Mechanical reasoning
For ages 16 and up.
Gear direction and lever balance, computed fresh each time.Start the quiz Every kit
What it asks
- 6 gears mesh in a line. The first turns clockwise. Which way does gear 4 turn?Clockwise · AnticlockwiseEach meshing gear reverses the direction. From the first gear to gear 4 there are 3 reversals, so it turns anticlockwise.
- A lever has its pivot 4 m from a 90 N load and 12 m from the effort. What effort, in newtons, balances the load?Effort × 12 = 90 × 4, so effort = 30 N.
- 4 gears mesh in a line. The first turns anticlockwise. Which way does gear 3 turn?Clockwise · AnticlockwiseEach meshing gear reverses the direction. From the first gear to gear 3 there are 2 reversals, so it turns anticlockwise.
- Field
- Hiring and skills tests
- Level
- ages 16 and up
- Questions
- 10, fresh each time
- Shape
- Maths expression
- Made by
- rule, in code, no model
- Settings
- practice: answers at once, no security; set as an exam, a fresh set for each candidate and no retakes
About this kit.
Gear direction and lever balance, computed fresh each time.
What the hiring and skills tests kits are
The reasoning battery for candidates and employers: numerical, verbal, abstract, logical, mechanical and situational reasoning, data checking and engineering basics, every one made by rule so each candidate sees a fresh paper with the same mix of questions. And role kits for sales, software, nursing, accounting, customer service and more, written from the employer's own material.
Why they are built this way
A test that can be rehearsed measures rehearsal. The battery is made by rule, so there is no paper to leak and no bank to memorise; what it measures is the reasoning. The role kits and a test from your own product knowledge measure the knowledge the job needs. A score is a score on this test; EdProcto gives no IQ and claims no norm.
How to use them
For a candidate: practise the battery in study mode with the working shown, then timed. For an employer: paste the product knowledge and the criteria, or pick a role kit, send the test's code to each candidate, and read the results side by side.
Made by rule
This kit is made in code: every time it opens, the numbers, words or arrangements are drawn fresh from its rule, so the same kit taken twice is two different quizzes from one rule. There is no answer bank to find, and the practice never runs out. Each question carries its explanation, shown at once in study mode.
The shape: maths expression
An equation or expression typed and checked: algebra, calculus and any answer that is a formula rather than a number.
Expressions, numbers and single-form answers are marked by rule, with tolerances and half-credit tolerances where you set them. A typed expression or chemical equation is compared sign for sign, with spacing ignored, so each form you accept is listed, and a slip that would be forgiven in a word is never forgiven here; working and code are marked by a reader against your rubric, step by step.
Taking it
Open it in study mode for the answer and the explanation after each question, and a retry of only what you missed. Switch to exam mode for the real conditions. It comes due again in a few days; the dashboard shows what is due and what you missed last time. Share it with a code for a class, print it as a paper, or host it on a screen for a room.
Questions.
- What is in the Mechanical reasoning kit?
- 10 questions made by rule with fresh numbers every time it is opened, each with an explanation. Gear direction and lever balance, computed fresh each time.
- Does it cost anything?
- A free account opens every kit. Procto AI’s writing runs on a monthly allowance that the free plan includes; a children’s kit uses none of it, because its questions are made by rule.
- What happens after the quiz?
- The study screen shows the answer and the explanation after each question, then the questions missed, and offers a retry of those. Come back in a few days and take it again: what is still right then is what is known.
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