HVAC Test/Exam Bundled Resources with Complete Solution | Expert Verified 2024/2025 | Guaranteed Success

A control can be which of the following? a. electrical b. mechanical c. electrical and mechanical d. all of the above - d. all of the above A current magnetic relay opens and closes its contacts based on the ____. a. current in the start winding b. voltage across the start winding c. voltage...

The 2 classification of compressors are called? Positive displacement and kinetic displacement The 3 main ways that heat transfer takes place are by _____, _____, and _____? Convection, conduction and radiation 50/50 solder is made up of equal proportions of _____. Tin and lead 50F steam heat ...

A control can be which of the following? - All of the above (electrical, mechanical, electrical and mechanical) A current magnetic relay opens and closes its contacts based on the _____. - Current in the run winding A direct expansion type evaporator is also called a _____. - dry type evaporator...

____ are the particles that orbit the core of an atom - electrons ______ ________ is applied to each branch in a parallel circuit - source voltage ______ is equal through all parts of a series circuit - current ______ is the force that pushes free electrons through conductors - voltage _______ _...

A bearing used on the bottom of a motor where the shaft is positioned vertically is called a ____________ bearing. - thrust A bellows is used: - in both pressure and temperature controllers A common refrigerant leak detection device is the: - halide torch. A direct drive pump often uses a ______...

________ can be caused for leak detection with all high pressure refrigerants - Soap bubbles 10 lbs. of refrigerant passing through a water cooled condenser will lose 20 BTU's of heat per lb. If 10 lbs. of water passes through the condenser with an entering temperature of 80°f. The temperature o...

a ________ is used to measure the amount of CO2 in the flue product - CO2/O2 indicator a 14-gauge soild copper wire would require____amp circuit protection - 15 amps a 50/50 solder is a combination of lead and - tin a bourdon tube is often found in a - pressure gauge a day-ton of refartion is th...

________ is the volume of a substance per unit of the substance - specific volume _____________ is the measurement of sensible heat - dry bulb temp ____________is the point that represents the properties of air before it goes through a process - initial condition -Wet-Bulb temp - temp (degrees F...