IBEW Aptitude Test case studies
IBEW Aptitude Test · Put your knowledge to work in context.
The IBEW apprenticeship aptitude test, often called the Electrical Training Alliance aptitude test, is a screening step used by local JATC training centers for applicants seeking entry into electrical apprenticeship programs. This page is an independent study resource and is not affiliated with, endorsed by, or operated by the International Brotherhood of Electrical Workers, the National Electrical Contractors Association, or the electrical training ALLIANCE. The IBEW Aptitude Test case studies are 5 cases and about 2,966 words.
1Conduit Order Under a Per-Run Cutting Rule
Your crew is roughing in 14 identical home-run conduit runs of 3/4 in. EMT in a parking garage.
568 words, about 3 min2Generator Fuel Consumption With Two Rates
A rented 25-gallon diesel generator powers a jobsite trailer and two 480-volt welders. The rental company's fuel log gives consumption at three points: with no load the unit burns 0.4 gallons per hour; at 8 kW it burns 2.2 gallons per hour; at 12 kW, its rated maximum, it burns 3.4 gallons per hour.
588 words, about 3 min3Energized Work Permit on a Chiller Feeder
You are a first-year apprentice. Site memo ESWP-07, issued by your contractor, reads in part: 'Energized work on any circuit operating above 50 volts requires a written permit signed by the project superintendent and the safety manager.
612 words, about 3 min4Burial Depth: Spec, Submittal, and RFI
From Division 26, Section 26 05 33, paragraph 2.4: 'Direct-buried raceways beneath vehicle drive aisles shall have a minimum cover of 24 inches measured from the top of the raceway to finished grade.' From the approved submittal for the PVC conduit being supplied: 'Installation guide - minimum cover: 30 inches beneath driveways and parking areas; 18 inches where a 4-inch concrete slab is installed directly above the raceway.' From Division 01, Section 01 33 00, paragraph 1.3: 'Where the contract documents and an approved submittal differ, the more restrictive requirement governs. Substitutions require an approved RFI.' From RFI-22, answered 3 March: 'The concrete cap over the north drive aisle has been deleted by value engineering.
593 words, about 3 min5Setting a 900 lb Panel on a 3 ft Pad
A 900 lb electrical panel must be set on a concrete housekeeping pad 3 ft above grade. The only access is a 12 ft aluminum ramp running from the truck bed up to the pad, and the panel will ride on 2 in.
605 words, about 3 min