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  1. Our 300 question HVAC practice test provides: assessment of broad based HVACR knowledge. practice in the various core specialty areas. benefit for self-assessment and professional-growth, as well as for exam preparation.

    • HVAC Flash Cards

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  2. 7 Σεπ 2016 · From air conditioning principles to heat pump operations, ductwork design to energy efficiency concepts, the HVAC Quizzes & Trivia covers a wide array of topics. You'll not only understand how these systems work but also get an insight into the technological advances reshaping the HVAC industry.

  3. HVAC BASIC QUIZ. 1. You have a single phase compressor that will not start. You OHM the compressor and read resistance between run and start, but infinity from common to run and common to start. The compressor is: Not pumping. Grounded. Open on internal overload. Three phase.

  4. Study with Quizlet and memorize flashcards containing terms like Heat causes a change in temperature of a substance is called ., Heat which causes a change in state of a material without a change in temperature is called :, Heat which is added to a vapor after the change of state occurs is called and more.

  5. Latent heat content. ______ is the method by which heat is transferd from one substance to another through a circulating medium, such as air or water. Convection. the weight of a substance is defined as the ______. force of gravity on the substance.

  6. Releasing heat from compressed gas allows it to ___________. Once it is, the liquid refrigerant can be cycled back to the evaporator and used again for cooling. Study with Quizlet and memorize flashcards containing terms like refrigeration, vapor compression cycle, pressure and more.

  7. Air / Water cooled chillers: Air / Water cooled chillers use a compressor to cool water, which is then circulated through a heat exchanger to remove heat. Absorption chillers use a chemical reaction to absorb heat from the air. Evaporative cooling towers use the evaporation of water to cool the air. 9.

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