10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
The NOCTI-AG-POWER-TECH exam has 40 questions and runs 0 hours 45 minutes.
These 10 free NOCTI-AG-POWER-TECH questions are organized by exam domain, so you can see how each part of the Agricultural Power and Technology End-of-Course Assessment blueprint is tested. Reveal the answer and explanation under each question.
Porosity appears in gas metal arc welds on clean steel brackets whenever gusts enter an open shop doorway. Gas flow at the torch meets the welding procedure, and welds made away from the doorway are sound. The wire and machine settings are unchanged. Which adjustment addresses the evidence without creating a new fume hazard?
Correct answer: A - Block the drafts while maintaining effective fume extraction.
A farm-based fuel process has produced an ethanol-water mixture by fermenting crop sugars. The next operation is ordinary distillation. What does this operation accomplish?
Correct answer: D - It increases ethanol concentration by separating the mixture.
A student wears cut-resistant gloves to carry a sharp-edged steel bracket to a manually fed drill press. The bracket and its vise are secured to the table, the chuck key has been removed, and the guard is in place. Eye protection and close-fitting clothing are being worn. How should hand protection change for drilling?
Correct answer: B - Remove the gloves before starting the spindle.
While a loader is being checked for a hydraulic leak, a pressurized jet strikes a worker's finger. After the machine is safely shut down and isolated, there is only a pinpoint skin puncture and little pain. What should happen next?
Correct answer: C - Obtain immediate emergency medical evaluation for possible fluid injection.
A negative-ground tractor's starter cranks slowly. During the prescribed cranking test, voltage across the battery posts stays within the service limit. A technician measures a 0.08-V drop from the positive battery post to the starter's supply terminal and a 1.30-V drop from the starter housing to the negative battery post. The manual permits no more than 0.20 V across either cable path. Where should the technician concentrate the next inspection?
Correct answer: C - The ground cable and its engine/frame connections
Two work lamps are wired in parallel to a constant 12-V supply. The right lamp goes dark while the left remains at normal brightness. The right branch fuse is intact. With power isolated and the right lamp disconnected, its filament measures open circuit. What will replacing it with an identical, serviceable lamp do?
Correct answer: A - Restore the right branch and increase total supply current.
Four rails, each 23-3/4 in long, must be cut from a 96-in bar whose ends are already square. Each rail will be separated by its own cut, leaving a remnant; each cut removes a 1/8-in kerf. A separate job can use a remnant only if it is at least 5/8 in long. Which inventory entry accurately describes the material left after cutting the rails?
Correct answer: D - 1/2 in remains; it is too short for the separate job.
A reduced photocopy of an approved shop plan still carries the original scale note. Measuring a post spacing on that copy gives a result that disagrees with its written dimension. The written spacing has been checked against the approved original and is correct. Which decision resolves the discrepancy for layout?
Correct answer: B - Use the verified written dimension from the approved plan.
Concrete delivered for an equipment pad has a measured slump of 75 mm. The project permits 50-100 mm, and all other fresh-concrete acceptance checks pass. A supervisor must decide whether to place the concrete and whether the slump result establishes its strength. Which conclusion is justified?
Correct answer: C - Accept it for placement; slump alone does not verify strength.
An equipment-shed design uses a symmetric, three-member triangular roof truss. One lower corner has a pin support; the other rests on a roller on a horizontal surface. A downward load acts at the ridge joint. Treat all joints as ideal pins and neglect member weight. Under this loading, what member-force pattern is expected?
Correct answer: B - The top chords are in compression; the bottom chord is in tension.
The full bank has 1,020 more NOCTI-AG-POWER-TECH questions with explanations.
Continue in the free practice test →
View plans