Hvacr controls - Study guides, Class notes & Summaries

HVACR CONTROLS UNIT 13 TEST ..

HVACR CONTROLS UNIT 15 EXAM QUESTIONS AND ANSWERS #14.

HVACR UNIT 55 QUESTIONS AND ANSWERS ALREADY PASSED A major difference between the operation of an oil furnace and a gas furnace is that: The oil must be atomized before ignition. An oil furnace heat exchanger is built: Like a drum. How are oil burner nozzles rated? Cone shape, spray angle, and GPH Modern residential oil furnaces sense the flames using: A cadmium sulfide cell. Sealed combustion oil furnaces use: High static oil burners. Select the functions that the primary co...

NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated 2024/2025 (GRADED) The combined output of a heatpump and its auxiliary heat should not exceed the calculated heat loss of a home by more than ____%. - ANSWER-15% What amount of auxiliary electronic heat is needed when the output of a heat pump on a design day equals 18,800 Btuh and the heat loss of a home is 29,700 Btuh? - ANSWER-3.2 kWh The three processes that transfer heat energy are conduction, convection, and _____...

NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated (GRADED A+) The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a large heating load. - ANSWER- +25% The combined output of a heatpump and its auxiliary heat should not exceed the calculated heat loss of a home by more than ____%. - ANSWER-15% What amount of auxiliary electronic heat is needed when the output of a heat pump on a design d...

HVACR UNIT 55 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ A major difference between the operation of an oil furnace and a gas furnace is that: Correct answer: The oil must be atomized before ignition. An oil furnace heat exchanger is built: Correct answer: Like a drum. How are oil burner nozzles rated? Correct answer: Cone shape, spray angle, and GPH Modern residential oil furnaces sense the flames using: Correct answer: A cadmium sulfide cell. Sealed combust...

NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated (GRADED A+) The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a large heating load. - ANSWER- +25% The combined output of a heatpump and its auxiliary heat should not exceed the calculated heat loss of a home by more than ____%. - ANSWER-15% What amount of auxiliary electronic heat is needed when the output of a heat pump on a design d...

NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated (GRADED A+) Which of the following factors affects a customers level of comfort? - ANSWER-All of the above A cooling load calculation estimates the sensible heat gain of the structure. The coolingonly system should be within _____% of this calculated value. - ANSWER-+15% The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a large heating l...

Accounting Associate Degree General Education Core (Required minimum: 15 Semester Credit Hours) Area I - Language Arts/Communication ENGL 1101 Composition and Rhetoric 3 180 Explores the analysis of literature and articles about issues in the humanities and in society. Students practice various modes of writing, ranging from exposition to argumentation and persuasion. The course includes a review of standard grammatical and stylistic usage in proofreading and editing. An introduction to...

UNIT 14 AUTOMATIC CONTROL COMPONENTS AND APPLICATIONS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024 The control voltage that is typically used in split type residential central air conditioning systems is - ANSWER 24 v What device is used to produce the control voltage that is used to power the control circuits of a split type residential central a/c system - ANSWER Step down transformer All of the following are true statements regarding line voltage thermostats and control wiring except? - A...