How to Study for Engineering Exams

To study for an engineering exam, spend most of your time solving problems, not rereading notes. Start practice problems early, work from the same formula sheet you will have in the exam, and switch to timed practice in the last week so speed and setup become automatic. Keep an error log: for every mistake, write what went wrong, why, and the rule that prevents it, then re-solve the problem a few days later. Take your stuck points to office hours while there is still time to fix them.

By Coplain Team

Last updated October 29, 2026

Step by step

Map what the exam covers — list the topics from the syllabus, lecture slides and any review sheet, and next to each one write the problem sets and examples that cover it. That list is your study plan. If you are planning the whole term, how to plan an engineering semester shows how to protect a buffer week before each exam.
Solve practice problems first — start with problems, not notes. Pick a problem for each topic, close the book and attempt it. Only go back to the notes when you get stuck, and then read just enough to get moving again. Struggling to recall a method is what builds the ability to recall it in the exam.
Work from the formula sheet you will use — if the exam allows a formula sheet or provides one, practice with exactly that sheet from the start. You learn where each equation sits, what its symbols mean and which assumptions come with it. If you write your own sheet, build it while you practice, adding only what you actually reached for.
Keep an error log — every time you get a problem wrong, write one entry: the problem, what you did, the actual error, why it happened, and a rule that would have caught it. Sort mistakes into types such as setup, sign convention, units and algebra. After a week the log shows which kind of mistake costs you the most points.
Switch to timed practice — in the last week, solve mixed problems under a time limit that matches the exam: divide the exam length by the number of problems you expect. Mixing topics forces you to recognize which method a problem needs, which is the skill an exam actually tests.
Take stuck points to office hours — go with specific questions: the problem number, how far you got and where it stopped making sense. Instructors and teaching assistants can help much more with a half-finished attempt than with “I don’t get chapter four”. Go early in the week, before the queue the day before the exam.
Re-solve from the error log — two or three days after a mistake, re-solve the original problem from a blank page without looking at the solution. If you get it right, mark the entry closed. If not, it stays open and comes back again before the exam.

Why rereading notes is not enough

Rereading feels productive because the material looks familiar. Familiarity is not the same as being able to produce a solution under pressure. Learning research summarized in books such as Make It Stick points to retrieval practice, spacing and mixing topics as more effective than rereading, and engineering exams reward exactly those skills: recalling a method, choosing it and executing it.

That is why problems come first. Notes are a reference you consult while solving, not the main event.

Getting more out of each practice problem

Do every problem the way you want to do it in the exam: write the given values, sketch the system, state the assumptions, then solve. In statics and dynamics that sketch is a free body diagram; in thermodynamics it is a system boundary with every energy transfer marked, as in the first law for closed systems.

When you finish, check the answer before looking at the solution. Are the units right? Is the sign sensible? Is the magnitude plausible? Calculators can help you check, not replace, your work: the beam deflection calculator is a quick way to confirm a hand calculation after you have done it.

Where to find practice problems

Use what your course gives you first: assigned and unassigned textbook problems, recitation worksheets, and any past exams the instructor has posted. The worked examples in the Learn lessons cover core methods in statics, mechanics of materials, thermodynamics and fluid mechanics, with every number stated. Use them to see the method, then cover the solution and try them yourself.

If you are preparing for the FE exam later, practice with the NCEES FE Reference Handbook from the start, since it is the reference you will have in the exam room. The same habit of working from one reference serves you in every course exam with a formula sheet.

Planning the last two weeks

Two weeks out, finish any problem sets due in that window early and start one problem-first session per topic. One week out, move to timed mixed practice and close the error log entries one by one. The night before, do a light review of the log and the formula sheet and sleep. A tracker such as the free engineering study planner has an exam countdown that shows when each review session should start.

Worked examples

Example: Example: one error-log entry

Course and problem: Mechanics of materials, practice problem 3 (an original problem, written for practice). A solid steel shaft carries a torque; find the maximum shear stress.
What I did: used τ = T·r / J with the shaft diameter in place of the radius.
The error: r should be the outer radius, half the diameter. Using the diameter doubled the stress.
Type: setup (wrong value substituted).
Why it happened: the problem gave a diameter and I did not convert it before substituting.
Rule: write every given in the symbol the formula uses before substituting, here r = d/2. See torsion of shafts.
Re-solve date: three days later, from a blank page. Status: closed after a correct re-solve.

Result: One line of rule (“convert givens to the formula’s symbols first”) now covers a whole class of setup mistakes, and the log shows whether it keeps happening.

Common mistakes

Rereading notes and slides as the main study method. Solve problems first and use the notes only when stuck.
Practicing with a different formula sheet than the exam allows. Use the exact sheet, or build your own sheet while you practice.
Checking the solution as soon as you get stuck. Give yourself a few minutes of real effort, then look up only the next step.
Practicing one topic at a time right up to the exam. Switch to timed, mixed problems in the final week so you practice choosing a method.
Fixing a mistake once and moving on. Log it and re-solve the problem from scratch a few days later.
Going to office hours only the day before the exam. Go early in the week with specific, half-solved problems.

Frequently asked questions

How early should I start studying for an engineering exam?

Start problem-first review about two weeks out for a midterm, with timed mixed practice in the final week. Keeping up with problem sets during the term matters more than any single cram session.

What should go in an error log?

The problem, what you did, the error, its type (setup, sign, units, algebra, concept), why it happened, a rule that prevents it and the date you will re-solve it.

Is it OK to use solution manuals?

Follow your course’s academic integrity policy. Where checking worked solutions is allowed, attempt the problem first and look only at the next step when stuck.

How do I practice for timed exams?

Divide the exam length by the number of problems you expect, then solve mixed problems at that pace with only the allowed formula sheet and calculator.

What should I bring to office hours?

A specific problem, your attempt so far and the step where you got stuck. That lets the instructor or teaching assistant find the gap quickly.

Sources

Make It Stick: The Science of Successful Learning, Peter C. Brown, Henry L. Roediger III and Mark A. McDaniel, Harvard University Press
A Mind for Numbers: How to Excel at Math and Science, Barbara Oakley, TarcherPerigee
FE Reference Handbook, NCEES