Hvac electrical basic - Study guides, Class notes & Summaries

What are the five basic components to any schematic? - correct answer 1. A power supply 2. A path for the power 3. A load or component that operates from the power. 4. A switch or component that interrupts the power to the load. 5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. What are the three basic types of wiring diagrams used in the HVACR trade? - correct answer 1. The ladder diagram 2. The pictorial diagram 3. The installation...

Hvr 110 HVAC final exam Accurate Questions Furnace - ANSWER The air flow on most structures that use a fossil fuel for a heat source have a___that would be used as an air supply. Control loop - ANSWER Almost all control systems use a___to control the temperature with in a given structure, space, or zone. Troubleshooting - ANSWER A___chart is a graphical representation of a troubleshooting procedure for a particular unit. Overload - ANSWER A___is an electrical device that protects a load...

What is the frequency for smart cards? 13.56 MHz The distances that a CCTV signal may be run are determined by what? 1. Signal strength at the source 2. Required signal strength 3. Signal loss over the distance What are the most commonly controlled conditions in HVAC systems? 1. Pressure 2. Temperature 3. Humidity 4. Rate of Flow 5. On, Off or variable speed What is the primary reason for considering a physical ring? A redundant cable path for disaster recovery. ...

BUILDING UTILITIES SYSTEM EXAM QUESTIONS AND ANSWERS 2024 Apply basic engineering principles and technologies for plumbing systems in building design. a. Construction Details and Constructability b. Building Systems and their Integration c. Building Design d. Implications of Design Decisions e. All of the above -Answer-c. Building Design Analyze and evaluate the implications of plumbing system design decisions in relation to project goals, cost, schedule and quantity. a. Building Desi...

BUILDING UTILITIES SYSTEM EXAM QUESTIONS AND ANSWERS 2024 Apply basic engineering principles and technologies for plumbing systems in building design. a. Construction Details and Constructability b. Building Systems and their Integration c. Building Design d. Implications of Design Decisions e. All of the above -Answer-c. Building Design Analyze and evaluate the implications of plumbing system design decisions in relation to project goals, cost, schedule and quantity. a. Building Desi...

Fire Inspector Practice Exam Questions and Answers Already Graded A Which of the following is NOT considered to be a model code orgnization? A. National Fire Protection Association B. National Fire Academy C. International Code Counil D. American Society of Mechanical Engineers B. National Fire Academy A prescriptive code does which of the following? A. List the specific details the installation or construction must meet B. Requires equipment to be installed for protection against a hazar...

Is NFPA 921 a guide or a standard? - It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? - Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? - Analyze the data What step of the scientific method is deductive reasoning? - Test the hypothesis What are the four parts of the fire tetrahedron? - Fuel (reducing agent) He...

Fire Inspector 2 Block 3 Questions and Answers 100% Pass What are the 4 basic properties for building materials? 1) combustibility (not flammability) 2) thermal conductivity 3) rate of thermal expansion 4) variation of strength w/ temperature What are some advantages for wood material? Cheap to produce and renewable What are some disadvantages for wood material? Never dimensionally true and combustibility drawbacks What treatment can reduce but do not eliminate the ability of the product to b...

What are the five basic components to any schematic? - Answer: 1. A power supply 2. A path for the power 3. A load or component that operates from the power. 4. A switch or component that interrupts the power to the load. 5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. What are the three basic types of wiring diagrams used in the HVACR trade? - Answer: 1. The ladder diagram 2. The pictorial diagram 3. The installation diagram ...

IRC (International Residential Code) -Ans Created to serve as a complete, comprehensive code regulating the construction of single-family, two-family and buildings consisting of three or more townhouse units. First 2 chapters of code book are -Ans Administrative Plans or supporting documents are almost always required by the controlling authority prior to issuing a permit. T or F -AnsTrue Does the building official have the authority to render interpretations of the code? -AnsYes None of ...