ASE Medium-Heavy Truck Certifications 2

Question 1

Which ASE Medium/Heavy Truck test covers diesel engine fuel and air induction systems?

Accepted Answer

T2

Answer

Test T2 covers diesel engines, including fuel, air induction, and exhaust systems.

Question 2

A technician must earn which credential to become an ASE Master Medium/Heavy Truck Technician?

Accepted Answer

Pass T1 through T8

Answer

Master Medium/Heavy Truck status requires passing all eight tests, T1 through T8.

Question 3

What is the primary purpose of a diesel engine's EGR system?

Accepted Answer

Reduce NOx emissions

Answer

Exhaust gas recirculation lowers combustion temperature to reduce nitrogen oxide formation.

Question 4

On an air brake system, what component stores compressed air for service braking?

Accepted Answer

Reservoir tank

Answer

Reservoir tanks hold the compressed air supply used to apply the brakes.

Question 5

Which test in the truck series addresses Electrical/Electronic Systems?

Accepted Answer

T6

Answer

Test T6 covers electrical and electronic systems on medium/heavy trucks.

ASE Practice Test