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  1. ExOverZero

    FREE HVAC&R PE Prep Videos and 50% off!

    ExOverZero has released 20 videos, each fully covering real NCEES practice exam questions. Check out the YouTube channel or the ExOverZero website to watch totally FREE! ExOverZero on YouTube ExOverZero Website More videos are coming soon...
  2. ExOverZero

    NCEES HVAC&R P.E. Practice Test #16

    Here's a free video giving all the solution issues and references for #16 in the NCEES P.E. Practice Test for HVAC&R. Topic: Parallel Piping, Darcy-Weisbach, Branch. https://youtu.be/YbjJ_CAAdXU More videos coming soon...
  3. ExOverZero

    NCEES HVAC&R P.E. Practice Test #12

    Here's a free video giving all the solution issues and references for #12 in the NCEES P.E. Practice Test for HVAC&R. Topic: NPSH – net positive suction head https://youtu.be/wBM0IV9ABEw More videos coming soon...
  4. ExOverZero

    NCEES HVAC&R P.E. Practice Test #32

    Here's a free video giving all the solution issues and references for #32 in the NCEES P.E. Practice Test for HVAC&R. Topic: Enthalpy Wheel, Effectiveness, Tempered Air Temperature. https://youtu.be/5WD3D9kqwzE More videos coming soon...
  5. ExOverZero

    NCEES HVAC&R P.E. Practice Test #60

    Here's a free video giving all the solution issues and references for #60 in the NCEES P.E. Practice Test for HVAC&R. Topic: Counterflow Heat Exchanger, Heat-Transfer Coefficient, Refrigerant Flow Rate. https://youtu.be/y5xgbjGQVN4 More videos coming soon...
  6. ExOverZero

    NCEES HVAC&R P.E. Practice Test #69

    Here's a free video giving all the solution issues and references for #69 in the NCEES P.E. Practice Test for HVAC&R. Topic: Refrigerant Flow Rate, Evaporator Load, Superheat. https://youtu.be/AtZyxIRDNgk More videos coming soon...
  7. ExOverZero

    NCEES HVAC&R P.E. Practice Test #41

    Here's a free video giving all the solution issues and references for #41 in the NCEES P.E. Practice Test for HVAC&R. Topic: COP, Brine Cooler, Ammonia Refrigerant. https://youtu.be/JXXMKW0jRzo More videos coming soon...
  8. ExOverZero

    NCEES HVAC&R P.E. Practice Test #10

    Here's a free video giving all the solution issues and references for #10 in the NCEES P.E. Practice Test for HVAC&R. Topic: Total cfm, Latent and Sensible Load, Combining cfm. https://youtu.be/npdHsdtz-wE More videos coming soon...
  9. ExOverZero

    NCEES HVAC&R P.E. Practice Test #6

    Here's a free video giving all the solution issues and references for #6 in the NCEES P.E. Practice Test for HVAC&R. Topic: Mixed Air Temperature, Psychrometric, Bypass. https://youtu.be/zMSw2QTtcwQ More videos coming soon...
  10. ExOverZero

    NCEES HVAC&R P.E. Practice Test #21

    Here's a free video giving all the solution issues and references for #21 in the NCEES P.E. Practice Test for HVAC&R. Topic: Mass, Heat Gain, Sensible Heat, Density. https://youtu.be/fHpU9EashI0 More videos coming soon...
  11. ExOverZero

    NCEES HVAC&R P.E. Practice Test #8

    Here's a free video giving all the solution issues and references for #8 in the NCEES P.E. Practice Test for HVAC&R. Topic: Air Temperature, Coil, Ventilation. https://youtu.be/fqIAdEcANpc More videos coming soon...
  12. ExOverZero

    NCEES HVAC&R P.E. Practice Test #7

    Here's a free video giving all the solution issues and references for #7 in the NCEES P.E. Practice Test for HVAC&R. Topic: Mixed Air Temperature, Enthalpy, Cooling Coil, Total Heat Transfer. https://youtu.be/BrGZrSxyc50 More videos coming soon...
  13. ExOverZero

    NCEES HVAC&R P.E. Practice Test #45

    Here's a free video giving all the solution issues and references for #45 in the NCEES P.E. Practice Test for HVAC&R. Topic: Mixed Air Temperature, Heat Transfer, Hot Water Coil. https://youtu.be/N0bnwJMbftY More videos coming soon...
  14. ExOverZero

    NCEES HVAC&R P.E. Practice Test #70

    Here's a free video giving all the solution issues and references for #70 in the NCEES P.E. Practice Test for HVAC&R. Topic: Refrigeration Effect, Pressure Enthalpy, Refrigerant Flow. https://youtu.be/0KLVJYgevSU More videos coming soon...
  15. ExOverZero

    NCEES HVAC&R P.E. Practice Test #57

    Here's a free video giving all the solution issues and references for #57 in the NCEES P.E. Practice Test for HVAC&R. Topic: Mixed Air Temperature, Sensible Heat, cfm. https://youtu.be/GTnZKVDQP_8 More videos coming soon...
  16. ExOverZero

    NCEES HVAC&R P.E. Practice Test #42

    Here's a free video giving all the solution issues and references for #42 in the NCEES P.E. Practice Test for HVAC&R. Topic: Work of Compression, P-h Diagram, Isentropic Process. https://youtu.be/RTRIvGfO3Kc More videos coming soon...
  17. ExOverZero

    NCEES HVAC&R P.E. Practice Test #70

    Here's a free video giving all the solution issues and references for #70 in the NCEES P.E. Practice Test for HVAC&R. Topic: Compressor, Refrigeration Effect, Refrigerant Flow, P-h Diagram. More videos coming soon...
  18. ExOverZero

    NCEES HVAC&R P.E. Practice Test #49

    Here's a free video giving all the solution issues and references for #49 in the NCEES P.E. Practice Test for HVAC&R. Topic: Cooling Towers, Condenser Water, Heat Transfer.  https://youtu.be/i2dziKwRPgI More videos coming soon...
  19. ExOverZero

    NCEES HVAC&R P.E. Practice Test #13

    Here's a free video giving all the solution issues and references for #13 in the NCEES P.E. Practice Test for HVAC&R. Topic: Parallel Flow in Hydronic Cooling Systems and the Mechanical Reference Handbook. https://youtu.be/NtIKu52B6lk More videos coming soon...
  20. ExOverZero

    NCEES HVAC&R P.E. Practice Test #27

    Saw some chat about needing help with NCEES #27!   Here's a free video giving a step-by-step solution to #27 in the NCEES P.E. Practice Test for HVAC&R. Topic: Steam Quality/Steam Tables/Saturation https://youtu.be/2ea5wt_b-4Y More videos coming soon...
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