How to Get a Job For Project Managers

Learn how to write resume and interview

Leadership for Project Managers

Learn how to lead and drive project success.

Project Management Bootcamp

From a beginner to project management professional.

Agile Project Management and SCRUM with AI

Learn to run Scrum and Agile with AI.

Specification Limits

The allowable range around the process mean on a control chart that represents the customer's required performance for a product or service. This requirement-based band can be wider or narrower than the statistical control limits.

Key Points

  • Set by the customer, contract, or standard and expressed as LSL (lower specification limit) and USL (upper specification limit).
  • Different from control limits, which are calculated from process variation and show statistical control.
  • May be tighter or looser than control limits; a process can be in control yet still produce outputs outside specs, or vice versa.
  • Used in capability analysis (e.g., Cp, Cpk) to judge whether the process can consistently meet requirements.

Example

A machining process targets a 10.00 mm shaft diameter. The customer specifies 9.95 mm (LSL) to 10.05 mm (USL) as acceptable. The control chart shows the process mean at 10.00 mm with control limits based on natural variation at 9.92 mm and 10.08 mm. Even if the process is stable (within control limits), parts between 10.05 mm and 10.08 mm are out of spec and must be reworked or rejected.

PMP Example Question

Which statement best describes specification limits in quality management?

  1. The statistically computed boundaries (about +/-3 sigma) that indicate expected process variation.
  2. The customer-defined tolerance band that determines which outcomes are acceptable (LSL and USL).
  3. The approved range of the project budget variance allowed by the sponsor.
  4. The set of thresholds used to categorize risks on a probability-impact matrix.

Correct Answer: B — Customer-defined tolerance band (USL and LSL)

Explanation: Specification limits reflect customer or standard requirements, while control limits reflect process behavior based on statistical variation.

How To Land the Job and Interview for Project Managers Course

Take the next big step in your project management career with HK School of Management. Whether you're breaking into the field or aiming for your dream job, this course gives you the tools to stand out, impress in interviews, and secure the role you deserve.

This isn’t just another job-hunting guide—it’s a tailored roadmap for project managers. You’ll craft winning resumes, tackle tough interview questions, and plan your first 90 days with confidence. Our hands-on approach includes real-world examples, AI-powered resume hacks, and interactive exercises to sharpen your skills.

You'll navigate the hiring process like a pro, with expert insights on personal branding, salary negotiation, and career growth strategies. Plus, downloadable templates and step-by-step guidance ensure you're always prepared.

Learn from seasoned professionals and join a community of ambitious project managers. Ready to land your ideal job and thrive in your career? Enroll now and take control of your future!



Launch your career!

HK School of Management delivers top-tier training in Project Management, Job Search Strategies, and Career Growth. For the price of a lunch, you’ll gain expert insights into landing your dream PM role, mastering interviews, and negotiating like a pro. With a 30-day money-back guarantee, there’s zero risk—just a clear path to success!

Learn More