E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / NABTEB Motor Vehicle Mechanics Practice Questions - NABTEB Motor Vehicle Mechanics Work (NTC), Nigeria Exam / Question 135410
Practice question

Which precision measuring instrument is specifically designed to measure internal cylinder bore taper and out-of-roundness?

  1. A thread pitch gauge
  2. A cylinder dial bore gauge
  3. An outside micrometer
  4. A dial indicator with magnetic base

Answer: B — A cylinder dial bore gauge

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

Practice more: NABTEB Motor Vehicle Mechanics Practice Questions - NABTEB Motor Vehicle Mechanics Work (NTC), Nigeria 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.