Hvacr practice test Study guides, Class notes & Summaries

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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?...

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? a. 5 watts b. 96 watts c. 480 watts d....

HVACR Practice Test Correct 100% 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? a. ...

All NATE specialties are offered at two levels. They are: - Installation and Service 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, cleanliness of work equipment (All of the above) 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 regard...

HVACR generally falls into the ________ career? - ANSWER-Architecture and Construction - pg 6 The initial setup of HVACR equipment and systems is _________ work. - ANSWER-Installation - pg 6 Fixing and performing maintenance on existing systems is _______ work. - ANSWER-Service - pg 6 The career requiring the highest level of education and licensing is an HVACR ________. - ANSWER-Engineer - pg 7 To develop a bid, an estimator generally adds together the cost of the following: - ANSWE...

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 ...