HVR 110 HVAC FINAL EXAM LATEST 2024-2025 WITH ACTUAL QUESTIONS
AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100%
GUARANTEED PASS!
Furnace - ANSWER-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 - ANSWER-Almost all control systems use a___to control the
temperature with in a given structure, space, or zone.
Troubleshooting - ANSWER-A___chart is a graphical representation of a
troubleshooting procedure for a particular unit.
Overload - ANSWER-A___is an electrical device that protects a load from a high
ampere draw by breaking a set of contacts.
Current sensing lockout relay - ANSWER-A___is an overload device that senses
the current draw of the compressor through the lockout loop(LL).
Bearing - ANSWER-A___is the part of a rotating electric device that allows free
movement.
, Separator - ANSWER-Ball bearings are designed with an inner and an outer
ring, which enclose the balls by use of a___.
Thermostat - ANSWER-The basic control cycle of a gas heating appliance is
initiated when a switch, usually a___, closes to call for heat.
125 - ANSWER-The chemical composition of contacts is such that they operate
at cooltemperatures of up to___%of their current carrying capacity.
Energized - ANSWER-The contacts of a contactor make a complete circuit when
the contactor is___, allowing voltage to flow to the controlled load.
Open - ANSWER-The device must be energized to check normally___contacts.
Pictorial wiring - ANSWER-The___ ___ diagram is a picture of the control panel
and is sometimes called a component arrangement diagram.
Open type - ANSWER-___electric motors will fail in three different areas;
windings, centrifugal switch, and bearings.
Controlling - ANSWER-The___element of a thermostat is the part that moves
when a change in temperature is sensed.
Thermostat - ANSWER-The evaporator fan motor is controlled by an indoor fan
relay controlled by the___.
Air to air - ANSWER-The___heat pump uses air as the heat transfer medium in
both the indoor and outdoor coils.
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