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HVR 110 HVAC FINAL EXAM QUESTIONS AND ANSWERS 2024 $10.99   Add to cart

Exam (elaborations)

HVR 110 HVAC FINAL EXAM QUESTIONS AND ANSWERS 2024

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HVR 110 HVAC FINAL EXAM QUESTIONS AND ANSWERS 2024

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  • November 13, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • HVR 110 HVAC
  • HVR 110 HVAC
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HVR 110 HVAC FINAL EXAM

American write gauge (AWG) - ANSWERS-Standard wire size is defined in the
United States by the___ ___ ___.



Locked rotor amperage - ANSWERS-The starting amperage of an electric motor is
usually stated as the___ ___ ___.



Direct ignition - ANSWERS-___ ___system use a spark igniter (direct spark
ignition) or a silicon carbide igniter (hot surface ignition) to light the main gas
burner directly.



Thermostat - ANSWERS-The temperature in any structure, regardless of its age,
location, or design, can be maintained at comfortable levels with a___.



Low voltage - ANSWERS-There are two basic types of thermostats used in the
industry today: the___ ___thermostat and the line voltage thermostat.



Remote bulb - ANSWERS-The ___ ___thermostat is commonly used to control the
temperature of any medium, whether liquid or vapor, in many applications.



Aquastats - ANSWERS-Thermostats that are immersed in water are sometimes
called___.

, Permanent - ANSWERS-Two types of magnets are used today: the electromagnet
and the ___ magnet.



Interlock - ANSWERS-Water chillers require an ___in the chiller control circuit to
ensure that the chilled water pump is operating before the water chiller
refrigeration unit operates.



Ventricular fibrillation - ANSWERS-When electricity flows near our through the
heart for only a short period of time, out can cause___ ___of the heart, in which
the heart only flutters instead of beats.



Magnetic field - ANSWERS-When electrons flow through a conductor in an electric
circuit a___ ___its created around that conductor.



Open - ANSWERS-



Furnace - ANSWERS-The air flow on most structures that use a fossil fuel for a
heat source have a___that would be used as an air supply.



Control loop - ANSWERS-Almost all control systems use a___to control the
temperature with in a given structure, space, or zone.



Troubleshooting - ANSWERS-A___chart is a graphical representation of a
troubleshooting procedure for a particular unit.

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