Free MASS Practice Test %currentyear%: Exam Questions & Study Guide

Free MASS Practice Test : Exam Questions & Study Guide

MASS Practice Test professional taking the Maintenance Selection System exam

Get ready for your utility industry career with our MASS Practice Test resources. The EEI MASS Test (Maintenance Positions Selection System) is the industry standard assessment used by power companies to select candidates for maintenance jobs in fossil, hydro, and nuclear power plants. Passing the EEI MASS Test is crucial for securing a position as a mechanic, machinist, or electrician.

Our comprehensive MASS Exam guide covers all four test batteries: Assembly, Mechanical Concepts, Reading Comprehension, and Math. Use our free MASS exam questions to familiarize yourself with the format and improve your speed and accuracy for the real Maintenance Selection System assessment.

⏱️
4h
Time Limit
📝
80+
Questions
70%
Pass Rate
💵
Free
Exam Fee
📊
Index
Scoring
🖥️
Paper
Format
🔄
6mo
Retakes
🏢
EEI
Centers
📍
US
Based
🩺
No
Licensure
💻
Yes
Computer
🎓
HS
Degree

The MASS test is administered by individual utility companies. Your score on the MASS exam is often transferable between different utility companies that use the EEI testing standard, valid for several years.

Candidate studying with MASS practice test materials in a workshop setting

Free MASS Exam Questions

Start your preparation with our free MASS practice test modules. These quizzes cover the essential topics found on the real EEI MASS test.

MASS Exam Flashcards

Quick review for the Maintenance Positions Selection System

🧠
What does the MASS test measure?
The MASS test measures aptitude for power plant maintenance jobs like mechanics and electricians.
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🔧
What are the 4 main sections?
The four sections are Assembly, Mechanical Concepts, Reading Comprehension, and Math Usage.
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⏱️
How long is the MASS exam?
The total testing time is approximately 4 hours, including instructions and breaks.
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⚙️
What is Mechanical Concepts?
It tests understanding of basic mechanical principles like gears, pulleys, and levers.
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📖
Is reading comprehension hard?
It involves reading technical passages and answering questions to test information retention.
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🔢
Can I use a calculator?
No, calculators are generally not permitted on the MASS Math Usage section.
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MASS Exam Study Guide

This comprehensive MASS study guide helps you understand the key components of the EEI MASS test.

What is the MASS exam?The MASS exam (Maintenance Positions Selection System) is a standardized test used by utility companies to screen candidates for power plant maintenance roles.
Who takes the MASS test?Candidates applying for jobs like Power Plant Mechanic, Electrician, Instrument Technician, and other skilled maintenance positions take the MASS test.
Is the MASS test hard?The MASS test is challenging because it requires both speed and accuracy. Many candidates find the time limits to be the hardest part.
Who administers the MASS exam?The MASS exam is developed by the Edison Electric Institute (EEI) and administered by individual utility companies.
How many sections are on the MASS test?The MASS test has four main sections: Mechanical Concepts, Assembling Objects, Mathematical Usage, and Reading Comprehension.
How many questions are on the MASS exam?The MASS exam consists of approximately 80-100 questions depending on the specific version used by the utility.
What is the time limit for the MASS test?The total testing time is about 4 hours, but each section of the MASS test has a strict short time limit.
Is the MASS test multiple choice?Yes, the entire MASS test consists of multiple-choice questions.
How do I register for the MASS test?You cannot register independently. You must apply for a job at a utility company, and they will invite you to take the MASS test.
Where can I take the MASS test?The MASS test is typically taken at the utility company's testing center or a designated proctored location.
What is the MASS test cost?There is usually no cost to take the MASS test for job applicants; the potential employer covers the fee.
What are the MASS requirements?MASS requirements typically include a high school diploma or GED and meeting the job application criteria.
What is a passing score on the MASS test?The MASS test uses a cut score or index. You must meet the specific threshold set by the utility company to pass.
When do I get my MASS test results?MASS test results are usually provided by the employer within a few days to a week after testing.
How is the MASS exam scored?The MASS exam is scored based on the number of correct answers. There is no penalty for guessing, so answer every question.
Can I retake the MASS test?Yes, but there is usually a waiting period (often 3-6 months) before you can retake the MASS test.
What is the starting salary for MASS jobs?Entry-level maintenance positions requiring the MASS exam often start around $60,000 to $70,000 annually.
Do MASS certified jobs pay well?Yes, skilled trades in power generation are high-paying. Experienced workers passing the MASS test can earn over $100,000.
Does the MASS test affect salary?Passing the MASS test is a prerequisite for hiring, so it directly enables you to access high-paying utility jobs.
What benefits come with MASS jobs?Jobs requiring the MASS test typically offer strong benefits, including pensions, 401(k), and health insurance.

MASS Test Format

The MASS exam structure is designed to evaluate aptitude for maintenance work. The EEI MASS test includes four distinct test batteries.

🔧Mechanical ConceptsCore

Tests ability to understand mechanical principles.

GearsPulleysForcesGravity
  • Topics: Physics, machines, motion
  • Questions: ~44 Questions
🧩Assembling ObjectsVisual

Measures ability to visualize assembly of parts.

ShapesRotationAssembly
  • Topics: Visualizing connections
  • Questions: ~20 Questions
📐Mathematical UsageMath

Assesses basic math skills needed for maintenance.

AlgebraFormulasWord Problems
  • Topics: Basic math, conversions
  • Questions: ~18 Questions
📖Reading ComprehensionVerbal

Tests ability to read and understand technical text.

AnalysisDetailInference
  • Topics: Technical manuals, procedures
  • Questions: ~36 Questions
⏱️Time LimitsStrict

Each section has a very specific time limit.

SpeedAccuracyPacing
  • Topics: Time management
  • Questions: Short duration per section
📊Scoring IndexRating

Scores are converted into an index probability.

PercentileCut ScoreProbability
  • Topics: Pass/Fail criteria
  • Questions: Combined score
💡 Study Tip

The MASS exam penalizes incorrect answers in some versions, but generally, accuracy is key. Focus on getting questions right rather than rushing through and guessing blindly.

MASS Score Calculator

Estimate your MASS exam score based on practice performance.

Total Scored Questions: 100
0100
70 out of 100 correct
70%
✓ PASS
Required to Pass:~70%
Your Score:70 correct
Questions Wrong:30

MASS Salary Information

Passing the MASS test opens doors to high-paying skilled trade careers.

$82,000
Average Annual Salary
📊 Average Salary by Experience
$55k
Entry
$72k
Mid
$95k
Senior
$110k+
Lead
Entry
$55k
Mid
$72k
Senior
$95k
Lead
$110k+
*Salaries vary by location and utility company.
Experience LevelAnnual SalaryMonthly IncomeTypical Timeline
👶 Entry Level$55,000$4,5830-2 Years
👨‍🔧 Mid-Level$72,000$6,0002-5 Years
💼 Senior$95,000$7,9165-10 Years
🏗️ Master/Lead$110,000+$9,166+10+ Years
💰 Career Outlook

Jobs requiring the MASS exam are stable and in high demand. Power generation is an essential service, offering job security.

How to Become a MASS Tech

The path to a career requiring the EEI MASS test follows a standard process.

📝
Week 1
Apply
Submit Job App
📧
Week 3
Invite
Test Invitation
📚
Week 4
Study
Prepare for Test
🏆
Week 6
Exam
Take MASS Test
Registration Process
  1. Apply for a Job - Submit an application to a utility company for a position requiring the MASS test.
  2. Receive Invitation - If you meet qualifications, the company invites you to take the MASS exam.
  3. Schedule Exam - Choose a testing time at their facility or a proctored center.
  4. Prepare - Study using MASS practice test materials and study guides.
  5. Take Exam - Complete the MASS test on the scheduled day.
  6. Get Results - Results are usually Pass/Fail or an index score.
  7. Interview - Successful candidates proceed to the interview stage.

MASS Test Costs

Typically, the MASS exam is free for job applicants.

🆓
$0
Exam Fee
Paid by employer
📚
$20-$50
Study Materials
Books & guides
💻
$0-$100
Practice Tests
Online prep
🚗
Varies
Travel
To testing center
🏫
$0
Training
On-the-job
💰
~$50
Total Est.
Preparation only
💵 Investment

Since the utility company covers the MASS test fee, your only investment is in preparation materials to ensure you pass.

Engineering candidates taking the EEI MASS exam

MASS Career Opportunities

Passing the MASS test qualifies you for various skilled trades.

🔧
Plant Mechanic
Maintain and repair mechanical equipment in power plants. Requires strong MASS test scores in mechanical concepts.
Substation Electrician
Install and maintain electrical equipment in substations. A key role requiring MASS exam success.
💧
Hydro Station Operator
Operate and maintain hydroelectric power generation equipment. Often requires the EEI MASS test.
⚙️
Maintenance Machinist
Fabricate parts and repair machinery. High precision work requiring MASS aptitude test skills.
🏭
Gas Turbine Tech
Specialize in gas turbine maintenance. A high-demand field accessible via the MASS assessment.

MASS Testing Contacts

For official information, contact the EEI or your hiring utility.

🏢
EEI
Test Developer

Website: Edison Electric Institute

Services: MASS test standards

Contact: Via website

Utility Company
Test Administrator

Website: Your Employer

Services: Scheduling

Contact: HR Dept

📚
CEWD
Energy Workforce

Website: CEWD.org

Services: Career info

Contact: Online

🎓
Training Centers
Prep Providers

Website: Local colleges

Services: MASS prep

Contact: Local

ℹ️ Note

Always check with the specific utility company you are applying to for their exact MASS exam requirements and testing locations.

MASS Test Day Checklist

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MASS Renewal Requirements

Your MASS test results are typically valid for a specific period or until you leave the industry.

📅
Validity
Varies
🏢
Transferable
Yes
🔄
Retest
If Failed
✅ Test Once

Passing the MASS exam at one EEI-member utility often qualifies you at others, meaning you may not need to retest when changing jobs.

MASS Exam Questions and Answers

The MASS test (Maintenance Positions Selection System) is a standardized aptitude test used by the electric utility industry to select candidates for maintenance jobs.

Many candidates find the MASS test difficult due to the short time limits. Practicing speed and accuracy is essential for success.

The MASS exam typically contains about 80 to 100 questions across four sections: Assembly, Mechanical Concepts, Reading, and Math.

You can find MASS test prep near me through local community colleges partnering with utilities, or access our MASS practice test online from anywhere.

Each utility sets its own cut score for the MASS test. Generally, higher percentile rankings increase your chances of being hired.

No, calculators are typically not allowed on the MASS test math section, so you should practice manual calculations.

The MASS test is usually free for candidates, as the hiring utility company covers the administration costs.

Jobs like Power Plant Mechanic, Substation Electrician, and Instrument Technician often require passing the MASS exam.

Use a MASS study guide and take multiple MASS practice tests to familiarize yourself with the question types and time constraints.

MASS test results are often valid for several years and can be transferable to other EEI-member utility companies.

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