Btuh - Study guides, Class notes & Summaries

NATE Exam Question and answers already passed 2024 Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - correct answer 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% d. +30% - correct...

NATE Heat Pump Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+) Charging a heat pump with refrigerant is best accomplished in the mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode: B: Cooling mode 2. Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the heat pump more efficient? A: Heating mode B: Cooling mode C: Defrost mode NATE Heat Pump Exam Questions and Answers Latest Updated 2024/2025 (GRA...

1kwh of electric power is equivalent to ___ btu per hour. A. 3142 B. 6412 C. 9412 D. 6812 - A Gas valves operate at ____ voltage. A. 120v B. 230v C. 24v D. 12v - C What will be the resistance in the circuit if the supply voltage is 30v and current flowing through the circuit is 5A. A. 3 ohms B. 1/3 ohms C. 1/6 ohms D. 6 ohms - D Furnaces are placed into categories based upon. A. Venting characteristics B. Btuh capacity range C. Total airflow in CFM D. Gas valve type - A An oil separator is locat...

When installing a listed central heating furnaces, and the installation instructions requires you to maintain 6" clearance from the supply air plenum to combustibles, the supply air ducts connecting to the plenum should also maintain the 6" clearance for what minimum distance from the plenum? - Answer-3' Masonry chimneys should be built and installed to NFPA code___________ - Answer-211 What is the lower flammability list limit for natural gas? - Answer-5% What is the minimum clearance ...

Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - Answer-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% d. +30% - Answer-c (+15%) The maximum sensible cooling capacity of a heat pump shou...

1kwh of electric power is equivalent to ___ btu per hour. A. 3142 B. 6412 C. 9412 D. 6812 - A Gas valves operate at ____ voltage. A. 120v B. 230v C. 24v D. 12v - C What will be the resistance in the circuit if the supply voltage is 30v and current flowing through the circuit is 5A. A. 3 ohms B. 1/3 ohms C. 1/6 ohms D. 6 ohms - D Furnaces are placed into categories based upon. A. Venting characteristics B. Btuh capacity range C. Total airflow in CFM D. Gas valve type - A An oil separator is locat...

OK HVAC JOURNEYMAN TEST EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+ A deep vacuum is an evacuation method in which a technician uses a vacuum pump (or the systems compressor) to pull a vacuum until no moisture or other vapor remains in the system. If the compressor is used for this procedure, but CANNOT produce a deep vacuum, which of the following would be the problem? A- bad TXV B- low refrigerant C- leaky suction valve D- leaky exhaust valve C- leaky suction valve What ...

NATE Air Conditioning and Heat Pump Practice Questions with Complete Solutions Which of the following factors affects a customers level of comfort? - Correct Answer 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. - Correct 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 ...

Nate Heat Pump Test Exam with Verified Answers The three processes that transfer heat energy are conduction, convection and ________ a. Concentration. b. Radiation. c. Refraction. d. Static pressure. - CORRECT ANSWER-Radiation Which of the following factors affects a customer's level of comfort? a. Air movement. b. Humidity. c. Temperature. d. All of the above. - CORRECT ANSWER-All of the above A cooling load calculation estimates the sensible heat gain of a structure. The...

1kwh of electric power is equivalent to ___ btu per hour. A. 3142 B. 6412 C. 9412 D. 6812 o :## A Gas valves operate at ____ voltage. A. 120v B. 230v C. 24v D. 12v o :## C What will be the resistance in the circuit if the supply voltage is 30v and current flowing through the circuit is 5A. 2024/2025 2 | P a g e A. 3 ohms B. 1/3 ohms C. 1/6 ohms D. 6 ohms o :## D Furnaces are placed into categories based upon. A. Venting characteristics B. Btuh capacity range C. Total airf...