Combination Test
Combination Test
معاينة الاختبار: 10 أسئلة نموذجية.
- What is the most important thing to do to prevent a rollover?
- What is the "crack-the-whip" effect?
- Which trailer is most likely to turn over due to the crack-the-whip effect?
- Why must you steer gently and smoothly when pulling trailers?
- What is off-tracking (or cheating)?
- Which type of vehicle has the most off-tracking?
- When backing a tractor-trailer, how do you steer to make the trailer go to the left?
- What is a trailer jackknife?
- How do you stop a trailer skid (jackknife)?
- What does the trailer air supply control (yellow knob) do?
