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Engineering Interview Question Bank

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Curated, engineered and sequenced by the best. We’ve done the searching and planning, so you can spend your time solving.

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Questions that are
worth thinking through

Carefully selected, repurposed and engineered
to help you think further with every question.

The order matters.

Each question builds on what
you learned in the last.

Learn as you solve.

We’ve selected the questions and planned the order. You build your understanding with each problem, without deciding what to practise next.

The details that make
practice count.

EngineeringYour curriculum
MechanicsElectricityMathematics
01
Energy & motionFrom familiar ideas to unfamiliar problems
Conservation of energy
Draining a tank
3A changing flow
4One more assumption

Built from the interview backwards.

Recalled interview questions and recurring themes shape the curriculum, so your time goes towards the ideas that matter.

Do unloaded braces matter?

Worked solution
The same frame with DE, DC and DF highlighted and labelled zero for the original top load.
At joint EEE, members AEAEAE and ECECEC are collinear and there is no external load. Their forces have no component perpendicular to ACACAC. The non-collinear member DEDEDE must therefore carry zero force. The same argument at FFF gives zero force in DFDFDF.

Solutions that teach you how to think.

Understand why each step works, with intuition you can use when the next problem looks unfamiliar.

Worth another look
RevisitSaved
01
The battery at the edgeHints used · Try it independently
02
Draining a tankA follow-up to revisit
03
The lightest safe trussSolution viewed · Build it yourself
Back to your reasoning

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Save a problem or return to one you needed help with. Come back and see what you can now solve on your own.

Smart tracking

See what you can solve on your own, what needs another look, and where to go next.

Practice coverage

453 available

168/ 453

problems explored

6 of 6 topics started

37% explored100%
37%
Finished
156
In progress
12
Not started
285

Solve breakdown

Independent

75%

117 / 156

Independent: 117 of 156 finished problems (75%). Solved without hints or a revealed solution.

Your practice plan

A rank to
work towards.

Earn XP as you solve question-bank parts and complete assessed interviews. Climb from Bronze to Master and unlock new emblems.

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A note from our founder

I applied to Cambridge twice.
I got in the second time.

People say the interview is too unpredictable to prepare for. Yet many problems sit between school maths and physics and first-year engineering, drawing on ideas that come up repeatedly. My electricity supervisor even told me he has a favourite interview question.

Memorising solutions only gets you so far. You need to understand the reasoning well enough to use it when the problem changes.

So our team and I gathered and reworked questions into a sequence that builds in difficulty. Each helps you learn something you can use in the next.

Lab45 founder · Engineering, Cambridge

An olympiad eye.
On every question.

Designed and sequenced by Cambridge engineers, an IOAA gold medalist and a South Korean IMO national candidate, with TMUA 9.0 and ESAT 9.0 scorers.

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Statics and equilibrium · 15 questions, full solutions and progress tracking. No card. No expiry.

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Question Bank

A considered route through engineering problems.

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What’s included

  • Carefully sequenced engineering questions
  • Solutions that teach the reasoning
  • Hints to help you find your own way
  • Smart tracking and a personal practice plan

Question Bank + Mock Interviews

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Everything in Question Bank, plus

  • AI mock interviews for engineering
  • Practice explaining your approach aloud
  • Follow-up questions that take you further

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