This ASE H2 diesel engines practice exam will test your knowledge of diagnosis and repair of general diesel engine issues. Find a mechanic school near you.
Results
You passed hey hey!
You did not pass but that’s what the study guide is linked for. 🙂
#1. An operator complains that a transit bus has excessive black smoke when started in the morning. Which of these could be the cause?
A sticking fuel injector nozzle is correct
#2. An operator complains that a transit bus will not crank. This could be caused by:
a bad starter solenoid is correct
#3. When the diesel engine in a transit bus reaches operating temperature, coolant flows out of the surge tank overflow tube. Technician A says that air in the cooling system could be the cause. Technician B says that a failed radiator pressure cap could be the cause. Who is right?
Both A and B is correct
#4. During a cold weather start-up, the oil filter ruptures, causing an oil leak. This could be caused by:
a stuck-closed oil filter bypass valve is correct
#5. A transit bus has had repeated serpentine belt failures. Which of these could be the cause?
Misaligned belt pulleys is correct
#6. Which of these can cause a no-start condition on a HEUI engine?
Low injection control pressure is correct
#7. A diesel engine with EUI has a misfire and the check engine light is ON. Fault code “cylinder 4 current below normal” is active. This could be caused by a:
broken #4 injector wire terminal is correct
#8. A transit bus has excessive engine oil consumption and an oil film on the back of the bus. All of these could be the cause EXCEPT:
a cracked cylinder liner is correct
Test your command of cylinder head and valve train, engine block overhaul, lubrication and cooling systems, air induction, exhaust systems and more.
Reference:
This is not an official test it is a practice test based on the official study guide. Use it for entertainment purposes only.