Air conditioner - Study guides, Class notes & Summaries

Michigan Journeyman test | 2023/24 questions and answers There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 70 amp load using THHM conductors. The minimum size conductors used our #_________AWG - 4 Thermal insulation shall not be installed within _________inches of recessed lighting fixtures - 3 A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 TW. Each circuit consist of two phase conductors and on...

A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds correct answers D. 6 pounds 15ft - 25ft = 10ft x .6 = 6 ounces 5 pounds + 10 ounces + 6 ounces 5 pounds + 16 ou...

CMN 568 FINAL EXAM QUESTIONS WITH ALL CORRECT ANSWERS Asthma - Diagnostic testing - Answer-Under age 5 - diagnosed based on clinical judgement and assessment of symptoms (unable to cooperate with PFT's) Pulmonary functions tests/spirometry CXR not usually needed unless r/o pneumonia during exacerbation Allergy testing may be used to ID triggers Pulmonary Function Tests - Answer-FEV1 - Forced expiratory volume in 1 second FVC - Forced vital capacity FEV1/FVC ratio - compared to referen...

4 functions of reservoirs : Store and supple hydraulic fluid Cools the fluid Deaeroter Fluid conditioner so settles to bottom 6 main components of reservoirs : Drain line Return line Pump Inlet line Clean out plate Temp gauges Air breather Inlet filter Baffle plate 2 Bottom of return lines cut at an angle and usually oriented away. Why? : Cooling and directs containments away 4 standard reservoir designs : JIC L shape Overhead stack Vertically mounted Advantages of JIC desi...

Which two certificates are all Five Guys managers required to have? a-money handling, quality control b-money handling, equipment safety c-quality control, equipment safety d-quality control, food safety - Answer-D - quality control, food safety How many days can meat be accepted after the grind-on/pack date? a-7 b-10 c-12 d-14 - Answer-D - 14 Name the six pathogens a-Shigellosis, Clostridium botulism, E.Coli, Hepatitis A, and Norovirus b-Listeria monocytogenes, Salmonella, E.Col...

1. An older adult patient who is unable to get out of bed complains that the room is too cold because of the air-conditioning and asks the nurse to open the window. The nurse's best reply is: a. "Certainly, that will let in warm air from outside and should make you warmer." b. "The air conditioner is set to keep the most comfortable temperature in the room." c. "I'll adjust the thermostat in your room and get a blanket for you." d. "Agency policy prevents me from opening the...

_____ - amp breakers are commonly used for small air conditioner units and clothes dryers. - 30 _____ accounts for more than 98% of all water vapor movement in building cavities. - Air movement _____ air is less dense than _____ air. - Hot..... cold _____ are chemical compounds that have a low boiling point that are added to the asphalt mix to help keep shingles waterproof and flexible - " Volatiles " _____ are typically formed in concentric cones or pyramids. - Diffusers _____ are used...

NATE AC Service Certification/ 99 Questions with Certified Solutions. Terms like: An air conditioner refrigerant circuit should be evacuated to a minimum of: A. 0 microns. B. 200 microns. C. 500 microns. D. 1200 microns. - Answer: C. 500 microns. Which of the following substances could create an extremely dangerous condition if used to check refrigeration system for leaks? A. R-22 B. Nitrogen C. Oxygen D. Carbon Dioxide - Answer: D. Carbon Dioxide The subcooling method for ...

A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds - Answer-D. 6 pounds 15ft - 25ft = 10ft x .6 = 6 ounces 5 pounds + 10 ounces + 6 ounces 5 pounds + 16 ounces = 6 ...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...