How long is the dMAT subject module and how many answer options does each question have?

You get a single block of 90 minutes to complete the entire Battery Science and Technology in Engineering subject module, and every question inside it gives you exactly 4 answer options with only one correct solution. That fixed format means your main challenge is pacing across the full passage, not second guessing option formats that keep changing.

Subject Module Timing and Format

How This Compares to the Core Module

• The Core Module runs three separate subtests of 25 minutes and 20 items each, so its pacing is much tighter per item than the subject module.
• Your subject module gives you more breathing room per question since 90 minutes covers a whole reading passage plus its questions, not a single fixed item count.
• Both modules share the same rule: no notes allowed, and you should never leave a question unanswered.

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My Advice

Before exam day, time yourself reading a dense technical passage and answering questions on it within a tight window, so 90 minutes stops feeling abstract and starts feeling like a number you can actually plan against. Build in a rough checkpoint, for example aiming to be halfway through the passage by the 45 minute mark, so you never end up rushing the final questions.