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Free utility test practice demos

A short taster of every section in the EEI batteries US utilities use — CAST, CAST-R, POSS, MASS and TECH. Each demo takes a few minutes and ends with your score. All items are original practice written from published descriptions of the sections, not real test content.

1. CAST and CAST-RStandard

   Graphic Arithmetic

   You work from printed exhibits and answer questions that need numbers taken off them. EEI describes the real section as based on two drawings; our runs use a mix of tables, charts and drawings. The arithmetic itself is everyday: adding, subtracting, scaling, percentages. The work is finding the right figures and not misreading a label or a scale.

   Start free demo · ~4 min →

2. CAST, CAST-R, POSS, MASS and TECHStandard

   Mechanical Concepts

   Simple pictures of mechanical arrangements with a short question: which gear turns which way, which pulley takes less effort, where the pressure is highest, which load is more stable. No formulas are needed and nothing is measured; it is about understanding how everyday mechanisms behave.

   Start free demo · ~3 min →

3. CAST, CAST-R, POSS and MASSStandard

   Reading for Comprehension

   You read passages of the kind of writing the job involves — procedures, safety rules, equipment descriptions, work instructions — and answer questions on each. The wrong options are usually true-sounding statements the passage does not actually support, so the discipline is answering from the text rather than from what you already know.

   Start free demo · ~5 min →

4. CAST, POSS and MASSStandard

   Mathematical Usage

   Short applied math: convert units, put numbers into a given formula, work out a rate, a percentage or an area. Individually the questions are easy. The section is built around speed, so the practice that matters is doing simple arithmetic quickly and cleanly.

   Start free demo · ~3 min →

5. CAST-RStandard

   Work Preferences Inventory

   A long questionnaire of statements about work — how you prefer to plan, cooperate, handle routine and deal with pressure — each answered on an agree-to-disagree scale. There are no right answers and nothing to revise; the point of practicing is the format, the pace and answering consistently rather than second-guessing.

   Start free demo · ~3 min →

6. POSSComplete

   Figural Reasoning

   Sequences and sets of abstract figures where something changes step by step — a shape rotates, a count grows, a shading alternates. You work out the rule and choose the figure that continues it or completes the relationship. No words, no numbers, and a very short clock.

   Start free demo · ~3 min →

7. MASSComplete

   Assembling Objects

   You are shown loose parts — shapes with connection points, or pieces of a cut-up figure — and several pictures of them assembled. Only one is a correct assembly; the others have a part flipped, rotated wrongly or joined at the wrong point. It is mental rotation and spatial visualization, the skill a fitter uses reading an exploded diagram.

   Start free demo · ~3 min →

8. TECHTECH

   Graphic Problem Solving

   Each question hangs off an illustration — a dimensioned drawing, a tank elevation, a route on a scaled sheet, a tower elevation, a chart — and asks a practical arithmetic question: a length, a volume, a cost, a time, a percentage. The arithmetic is everyday. The skill is picking the right figures off the picture and keeping track of units and scale.

   Start free demo · ~4 min →

9. TECHTECH

   Interpreting Diagrams

   You work from a map or diagram and its key: an equipment map on a lettered grid, a switching one-line with open and closed switches, a valve diagram, a floor plan of tagged equipment. Questions ask where something is, what state it is in, what is live or receiving flow, and what a code means. Nothing needs calculating; it is careful reading of symbols against a key.

   Start free demo · ~4 min →

10. TECHTECH

    Reasoning from Rules

    Two kinds of question. Rule sheets: a short list of if-then rules (route this sample, schedule that test, approve this request) and cases to decide by them, in order, using the first rule that fits. Logic networks: switches feed AND, OR, NOT and ONE boxes that light a lamp; you work out what is on, which switch matters, and which box has failed from a set of test readings.

    Start free demo · ~4 min →