Aux 2 Unit 1 Quiz 3

Correct Answer:
B) Internal leakage within the pump’s pistons or cylinder block

Explanation:
Internal leakage due to worn pistons, seals, or the cylinder block can cause a loss of pressure and reduced efficiency, even when the external system appears intact.

Correct Answer:
B) Reduces the flow rate and system pressure

Explanation:
Internal leakage allows hydraulic fluid to bypass critical areas within the pump, reducing the overall pressure and flow output, which leads to performance reduction.

Correct Answer:
B) Damaged control mechanisms or wear in the pivot points

Explanation:
Worn or damaged control mechanisms and pivot points can prevent the swash plate from adjusting properly, leading to reduced displacement and flow rate.

Correct Answer:
B) Air bubbles compress under pressure, causing inconsistent fluid flow and reduced pressure

Explanation:
Air trapped in the hydraulic fluid compresses under pressure, leading to erratic performance, reduced system pressure, and decreased pump output.

Correct Answer:
C) It fails to adjust the swash plate properly, leading to erratic flow and pressure fluctuations

Explanation:
A damaged compensator valve can lead to improper control of the swash plate, causing inconsistent pressure and reduced system performance.

Correct Answer:
C) Cavitation noise and reduced efficiency

Explanation:
Air entrapment can cause cavitation, which produces a distinctive noise and reduces the efficiency and pressure of the pump.

Correct Answer:
B) By becoming jammed or not adjusting correctly due to wear or damage

Explanation:
If the swash plate does not adjust properly, it can limit the pistons' stroke length, leading to a lower volume of fluid displacement and reduced pump performance.

Correct Answer:
B) It regulates the swash plate angle to maintain a consistent system pressure

Explanation:
The compensator valve adjusts the swash plate angle to maintain desired pressure levels, ensuring that the pump varies its output as required by the system.