Heavy Duty Truck Systems – Chapter 1 – Introduction to Servicing Heavy-Duty Trucks – Lecture
Summary & Practice Questions
Which of the following is a correct definition of gross vehicle weight? - ANS ✔✔c) The maximum
allowable weight of a vehicle plus its cargo
How many major OEMs manufacture Class 8 trucks for the North American market? - ANS ✔✔c)
Four
Which classification group of highway trucks would be called "heavy duty"? - ANS ✔✔d) Class 7
and 8
What is the GVW range of a Class 6 truck? - ANS ✔✔b) 19,501 to 26,000 pounds (8,846-11,793
kg)
What is the GVW range of a Class 8 truck? - ANS ✔✔d) Over 33,001 pounds
What is used to power most heavy-duty trucks on our highways? - ANS ✔✔d) Computer-
controlled diesel engines
A truck equipped with six wheels, four of which are driven, would be classified as: - ANS ✔✔d) 6
x4
What is used to provide steering power assist in most heavy-duty highway truck systems? - ANS
✔✔b) Hydraulic pump
What do fully automatic transmissions use to transmit drivetrain torque? - ANS ✔✔a) Planetary
gearsets
Summary & Practice Questions
Which of the following is a correct definition of gross vehicle weight? - ANS ✔✔c) The maximum
allowable weight of a vehicle plus its cargo
How many major OEMs manufacture Class 8 trucks for the North American market? - ANS ✔✔c)
Four
Which classification group of highway trucks would be called "heavy duty"? - ANS ✔✔d) Class 7
and 8
What is the GVW range of a Class 6 truck? - ANS ✔✔b) 19,501 to 26,000 pounds (8,846-11,793
kg)
What is the GVW range of a Class 8 truck? - ANS ✔✔d) Over 33,001 pounds
What is used to power most heavy-duty trucks on our highways? - ANS ✔✔d) Computer-
controlled diesel engines
A truck equipped with six wheels, four of which are driven, would be classified as: - ANS ✔✔d) 6
x4
What is used to provide steering power assist in most heavy-duty highway truck systems? - ANS
✔✔b) Hydraulic pump
What do fully automatic transmissions use to transmit drivetrain torque? - ANS ✔✔a) Planetary
gearsets
