Free diagnostics

Find out where you stand before you start studying

Each diagnostic is a timed question set weighted the way the real exam is weighted. When you finish, you get your score, a breakdown by exam area and the topics to study first.

No account. Your progress is saved in this browser, so you can leave and come back.


Pick your exam

Nineteen diagnostics are live. More exams are on the way.

FE Civil diagnostic

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Forty questions across the NCEES knowledge areas, from statics and mechanics of materials to water resources and transportation. Bring your calculator and the FE Reference Handbook.

40 questions 120 minutes 13 knowledge areas NCEES weights

FE Mechanical diagnostic

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Thirty-nine questions across all 14 NCEES areas, from statics and dynamics through thermodynamics, fluid mechanics and machine design. Bring your calculator and the FE Reference Handbook.

39 questions 117 minutes 14 knowledge areas NCEES weights

FE Electrical and Computer diagnostic

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Forty questions across all 17 NCEES areas, from circuit analysis and electronics through power systems and digital logic. Bring your calculator and the FE Reference Handbook.

40 questions 120 minutes 17 knowledge areas NCEES weights

PE Civil Transportation diagnostic

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Twenty questions across eight of the ten NCEES areas, from traffic engineering and signal timing to pavement design and drainage. Bring your calculator and the PE Civil Reference Handbook.

20 questions 120 minutes 8 knowledge areas NCEES weights

PE Civil Water Resources diagnostic

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Twenty questions across ten of the twelve NCEES areas, from pipe and channel hydraulics to hydrology and water treatment. Bring your calculator and the PE Civil Reference Handbook.

20 questions 120 minutes 10 knowledge areas NCEES weights

PE Civil Structural diagnostic

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Twenty questions across all five NCEES areas, from loads and structural analysis to member design and foundations. Bring your calculator and the PE Civil Reference Handbook.

20 questions 120 minutes 5 knowledge areas NCEES weights

PE Civil Construction diagnostic

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Twenty questions across all eleven NCEES areas, from soil mechanics and excavation support to scheduling and temporary structures. Bring your calculator and the PE Civil Reference Handbook.

20 questions 120 minutes 11 knowledge areas NCEES weights

PE Electrical Power diagnostic

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Twenty questions across eight of the nine NCEES areas, from NEC code work and protection to circuit analysis and power devices. Bring your calculator and the PE Electrical and Computer Reference Handbook.

20 questions 120 minutes 8 knowledge areas NCEES weights

NCLEX-RN diagnostic

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Forty single-answer questions spread across all eight client needs categories in the NCSBN test plan, from management of care to physiological adaptation.

40 questions 80 minutes 8 client needs categories NCSBN weights

NCLEX-PN diagnostic

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Thirty single-answer questions spread across all eight client needs categories in the NCSBN PN test plan, from coordinated care to physiological adaptation.

30 questions 60 minutes 8 client needs categories NCSBN weights

USMLE Step 1 diagnostic

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One 60-minute block of 40 vignettes weighted by the official content outline. It covers every organ system plus biostatistics and general principles.

40 questions 60 minutes 11 systems USMLE outline weights

USMLE Step 2 CK diagnostic

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One timed block of 37 clinical vignettes weighted by the official content outline. Each one asks for the next step in management, the most likely diagnosis or the most appropriate test.

37 questions 56 minutes 13 systems USMLE outline weights

USMLE Step 3 diagnostic

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One timed block of 30 clinical vignettes across twelve of the fourteen systems in the official outline, with biostatistics and patient safety beside clinical management. The case simulations are left out.

30 questions 45 minutes 12 systems USMLE outline weights

Bar MBE diagnostic

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Three questions from each of the seven NCBE subjects, from civil procedure and evidence through real property and torts. Nothing is allowed in the room on the real exam, so work every fact pattern from the stem alone.

21 questions 38 minutes 7 subjects NCBE weights

PMP diagnostic

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Forty scenario questions weighted by the PMI July 2026 outline, from the People domain through Process and Business Environment. Every item asks what the project manager should do next in predictive, agile or hybrid work.

40 questions 53 minutes 3 domains PMI weights

LEED Green Associate diagnostic

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Sixteen questions across seven of the eight knowledge domains, from the LEED process and integrative planning through water, energy, materials and indoor environmental quality.

16 questions 19 minutes 7 knowledge domains GBCI weights

LEED AP BD+C diagnostic

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Twenty questions across seven of the eight LEED v5 knowledge domains, from the LEED process and integrative planning through energy, materials and indoor environmental quality.

20 questions 24 minutes 7 knowledge domains GBCI weights

Real Estate Salesperson diagnostic

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Thirty questions on the national portion of the salesperson exam, covering seven of the eight content areas from property ownership and agency to contracts and fair housing.

30 questions 60 minutes 7 content areas Pearson VUE weights

Real Estate Broker diagnostic

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Thirty questions on the national portion of the broker exam, covering seven of the eight content areas with brokerage management and trust accounts beside contracts and agency.

30 questions 60 minutes 7 content areas Pearson VUE weights

How a diagnostic works

  1. 1Answer the questions against the clock. The timer matches the pace of the real exam. You can skip and come back, and the progress grid shows what is still open.
  2. 2Get a score by area. The report shows your overall result, then each exam area with its weight on the real exam and how you did there.
  3. 3See what to study first. Areas where you missed the most questions and that carry the most weight are ranked at the top of the report.
  4. 4Read a worked solution for every question. Each one walks through the answer step by step and explains why the other choices fall short.

Questions

Are the diagnostic exams really free?

Yes. Each diagnostic is a public page with no sign-up and no payment. Your answers stay in your own browser.

How long does a diagnostic take?

FE Civil, FE Electrical and Computer, NCLEX-RN, USMLE Step 1 and PMP have 40 questions. FE Mechanical has 39, USMLE Step 2 CK has 37, NCLEX-PN, USMLE Step 3 and both real estate diagnostics have 30, Bar MBE has 21, the five PE diagnostics and LEED AP BD+C have 20, and LEED Green Associate has 16. FE Civil, FE Electrical and Computer and each PE diagnostic allow 120 minutes, FE Mechanical 117 minutes, NCLEX-RN 80 minutes, NCLEX-PN 60 minutes, USMLE Step 1 60 minutes, Step 2 CK 56 minutes, Step 3 45 minutes, Bar MBE 38 minutes, PMP 53 minutes, each real estate diagnostic 60 minutes, LEED AP BD+C 24 minutes and LEED Green Associate 19 minutes. Each limit follows the pace of the real exam, and the real estate pace is set inside the range state exams use.

What do I get at the end?

You get a score, a breakdown by exam area, the topics to study first and a worked solution for every question. You can also save the report as an image.

How were the answer keys checked?

Every key was worked by hand twice, independently of the question bank, and then checked once more in a separate review before the page went live.

Can I retake a diagnostic?

Yes. The report view has a reset that clears your saved answers and starts the same questions again with a fresh timer.

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