Module 5 nccer level 3 - Study guides, Class notes & Summaries

NCCER HVAC Level 1, Module 8 - Soldering BrazingWhat is a neutral flame? Equal parts oxygen and acetylene What is a carburizing flame? A cooler flame used for light brazing. At what PSI does Acetylene become unstable? 15 psi What do you use to light a torch? Cup Striker Why is it dangerous to use a lighter to light a torch? The flame may travel back into the lighter and cause it to explode. How far do you open the acetylene valve on the tank when brazing? 1/2 turn ...

1 NCCER PLUMBING 1 MODULE 1 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ latin word for lead Correct Answer: Plumbum latin word for person who works with led Correct Answer: plumbarius When was the first supply pipe laid Correct Answer: Mid 1300's in London When and where were the first apprenticeship laws for plumbing enacted ? Correct Answer: 1625 in england developed in the 1930s, What was the first plastic used in plumbing Correct Answer: PVC - polyvinyl...

NCCER Electrical Level 2 Module 5 "Pull and Junction boxes" Where in the NEC will you find the most information on pull and junction boxes? - Answer- NEC Article 314 The combination coupling in Figure FQ01 is used to connect ___. - Answer- Flexible conduit to rigid conduit When calculating the pull box size for straight pulls on systems operating at 1,000V or less, the length of the box must not be less than ______. - Answer- eight times the trade diameter of the largest raceway If...

NCCER ELECTRICAL LEVEL 1 - Module 1 Occupational Overview The Electrical Industry Complete Answers 1. During which phase of construction are panelboards typically installed in residential wiring? Panelboards are generally installed during the rough-in phase. ️ 2. What type of cable is commonly used in residential wiring systems? Residential wiring systems primarily utilize non-metallic sheathed cable, often referred to as Romex. ️ 3. In which setting would you most commonly...

NCCER Industrial Maintenance E & I Technician Level 1 Module 1 1. What happens to machinery that is not properly maintained? It will eventually encounter breakdowns. ️ 2. What is the purpose of the National Center for Construction Education and Research (NCCER)? NCCER was established to provide standardized materials for construction education. ️ 3. What is the aim of NCCER's National Registry? The registry is designed to offer industry-wide credentials and ensure the por...

NCCER Module 1 Guaranteed Success 1. What are some benefits of maintaining safety in the workplace? Implementing safety practices leads to lower accident rates and reduced employee turnover. 2. What safety measure is required for arc welding? Gas welding and burning necessitate a filter lens of at least No. 4 shade for eye protection. 3. How can safety be characterized? Safety can be seen as both a learned behavior and a cultivated attitude. 4. What defines a safety culture w...

NCCER Welding Level 1 Module 1 Safety Verified Guide 2024 1. What does arc burn refer to? Arc burn is a skin burn resulting from short exposure to intense radiant heat and ultraviolet light. ️ 2. What does it mean when parts are described as bonded? Bonded parts are permanently joined together to create an electrically conductive path, ensuring electrical continuity and the ability to safely carry any expected current. ️ 3. What is carbon steel? Carbon steel is an alloy c...

NCCER MODULE 1 SET 3 GRADED A+ 1. What defines a qualified person in the workplace? A qualified person possesses either a recognized degree, certification, or professional standing, or has demonstrated extensive knowledge, training, and experience, showing the ability to solve or prevent problems related to a specific subject or project. ️ 2. What function does a respirator serve? A respirator is a device designed to provide clean, filtered air for breathing, regardless of cont...

NCCER Core Curriculum Module 2 Verified Answers 1. What is the purpose of cross-bracing in a structure? - Cross-bracing consists of braces (either metal or wood) positioned diagonally between the bottom of one rail and the top of another rail to provide additional support to the structure. 2. How is excavation defined in construction terms? - Excavation refers to any artificial cut, trench, cavity, or depression in the earth's surface created by the removal of soil. This can be done...

NCCER electrical Level 2 Module 2 Verified Guide 1. What voltage threshold requires guarding for exposed live parts? - Exposed live parts must be guarded if they operate at 50V or more between terminals. 2. Which type of equipment is most likely to utilize dynamic braking? - Forklifts often use dynamic braking. 3. At startup, what percentage of its full-load torque does a DC series motor generate? - A DC series motor develops 500% of its full-load torque at startup. 4. What factor ...