Heat pump Study guides, Class notes & Summaries

An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has an - ans-Reversing valve What is the difference between "demand defrost" and "timed defrost"? - ans-Demand defrost happens only when needed and timed defrost is based on time/temperature. The thermostat that controls the auxiliary electric heat according to the outdoor temperature is called the; - ans-Outdoor ambient thermostat The outdoor...

BSN 266 HESI Med Surg Practice V2 (New 2023/ 2024 Update) Questions and Verified Answers with Rationales|100% Correct| Grade A- Nightingale QUESTION A 77-year-old female client is admitted to the hospital. She is confused, has no appetite, is nauseated and vomiting, and is complaining of a headache. Her pulse rate is 43 beats per minute. Which question is a priority for the nurse to ask this client or her family on admission? "Does the client: A. have her own teeth or dentures?"...

_________ are necessary for complete combustion correct answer: time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answer: 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi correct answer: 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator correct answer: steam turbine a b...

FDNY Fire Life & Safety Director Test #321 Complete Questions And Answers 2023 A fire pump is usually connected to the ________ for most of its water supply source. Public water main Fire escapes/external stairs are considered to be a __________ means of egress from a building. secondary A thermostatic detector is sensitive to which of the following: Heat The person responsible by law for complying with the Fire Safety Laws is the: The Building Owner Your Fire Alarm Control Panel s...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

NATE Exam Air Conditioning and Heat Pumps Questions Verified With Latest 2023 - 2024 100% Correct Answers

HVAC NATE Heat Pump Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: What is the absolute pressure at sea level if a gauge pressure is 35 psig? Answer: 49.7psia Q: 100,000 BTUH output furnace. Return air temp is 65F. Supply air is 135F. What is the CFM? Answer: 1323CFM Q: What is the best method of repair when a residential supply diffuser is noisy because of a loose vane? Answer: Replace the diffuser. Q: When...

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts 1987 - Correct answer-The y...

NATE Heat Pump Exam Questions With Correct Answers Latest Updated 2024/2025 (GRADED A+) Which of the following components is exclusive to the heat pump? A: Condenser B: Oil separator C: Reversing valve D: Accumulator: C: Reversing valve 4. Which of the following airflow rates is the most reasonable for a heat pump system operating in the heating cycle? A: 200 cfm per ton B: 300 cfm per ton C: 400 cfm per ton 3 / 15 D: 450 cfm per ton: D: 450 cfm per ton 5. During the heat pump's coo...