E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / NJ CDL Combination Practice Questions - New Jersey CDL Combination Vehicles Test Exam / Question 147964
Practice question

During a New Jersey tractor-trailer empty trailer review, why can empty trailers skid more easily?

  1. Ignore it if the tractor feels normal
  2. Less traction makes wheel lockup easier
  3. Use the parking brake while moving
  4. Use only the trailer hand valve

Answer: B — Less traction makes wheel lockup easier

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

Practice more: NJ CDL Combination Practice Questions - New Jersey CDL Combination Vehicles Test Exam →
Learndmv.

Thoughtful practice for the road ahead. Find permit, road signs and CDL preparation by state.

Explore

Practice by stateAll practice testsExam types

Your account

My profilePractice historyAccount security

Get started

Create accountSign inSitemap
© 2026 LearndmvIndependent practice resource · Not affiliated with any state DMV.