Question 4 of 30
What is the pressure of the hydraulic oil in the return side after running the hydraulic motor?
Around 3 Bar
Around 10 bar
Around 15 bar
Above 15 bar **Correct answer : Around 3 Bar**
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Answer & Explanation
The correct answer is Option A: Around 3 Bar.
In a closed-loop hydraulic system, the return pressure must be kept low to ensure efficient operation of the hydraulic motor. A pressure of approximately 3 bar is standard for the return side of these systems.