Hvacr 100 - Study guides, Class notes & Summaries

NATE Exam: Core Essentials | 121 Questions with 100% Correct Answers 2024 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 ...

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

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...

using an ohmmeter, there is 120 VAC between high speed and ground wires, this indicates : open if temperature rise is too high... : increase fan speed how many of the 3 OSHA conditions defining confined spaces must be met : all 3 what causes the temperature limit safety switch to shut off the burner : fan motor failure flashback indicates : the gas is flowing slower than the speed at which burn is occurring what type of connector is used to control noise in ductwork 2 | P a g e : v...

HVACR Practice Test Accurate 100%(RATED A+)What is the symbol for impedance? a. R b. I c. Z d. P - ANSWER z The safety ground conductor for A/C circuit is usually color coded ________. a. red b. green c. black d. white - ANSWER Green Resistance is _______. a. amperage b. electrical pressure c. opposition to current flow d. voltage applied to the circuit - ANSWER opposition to current flow How many watts of power are used by a heater operating at 480 volts and drawing 5 amps?...

EPA 608 EXAM 2023/2024 NEW!! (QUESTIONS AND VERIFIED ANSWERS) 100% CORRECT ANSWERS 1. The EPA required evacuation level for recovery or recycling equipment used on low pressure systems is: ~ Answer: 25 mm of Hg absolute 2. What type of equipment can be worked on with Type III certification ~ Answer: Low pressure 3. What is the safety classification of R-134A under ASHRAE Standard 34 ~ Answer: A1 4. The rupture disk on a low pressure chiller has a burst pr...

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HVACR UNIT 2 STUDY GUIDE, Questions & Answers. 100% Accurate. Verified. Every HVACR technician must become certified under the EPA Section 608 regulations. This certification is to ensure the technician understands and complies with the regulations regarding - -Refrigerant handling and refrigerant management Codes are different than industry standards because codes are - -Required by Law Customers often judge the ability of an HVACR technician by - -His Apperance, Neatness of vehicle,...

NATE CORE complete latest exam 100% guaranteed pass When explaining to a customer that you have topped off the system charge, which of the following terms is most appropriate? - answer 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 The ability to utilize all types of communication skills is _____ to the HVACR technician - answer Lis...

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...