ASE H2 Transit Bus Diesel Engines Practice Test

The ASE H2 diesel engines 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

finish

 

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.

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