The ASE E3 Auxiliary Power Systems Installation & Repair Practice Test is meant to quiz your knowledge of hydraulic systems, mechanical system and pneumatic systems.
#1. Which of these is the correct hydraulic hose to install on the suction side of the hydraulic pump?
A one-spiral wire hydraulic hose is correct
#2. A cylinder head packing is leaking. Technician A says that nicks on the cylinder rod could be the cause. Technician B says that a rolled over V packing could be the cause. Who is right?
Neither A or B is correct
#3. A 3-way valve is used with:
a single acting cylinder is correct
#4. In the illustration shown, which of these is the piston seal?
y is correct
#5. A technician is selecting a hydraulic hose to replace a damaged suction hose. All of these should be considered EXCEPT
pressure relief setting of the hydraulic system is correct
#6. Small bits and pieces of rubber are found throughout a hydraulic system. Which of these is the LEAST likely source?
The pump shaft seal is correct
This is not an official test it is a practice test based on the official study guide. Use it for entertainment only.