A compound gauge - Study guides, Class notes & Summaries

HVAC (EPA Certification Exam Section 608) Questions and Answers 100% Pass How many types of HVAC certifications are there? - Correct Answer ️️ -There are 4 types. What does a metering device do? - Correct Answer ️️ -The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - Correct Answer ️️ -Heat is absorbed in the evaporator. What happens in the evaporator? - Correct Answer ️️ -Heat is a...

overheating (low water) or thermal shock What is the maximum size of safety valve permitted on a heating boiler? - Answer-4 1/2 inches What is the function of a boiler vent? - Answer-It is used to vent air from the boiler when filling with water or warming the boiler, and to prevent vacuum from forming when taking the boiler offline. What is the function of low water fuel cut-off? - Answer-It shuts off the boiler burner in the event of a low water What is the function of the operatin...

The water system in most municipalities - Combination system Which of the following is a pumping system requirement? - A. 150% rated capacity at 100psi B. 100% RATED CAPACITY AT 150 PSI C. 50% rated capacity at 200psi D. 100% rated capacity at 250psi What number converts hg to feet of lift? - 1.13 I gallon water weighs - 8.3lbs 1 cubic foot of water weighs - 62.4 lbs Atmospheric pressure - 14.7 Types of pressure - Static, Flow, Residual .434 psi at? - 1 foot height Types of wa What NF...

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 ...

HVAC (EPA Certification Exam Section 608) Questions With Verified Solutions | ALREADY PASSED | LATEST REVISED UPDATE What does a metering device do? - ANSWER The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - ANSWER Heat is absorbed in the evaporator. What happens in the evaporator? - ANSWER Heat is absorbed in the evaporator and causes the refrigerant to boil from liquid to vapor. At...

EPA Certification Exam (2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: What is being done in the U.S. to stop damage to the stratospheric ozone layer? Answer: Phasing out the use of chlorofluorocarbons and hydrochlorofluorocarbons. Q: How should disposable cylinders of CFCs, HCFCs, and HFCs be discarded? Answer: Recover all remaining refrigerant, render the cylinders useless and recycle the metal. Q: In addition to fines and being require...

HVAC EXCELLENCE QUESTIONS AND ANSWERS ALREADY GRADED A Heat which causes a change in temperature of a substance is called sensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? latent heat Heat added to the refrigerant in vapor state after the evaporation process is called, superheat A scroll compressor moves refrigerant by means of; involute spirals The movement of heat by way of fluid or is called; a...

HVAC: EPA 608 Certification Study Guide with 100% Complete Solutions Are there drop-in replacements for R-12 systems? Why or why not? - Correct Answer ️️ -No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - Correct Answer ️️ - Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - Correct Answer ️️ -Alkylbenzene lubric...

ATI RN ADULT MEDICAL SURGICAL TEST BANK 1. A nurse is assessing a client who has a diagnosis on colon cancer which of the following should the nurse expect? a. Steatorrhea b. Elevated hemoglobin c. Hematochezia d. Weight gain 2. A nurse is assessing a client admitted with peripheral vascular disease. Which of the following findings indicates a venous vascular disorder? a. An ulcer at the tip of a toe b. Hair loss distal to the client’s calves c. Leg pain at rest d. Edema of the an...

FAE (ILLINOIS) Exam Questions And Answers (Updated And Verified) The Pressure at the base of a column of water is based on: a) The Weight of the water b) The atmospheric pressure c) The diameter of the column d) The temperature of the water - answera)The Weight of the water The change from pressure mode to volume mode should be made: a) When the pump Must deliver more than 25% of its rated capacity b) When the pump must deliver more than 50% of its rated capacity c) When the pump must ...