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These 10 free MET questions are organized by exam domain, so you can see how each part of the Mechanical and Electronic Torque Certification blueprint is tested. Reveal the answer and explanation under each question.
In a U.S. machine shop, a press is electrically locked out and a start attempt produces no motion. Its raised platen is still supported only by trapped hydraulic pressure. A technician must reach beneath it to torque mounting bolts. Before that access is permitted, what must be established?
Correct answer: C - The platen is mechanically secured and hazardous stored energy is controlled and verified.
A replacement bolt reaches the specified 25 N·m, yet the gearbox bracket remains loose. Its diameter, pitch, and strength class are correct, but it is longer than the specified bolt. It turned freely during installation. Removal reveals undamaged threads and a fresh contact mark on the bolt tip. What accounts for the torque rise without clamping?
Correct answer: A - Bottoming in the blind hole before the head can clamp the bracket.
On an SAE J429 hex bolt, which head marking identifies Grade 8 rather than Grade 5? Do not count the manufacturer's identification symbol.
Correct answer: D - Six radial grade lines.
An assembly instruction specifies lubricated bolts. An audit finds low clamp load despite correct recorded torque, and the wrench passes its checks. On a Skidmore-Wilhelm bolt-tension tester, dry bolts from the line reproduce the low load; matched bolts prepared with the specified lubricant reach the required load. Which change directly addresses the demonstrated cause?
Correct answer: B - Restore the specified fastener preparation, then verify the assembly process.
Access to a manifold fastener requires an approved crowfoot extending inline beyond the wrench drive, away from the hand. The drive-to-fastener offset is 90 mm; drive-center-to-grip-center length is 360 mm. The operator pulls perpendicular to the handle at that grip center. The wrench has no electronic adapter compensation and a 40-200 N·m working range. What setting delivers the specified 120 N·m at the fastener?
Correct answer: B - 96 N·m
A reference fixture applies 50.0 N·m to an electronic wrench on three successive checks. The wrench indicates 52.4, 52.5, and 52.4 N·m. For this check, each indication must lie between 49.0 and 51.0 N·m. The reference and setup have been verified. What do the results demonstrate?
Correct answer: A - Closely grouped readings at this point, with a consistent high indication bias.
A click wrench set to 80 N·m is being checked on a Snap-on DTT tester in Peak Hold mode. The recorded trace reaches 79.6 N·m, drops as the wrench clicks, then rises to 86 N·m because the operator keeps pulling. The tester retains 86 N·m. How should the release-point check be corrected?
Correct answer: D - Select Click Adjust (First Peak) mode and repeat the release-point check.
An undamaged CONTROLTECH Micro wrench, still within its calibration interval, is switched on while the operator holds light torque on its engaged socket. After the load is removed, the live display does not return to zero. No fastener has yet been tightened. What is the appropriate first response?
Correct answer: C - Re-zero the unloaded wrench on a stable surface.
A bearing inspection specifies 0.8-1.2 N·m of rolling torque after run-in; starting torque is excluded. Using a suitable calibrated dial wrench, the technician observes 2.0 N·m to start rotation and a steady 1.0 N·m through the prescribed continuous turn. The maximum pointer remains at 2.0 N·m. Which result belongs on the inspection record?
Correct answer: B - 1.0 N·m; the rolling-torque result meets the specified acceptance range.
While fastening an electronics enclosure, an assembler feels a preset cam-over torque screwdriver release after the screw seats. The bit stays fully engaged and the screw stops advancing, although the handle can move through the release mechanism. The screwdriver passed its check at the required 1.2 N·m immediately before use. How should this behavior be interpreted?
Correct answer: A - Normal torque-limiter action; this screw's tightening cycle is complete.
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