Practice question

A tug test is performed by:

Setting trailer brakes and gently pulling forward in low gear
Driving at highway speed and braking hard
Lowering the landing gear while moving
Disconnecting the electrical cord

Answer: A — Setting trailer brakes and gently pulling forward in low gear

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: OR CDL Combination Practice Questions - Oregon CDL Combination Vehicles Test Exam →