The ASE H8 transit bus preventive maintenance & inspection practice (PMI) exam will test your knowledge of prevention and maintenance issues related to engine systems, bus body interior and exterior, electrical/electronic systems, frame and chassis. Find a mechanic school near you.
#1. When the driveline spline is being lubed, the PM technician should see grease coming out of the:
relief hole is correct
#2. During a PMI, coolant is found under the vehicle and the reservoir is low. The PMI technician should:
pressure-test the system to find a leak is correct
#3. When performing a load test on a multiple battery system, which of these operations should the PM technician perform first?
Isolate the batteries is correct
#4. Technician A says that if the compressor cutout pressure is too high, the air governor should be adjusted. Technician B says that if the difference between cutout and cut-in is excessive, the air governor should be adjusted. Who is right?
A only is correct
#5. During a PMI, the PM technician finds a green eye on each of the batteries. This indicates that the batteries are:
ready to be tested is correct
#6. During a PM inspection, excessive serpentine belt wear was detected. Technician A says that improper belt tension could be the cause. Technician B says that misaligned pulleys could be the cause. Who is right?
Both A and B
#7. Which air tank should be drained when testing the emergency spring brake valve?
Primary tank is correct
#8. When inspecting the wheels, the PM technician should check for all of these EXCEPT:
paint flaking from the rim is correct
This is not an official test, it is a mechanic practice test based on the official study guide. Use it for entertainment purposes only.