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Appropriate For New Applicants
Existing Employees
Comprehensiveness Intermediate
Administration Time - 30 min
Format mouse icon pencil icon
Scoring Options hand icon Internet icon
Language English
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Assesses: Boilermaker knowledge
Skill Level: Journey-level
Test Format: 121 Items, Multiple-choice
Language: English


The Boilermaker Test was developed to measure the technical skills required by job applicants or incumbents for jobs where technical knowledge of boilers is a necessary part of job activity. It can be used for both pre-hire selection or assessment of training needs.

The Boilermaker Test is a 121-item, multiple-choice test. Job analysis conducted during the development of this assessments revealed that applicable job titles include:

BOILERMAKER I (struct. metal) - Dictionary of Occupational Titles
BOILERMAKER II (struct. metal) - Dictionary of Occupational Titles

Content Areas:

• Piping & Plumbing
• Rigging
• Welding, Burning, and Fabricating
• Print Reading
• Pneumatics
• Furnaces, Boilers, & Heating Systems
• Mathematics
• Mechanical Maintenance
• Tools, Materials, & Equipment
• Towers & Reactors
• Heat Exchangers & Reboilers

Sample Question

What is the proper tool to use in driving a nail?

A. Claw hammer
B. Ballpeen hammer
C. Sledge hammer
D. Rubber mallet

O*NET™ Job Titles

Below are the O*NET job titles that were determined to be applicable to this test during the job analysis. Click the Job Title for more information about tasks performed, tools and technology used, job knowledge areas and abilities required, as well as related job titles.

This assessment is intended for use with jobs that are sufficiently related.


Construct, assemble, maintain, and repair stationary steam boilers and boiler house auxiliaries. Align structures or plate sections to assemble boiler frame tanks or vats, following blueprints. Work involves use of hand and power tools, plumb bobs, levels, wedges, dogs, or turnbuckles. Assist in testing assembled vessels. Direct cleaning of boilers and boiler furnaces. Inspect and repair boiler fittings, such as safety valves, regulators, automatic-control mechanisms, water columns, and auxiliary machines.

†O*NET™ is a trademark of the U.S. Department of Labor, Employment and Training Administration.

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