Hvac electrical basic Study guides, Class notes & Summaries

MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. - Correct Answer ️️ -The factors that must be controlled include temperature, humidity, air motion, dust, bacteria, odors, toxic gases, and ionization. ((Ref: 1/1)) Describe in simple terms the basic process by which a refrigerant transfers heat energy. - Correct Answer ️️ -A refrigerant is used to transfer heat when it c...

HVAC BOMA Pre-Quiz Latest Version with Complete Solutions Two basic categories of chillers are the _____. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____. Circulation The primary function of an expansion device is to _____. All of the above (produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator and lower the boiling point of the refrigerant far enoug...

HVAC Final Exam Review Questions & Answers(RATED A+) The four leading causes of death in the construction industry include electrical incidents,caught in or caught-between incidents, and___ - ANSWER Falls A sign that has a white background with a green panel with white lettering is a: - ANSWER Safety instruction sign To properly dispose of oily rags, they must be - ANSWER stored in a container designed for the purpose Keeping your work area clean and free of scraps or spills is refer...

HVAC Final Exam Review Questions & Answ The four leading causes of death in the construction industry include electrical incidents,caught in or caught-between incidents, and___ - ANSWER Falls A sign that has a white background with a green panel with white lettering is a: - ANSWER Safety instruction sign To properly dispose of oily rags, they must be - ANSWER stored in a container designed for the purpose Keeping your work area clean and free of scraps or spills is referred to as: - AN...

MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. - Correct Answer ️️ -The factors that must be controlled include temperature, humidity, air motion, dust, bacteria, odors, toxic gases, and ionization. ((Ref: 1/1)) Describe in simple terms the basic process by which a refrigerant transfers heat energy. - Correct Answer ️️ -A refrigerant is used to transfer heat when it c...

NCIDQ IDFX Model Exam Questions with Answers Latest % Solved) An interior designer has determined the required gross occupant area required for a client planning to lease space in an office building. Using the Building Owners and Managers Association (BOMA) standard ANSI/BOMA Z65.1, Office Buildings: Standard Methods of Measurement, which of the following would be used to determine the amount of lease space the client will be paying for? (A) building efficiency ratio (B) building load fact...

AHJ Abbreviation of authority having jurisdiction. The building official, electrical inspector, fire marshal, or other individuals or entities responsible for interpretation and enforcement of local building and electrical codes. (ITSIMM, page A-1 to A-2) 02_PROFESSIONALISM AND PROJECT PLANNING A drawings Architectural drawings show a plan (top) view of each floor in a building. They include all aspects of the physical construction of the buiding, which provide the detail for such items...

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. ...

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 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...