308 HYDRAULIC TROUBLESHOOTING POST TEST WITH
CORRECT SOLUTIONS #13..
How should you troubleshoot an axial-piston pump with barrel blow off? - correct
answer Replace the wearing surfaces of barrel and plate.
Excessive wear and roughness in a gear pump are indications of? - correct answer
Solid contaminants.
Which type of hydraulic gear pump is used for booster circuits? - correct answer
Crescent
. It is good maintenance practice to replace which of the following when a hydraulic
pump is repaired? - correct answer Anti-friction bearings, gaskets and seals.
Which of the following is a sign of solid contaminants in a hydraulic pump? - correct
answer Pitted gears
A stack of hydraulic control valves held together by bolts is called? / reduces the
number of lines and fittings in a hydraulic system. - correct answer Manifold.
. Most industrial valves are ____ controlled by a ____. - correct answer Pneumatically;
actuator.
What is the function of a control valve in a hydraulic system? - correct answer Directs
fluid, regulates pressure and flow.
If a hydraulic system is to function properly, it must. - correct answer Have all
components installed correctly.
A blocked port hydraulic valve symbol valve symbol is indicated by a(n) ______ shaped
figure inside the envelope. - correct answer T symbol
. A schematic drawing with hollow arrows represents a(n) ______ system. - correct
answer Valve function.
Which of the following tells how directional control valves should always be
reassembled? - correct answer Carefully
What can always be safely used to clean hydraulic valve parts? - correct answer
System fluid.
After reassembling a repaired valve, the next step is to? - correct answer Test the valve.
Which of the following items affects hydraulic fluid viscosity the most? - correct answer
Temperature
CORRECT SOLUTIONS #13..
How should you troubleshoot an axial-piston pump with barrel blow off? - correct
answer Replace the wearing surfaces of barrel and plate.
Excessive wear and roughness in a gear pump are indications of? - correct answer
Solid contaminants.
Which type of hydraulic gear pump is used for booster circuits? - correct answer
Crescent
. It is good maintenance practice to replace which of the following when a hydraulic
pump is repaired? - correct answer Anti-friction bearings, gaskets and seals.
Which of the following is a sign of solid contaminants in a hydraulic pump? - correct
answer Pitted gears
A stack of hydraulic control valves held together by bolts is called? / reduces the
number of lines and fittings in a hydraulic system. - correct answer Manifold.
. Most industrial valves are ____ controlled by a ____. - correct answer Pneumatically;
actuator.
What is the function of a control valve in a hydraulic system? - correct answer Directs
fluid, regulates pressure and flow.
If a hydraulic system is to function properly, it must. - correct answer Have all
components installed correctly.
A blocked port hydraulic valve symbol valve symbol is indicated by a(n) ______ shaped
figure inside the envelope. - correct answer T symbol
. A schematic drawing with hollow arrows represents a(n) ______ system. - correct
answer Valve function.
Which of the following tells how directional control valves should always be
reassembled? - correct answer Carefully
What can always be safely used to clean hydraulic valve parts? - correct answer
System fluid.
After reassembling a repaired valve, the next step is to? - correct answer Test the valve.
Which of the following items affects hydraulic fluid viscosity the most? - correct answer
Temperature
