Purpose of hvac systems Study guides, Class notes & Summaries

HVAC Oil Burner Questions and Answers 100% Pass An up flow furnace Has the return air at the bottom Of the six regular grades of fuel oil,The grade most commonly used in residential and light commercial heating systems is No. 2 How much heat is produced when 2 gallons of No. 2 fuel oil is burned? 280,000 What could be the cause of a high steak temperature Too much air How would you prove a furnace was stopped up with soot in the heat exchanger Draft gauge at the inspection do...

HVAC Oil burner Exam Questions and Answers All Correct An up flow furnace - Answer-Has the return air at the bottom Of the six regular grades of fuel oil,The grade most commonly used in residential and light commercial heating systems is No. - Answer-2 How much heat is produced when 2 gallons of No. 2 fuel oil is burned? - Answer-280,000 What could be the cause of a high steak temperature - Answer-Too much air How would you prove a furnace was stopped up with soot in the heat exc...

HVAC EPA Type I Written Exam 2024. If after installing a fitting for the purpose of recovering the appliances refrigerant, you find that the system pressure is 0 psig; - CORRECT ANSWER Refrigerant recovery is not required. System-dependent recovery methods may only be used on appliances containing; - CORRECT ANSWER 15 pounds of refrigerant or less. When filling a charging cylinder with a regulated refrigerant; - CORRECT ANSWER The refrigerant vapor that is vented off the top of the cy...

HVAC NATE Heat Pump Exam Questions With Correct Answers Updated 2024/2025 (Graded A+) What is the primary purpose of using flux when soldering copper or brass parts? -Ans Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? -Ans Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? -AnsExcessive ice can build up on the bottom of the coil and can reduce capacity. What is the component th...

HVAC S.T.A.R EXAM QUESTIONS AND ANSWERS 100% PASS The evaporator in a refrigeration system: - Correct Answer ️️ -Is the component where refrigerant boils and absorbs heat. The purpose of the compressor is to change ___________. - Correct Answer ️️ -Low- pressure, low-temperature vapor to a high-pressure, high temperature vapor A common refrigerant leak detection device is the: - Correct Answer ️️ -Halide torch. Copper-plating of compressor parts is: - Correct Answer ️️ -Ca...

Which of the following soils can support the least load-bearing pressure? - ANSWER Silt with high compressibility In general, the grading around a building should be positively sloped for how many feet away from the building? - ANSWER 10 feet Flashing is not required at which of the following locations? - ANSWER Above projecting masonry Under which of the following conditions is a two-coat stucco system acceptable on the exterior of a building? - ANSWER If the system is installed over m...

Home inspector test| 102 Questions| accurate Answers| Verified Which of the following soils can support the least load-bearing pressure? - ANSWER Silt with high compressibility In general, the grading around a building should be positively sloped for how many feet away from the building? - ANSWER 10 feet Flashing is not required at which of the following locations? - ANSWER Above projecting masonry Under which of the following conditions is a two-coat stucco system acceptable on the...

Fire Inspector 1 Questions and Answers Latest Update Graded A+ During an inspection, you walk inside a building where automobiles are stored. Such storage indicates the need for? A permit or written approval. The formula used for determining available water using the mathematical method is the? Hazen-Williams formula. A looped feed fire hydrant? Is supplied from two or more directions. Light fixture in a dipping and coating area must be sealed in order to prevent? Vapors from escaping. Iden...

FDNY F-80 Fire Safety & Alarm Systems in Homeless Shelters Questions and Answers 100% Pass GOOD As the F-80 C of F holder, you notice a minor defect in the fire protection system and report it to the building owner. In the event the issue is still not corrected three months later, what would be the next step that you are required to take? Report the defect in writing to the Fire Department GOOD Typical causes of fires in homeless shelters are considered which of the following? - Halogen lamps ...

What rating system has a credit category named Smart Location and Linkage? : LEED ND What is the proper designation for a project that has earned 80 points and met all prerequisites? : LEED Platinum LEED requires which of the following to be done in order for a project to earn certification? : Meet the Minimum Program Requirements; Achieve all prerequisites for the rating system A LEED credit that supports local economies and strengthens the green building industry and supply chain...