is important to identify any bent valves to ensure proper valve operation in the system.

When Inspecting Valves from the Valve Body: Technician a Says