Prepare for the Automotive Service Technician Period 1 exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

In hydraulic systems, which component creates pressure by restricting flow?

In a hydraulic system, usable pressure is generated when the pump pushes fluid through a path that offers resistance. A restriction component, such as an orifice or metering valve, limits how much fluid can flow. That limitation causes the pressure on the upstream side to rise as the pump tries to push fluid through, producing the hydraulic pressure needed to do work downstream. The reservoir mainly stores fluid and doesn’t generate pressure; a check valve controls direction but doesn’t create sustained pressure by itself; a filter cleans fluid and mainly affects flow cleanliness, not pressure creation.

In a hydraulic system, usable pressure is generated when the pump pushes fluid through a path that offers resistance. A restriction component, such as an orifice or metering valve, limits how much fluid can flow. That limitation causes the pressure on the upstream side to rise as the pump tries to push fluid through, producing the hydraulic pressure needed to do work downstream. The reservoir mainly stores fluid and doesn’t generate pressure; a check valve controls direction but doesn’t create sustained pressure by itself; a filter cleans fluid and mainly affects flow cleanliness, not pressure creation.