Electricity for hvacr - Study guides, Class notes & Summaries

NATE Exam: Core Essentials, questions and answers. Verified 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 on the job. ...

EPA SECTION 608 CORE (2022 revision) What does ozone in the stratosphere above the earth consist of? a. Molecules containing 2 oxygen atoms. b. Molecules containing 3 oxygen atoms. c. Molecules containing 4 oxygen atoms. d. Molecules containing 5 oxygen atoms Which of the following refrigerants has the lowest global warming potential? a. R-134a b. R-407C c. R-410A d. R-600a Which of the following gases is used as the baseline measurement for global warming potential? a. Ammo...

Test Bank For Electricity for HVACR 1st Edition All Chapters

UNIT 1 REVIEW QUESTIONS ANSWER KEY 1-1) List some of the different ways that homes and buildings may be heated. Wood, gas, oil, electric, solar, heat pumps, and geothermal heating systems are used. 1-2) What were some of the primary heating fuels that early civilizations used? Wood, peat, and coal remained the primary heating fuels for centuries. 1-3) When is it believed that ice was first artificially made for food storage? First evidence of man making ice appeared more than 3,000 years ...

Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - ANSWER-d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% d. +30% - ANSWER-c (+15%) The maximum sensible cooling capacity of a heat pu...