E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / NS Air Brake Test Practice Questions - Nova Scotia Air Brake Endorsement Knowledge Test Exam / Question 153775
Practice question

At about what pressure is the air brake safety valve normally set to open?

  1. 55 psi
  2. 80 psi
  3. 115 psi
  4. 150 psi

Answer: D — 150 psi

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

Practice more: NS Air Brake Test Practice Questions - Nova Scotia Air Brake Endorsement Knowledge 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.