Plumbing NC I study guide
Plumbing NC I · Work through your exam, one topic at a time.
The Plumbing NC I is a national certificate in the Philippines, awarded through the Technical Education and Skills Development Authority (TESDA) system, that recognizes entry-level competence in plumbing work. It is intended for individuals seeking employment as plumbing assistants, maintenance helpers, or trainees on residential, commercial, and light industrial projects. The Plumbing NC I study guide has 7 sections and about 2,489 words.
01Workplace Communication and OHS Practices
This domain tests how a Plumbing NC I candidate receives instructions, reports hazards and work status, and applies occupational health and safety on a plumbing job. Questions often combine a site scenario with a communication or hazard-control decision.
373 words, about 2 min02Use of Hand Tools, Power Tools, and Plumbing Equipment
This domain checks whether you can select, inspect and use plumbing tools safely and correctly. Exam items often show a task and ask for the right tool, the safe procedure or the consequence of a common misuse.
391 words, about 2 min03Interpretation of Plumbing Plans, Drawings, and Specifications
This domain tests your ability to extract dimensions, levels, materials and installation requirements from plumbing drawings and the project specification. Exam questions often give a drawing note or a scale and ask for the required pipe size, elevation or location.
344 words, about 2 min04Measurement, Layout, and Material Take-Off
This domain tests practical measuring, setting out from benchmarks and grid lines, and calculating pipe and fitting quantities. Exam items often require a cut length, a slope fall or a take-off with waste.
318 words, about 2 min05Pipe Cutting, Threading, Bending, and Joining Methods
This domain tests whether you can join plumbing pipe by the method the material requires and test it only after the joint is ready. Questions often contrast PVC solvent cementing, GI threading, copper soldering or pressing, PPR heat fusion and cast-iron no-hub coupling.
368 words, about 2 min06Installation of Water Supply, Sanitary, and Drainage Piping Systems
This domain tests installation of pressure water lines and gravity drainage and vent systems, including slope, support, testing and backflow protection. Exam items often ask you to calculate fall, choose a fitting or identify a code violation.
355 words, about 2 min07Installation and Maintenance of Plumbing Fixtures and Appurtenances
This domain tests setting, connecting, testing and maintaining water closets, lavatories, sinks, urinals, floor drains and their valves and traps. Exam items often describe a leak, a loose fixture or a repeated service call and ask for the correct cause or repair.
340 words, about 2 min