HVAC Tools Practice Test

Tools are the largest part of the NATE Ready-to-Work exam at 32%, and 8 to 10% of the Support Technician and Core exams. Know what each tool does and when to use it.

Take the timed NATE Ready-to-Work mock exam

50 questions on the 90-minute clock, weighted like NATE’s Ready-to-Work outline, with a score for every area and an explanation for every option.

Or try the free tools drill
  • 36 original tools questions, every option explained
  • Tested on: NATE Core, NATE Ready-to-Work, NATE HVAC Support Technician
Free sample · Question 1 of 3Tools

What does a swaging tool do to copper tubing?

Choose the best answer

What our tools questions cover

  • Tubing tools: cutters, reamers, flaring and swaging tools, spring and lever benders
  • Refrigerant tools: manifold gauge colors, compound gauges, micron gauges, vacuum pumps, recovery machines, valve core tools
  • Electrical and air instruments: multimeters, clamp meters, megohmmeters, manometers, anemometers, infrared thermometers
  • Fabrication and sheet-metal tools: nut drivers, service wrenches, aviation snips, seamers, crimpers, taps and dies
  • Measuring tools and tolerances: levels, calipers, combination squares
Line drawing of HVAC hand tools on a tool roll: a tubing cutter, a flaring tool, a spring bender, a deburring tool, a service wrench and a two-gauge manifold set with three hoses

This list is our own summary, written for practice. NATE publishes the full topic lists in its Knowledge Areas of Technician Expertise (KATEs).

Drill tools, then sit the full NATE Ready-to-Work exam

Take the timed NATE Ready-to-Work mock exam

50 questions on the 90-minute clock, weighted like NATE’s Ready-to-Work outline, with a score for every area and an explanation for every option.

Or try the free tools drill

Ideas the questions test most

  1. Blue is the low side, red the high side and yellow the center hose on a manifold set.
  2. A vacuum pump removes air and moisture; a recovery machine removes refrigerant.
  3. Clamp around one conductor to read amps.
  4. Ream the burr after every tubing cut.
  5. Aviation snips: yellow cuts straight, red cuts left, green cuts right.

Start the free tools drill · NATE Core practice test · NATE Ready-to-Work practice test · NATE HVAC Support Technician practice test

Common questions

How many tool questions are on the NATE Ready-to-Work exam?

Tools are 32% of the Ready-to-Work exam, about 16 of its 50 questions. The KATE lists tool selection and tool identification.

Do the NATE Core and Support Technician exams test tools too?

Yes. Tools are 10% of the Core exam and 8% of the Support Technician exam, including basic measuring, fabrication tools and tubing tools.

Take the timed NATE Ready-to-Work mock exam

50 questions on the 90-minute clock, weighted like NATE’s Ready-to-Work outline, with a score for every area and an explanation for every option.

Or try the free tools drill

More HVAC topics

Exam format and outline checked November 2026 on natex.org: NATE: Ready-to-Work and HVAC Support Technician certificates · NATE Ready-to-Work KATE (PDF) · NATE HVAC Support Technician KATE (PDF) · NATE Core Exam KATE (PDF) · NATE: Frequently asked questions. NATE has not announced a change to this outline.

NATE is a mark of North American Technician Excellence, Inc. Game Assessment Prep is an independent practice site, not affiliated with or endorsed by NATE. Every question is original; none is taken from NATE exams, NATE study guides or another prep provider.