CERTIFIED LUBRICATING GREASE SPECIALIST: (CLGS®)
- The exam consists of multiple choice, true/false, and short answer questions.
- There are 120 questions on the exam.
- A score of 80% or higher is required for a pass.
- There is a two-hour time limit for completion of the exam.
- Exam participation is available for any individual who has worked in the grease industry and has attained a high level of expertise in this field.
- NLGI strictly prohibits the sale or distribution of the test questions.