Hvacr unit 30 - Study guides, Class notes & Summaries

HVACR UNIT 30 EXAM LATEST UPDATE...

NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated 2024/2025 (GRADED) The combined output of a heatpump and its auxiliary heat should not exceed the calculated heat loss of a home by more than ____%. - ANSWER-15% What amount of auxiliary electronic heat is needed when the output of a heat pump on a design day equals 18,800 Btuh and the heat loss of a home is 29,700 Btuh? - ANSWER-3.2 kWh The three processes that transfer heat energy are conduction, convection, and _____...

NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated (GRADED A+) The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a large heating load. - ANSWER- +25% The combined output of a heatpump and its auxiliary heat should not exceed the calculated heat loss of a home by more than ____%. - ANSWER-15% What amount of auxiliary electronic heat is needed when the output of a heat pump on a design d...

NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated (GRADED A+) Which of the following factors affects a customers level of comfort? - ANSWER-All of the above A cooling load calculation estimates the sensible heat gain of the structure. The coolingonly system should be within _____% of this calculated value. - ANSWER-+15% The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a large heating l...

HVACR Journeyman Practice Exam with Answers A+ Graded In a (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: - CORRECT ANSWER-Operate at High Efficiency. What is one of the main reasons that reciprocating compressors are not 100% efficient? - CORRECT ANSWER-Clearance Volume A dirty evaporator and return air filters subsequently causes low evaporator pressures which will cause - CORRECT ANSWER-High Compression Rati...

NATE Exam: Core Essentials Study Guide for HVACR Technicians | Comprehensive Prep The ability to utilize all types of communication skills is ____ to the HVACR technician. a. not as important as "hands-on" technical skills b. somewhat important c. unimportant d. very important - d (very important) It is important to be ____ in filling out service orders so that office staff, other technicians, and customers will know what work you completed on the job. a. clear b. complete c. ...

Which of the following factors affects a customers level of comfort? All of the above A cooling load calculation estimates the sensible heat gain of the structure. The cooling-only system should be within _____% of this calculated value. +15% The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a large heating load. +25% The combined output of a heatpump and its auxiliary heat should not exc...

NATE Exam: Air Conditioning and Heat Pumps, questions with complete top solutions Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% ...

NATE Exam: Core Essentials, questions and answers. Verified d (very important) The ability to utilize all types of communication skills is ____ to the HVACR technician. a. not as important as "hands-on" technical skills b. somewhat important c. unimportant d. very important d (all of the above: clear, complete, concise) It is important to be ____ in filling out service orders so that office staff, other technicians, and customers will know what work you completed on the job. ...

When explaining to a customer that you have topped off the system charge, which of the following terms is most appropriate? - ANSWER-Refrigerant It is important to be _____ in filling out service orders so that office staff, other technicians, and customers will know what work you completed on the job. - ANSWER-All of the above (clear, complete, concise) The ability to utilize all types of communication skills is _____ to the HVACR technician - ANSWER-Very important Listening carefully ...