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Specialty Transformers Level 4 Module 6 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified Why are step-down transformers essential for household appliances? To reduce high transmission voltage to usable levels. What is the purpose of laminating the transformer core? To reduce eddy current losses. How do isolation transformers enhance safety? By separating the input and output sides to prevent shock hazards. What type of transformer is used in electric furnaces? ...

NCCER Electrical Level 2 Module 5 Test Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is an "arc fault" in an electrical system? An electrical malfunction caused by a high-energy discharge that can lead to fires What is the standard method for calculating electrical power in a circuit? Power is calculated using the formula: P = V × I (where P is power, V is voltage, and I is current) What does the term "high-leg delta" refer to in elec...

NCCER Module 5 Carpentry - Floor Systems - Part 1 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the most common material used for floor joists in residential construction? Wood What is a floor girder used for in a floor system? To provide additional support for the floor joists What is the purpose of a sill plate in a floor system? To anchor the floor framing to the foundation walls What is the typical spacing for floor joists in residenti...

Carpentry 2 Module 5 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the function of a plumb bob? To determine vertical alignment by using gravity What is the purpose of a chalk line in carpentry? To mark straight lines over long distances What is the difference between a sawzall and a circular saw? A sawzall is used for rough cutting, while a circular saw is used for straight cuts What is the standard length for most framing lumber? 8 fe...

03402 System Air Balancing: Module 5 | Latest Version | 2024/2025 | Correct & Verified What is the purpose of air balancing in a ventilation system? To ensure even distribution of air throughout the system What is the main tool used to measure air flow during system air balancing? An anemometer What does static pressure in an air system refer to? The pressure exerted by the air when it is not in motion What is the effect of improper air balancing on indoor air quality? It...

Intro to Construction Drawings Trade Module 105 Questions Answers | Latest Version | 2024/2025 | Correct & Verified What type of information is typically found on the title block of a drawing? Project name, drawing title, scale, date, and designer's information What is the difference between a floor plan and an elevation drawing? A floor plan shows the layout from above, while an elevation drawing shows a side view of the structure What is a "detail" in construction draw...

Plumbing Book Year 2 Module 5 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the primary purpose of a water pressure regulator? To control and maintain a consistent water pressure within the plumbing system What does the term "backflow" refer to in plumbing? The unwanted reverse flow of water or chemicals into the potable water supply What is the function of a check valve? To allow fluid to flow in only one direction and prevent backflo...

Module 105 Intro to Construction Drawings Review Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the purpose of a bubble drawing in construction? To highlight specific areas that need further clarification or attention in a project How does a construction drawing help reduce project errors? By providing a clear, detailed visual guide that minimizes misinterpretations What is the importance of a “detail view” on construction drawings? It all...

Carpentry 1: Module 5 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the role of a "saw guide"? To help keep the saw straight when making cuts What does "planing" wood mean in carpentry? The process of shaving down the surface of wood to make it smooth and level What is the purpose of "blocking" in wall framing? To provide support for fixtures and prevent wall movement What is a "miter box" used for? To help make ...

Carpentry Floor System (Module 5) Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What are floor joists? Horizontal beams that support the flooring and distribute loads to the foundation What is the purpose of a rim joist in a floor system? To support the outer edge of the floor system and provide a fastening point for the walls What is the difference between a wood floor system and a concrete floor system? A wood floor system uses wood joists and subfl...