certified lube specialist exam
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Certified Lubrication Specialist (CLS) Exam Practice Test

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Welcome!

We have crafted this practice test to optimize your understanding of the CLS exam topics outlined by STLE as a requirement for getting the CLS certification.

Practice Test Topics

  • Lubrication Fundamentals
  • Fluid Conditioning
  • Storage, Handling and Application of Lubricants
  • Monitoring and Reducing Consumption of Lubricants

  • Gears
  • Bearings
  • Seals
  • Fluid Power
  • Lubricant Manufacturing
  • Pneumatics

  • Transportation Lubricants
  • Metalworking
  • Solvents and Cleaners
  • Problem Solving
  • Lubricant Analysis
  • Lubrication Programs

In this practice test, you are given:

15 practice tests – Each quiz consists of 20 questions. A correct answer attracts one point and wrong answer is given a zero. Your pass mark is set at 70%.

CLS Mock Exam 1 – In the exam, you are given 100 questions randomly selected from a set of 200 questions. You are given 2 hours to complete this exam. Your pass mark is set at 70%.

CLS Mock Exam 2 – In the exam, you are given 150 questions randomly selected from a set of 300 questions. You are given 2 hours to complete this exam. Your pass mark is set at 70%.

At the end of the quiz, you are given a prognosis of your strengths and weakness by categories. Based on the prognosis, you can improve your chances of success by reading on your weak subject areas.

Attain 1000 points to receive a 50% discount on your next course purchase. This can attained by sharing videos, liking, commenting, inviting friends and many more.

Let’s get started, good luck!

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