Medium-Heavy Truck Certifications Flashcards
7 cards from real ASE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Medium-Heavy Truck Certifications flashcards as text
Which ASE Medium/Heavy Truck test covers diesel engine fuel and air induction systems?
Answer: T2
Test T2 covers diesel engines, including fuel, air induction, and exhaust systems.
A technician must earn which credential to become an ASE Master Medium/Heavy Truck Technician?
Answer: Pass T1 through T8
Master Medium/Heavy Truck status requires passing all eight tests, T1 through T8.
What is the primary purpose of a diesel engine's EGR system?
Answer: Reduce NOx emissions
Exhaust gas recirculation lowers combustion temperature to reduce nitrogen oxide formation.
On an air brake system, what component stores compressed air for service braking?
Answer: Reservoir tank
Reservoir tanks hold the compressed air supply used to apply the brakes.
Which test in the truck series addresses Electrical/Electronic Systems?
Answer: T6
Test T6 covers electrical and electronic systems on medium/heavy trucks.
A driver reports the air dryer is cycling constantly. What is the most likely cause?
Answer: A leaking air system
Constant compressor cycling and air dryer purging usually indicate an air leak depleting system pressure.
What does the governor control on a truck air brake system?
Answer: Compressor cut-in and cut-out pressure
The governor regulates the pressure at which the compressor loads and unloads.