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HVAC Test/Exam Bundled Resources with Complete Solution | Expert Verified 2024/2025 | Guaranteed Success
HVAC Test/Exam Bundled Resources with Complete Solution | Expert Verified 2024/2025 | Guaranteed Success
[Mostrar más]HVAC Test/Exam Bundled Resources with Complete Solution | Expert Verified 2024/2025 | Guaranteed Success
[Mostrar más]_____, _____, _____ & _____ is the refrigeration cycle? - Expansion; evaporation; compression & 
condensation 
A 230 volt PFC compressor tries to start at 184 volts and trips on overload protection, the starting 
torque of the motor is _____? - Decrease by lower voltage 
A A/C system with zone contr...
Vista previa 2 fuera de 9 páginas
Añadir al carrito_____, _____, _____ & _____ is the refrigeration cycle? - Expansion; evaporation; compression & 
condensation 
A 230 volt PFC compressor tries to start at 184 volts and trips on overload protection, the starting 
torque of the motor is _____? - Decrease by lower voltage 
A A/C system with zone contr...
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...
Vista previa 3 fuera de 26 páginas
Añadir al carritoA 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 ...
Vista previa 4 fuera de 86 páginas
Añadir al carritoThe 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...
Vista previa 2 fuera de 10 páginas
Añadir al carritoA 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 
_______ _...
Vista previa 2 fuera de 8 páginas
Añadir al carrito____ 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 ______...
Vista previa 2 fuera de 12 páginas
Añadir al carritoA 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...
Vista previa 2 fuera de 9 páginas
Añadir al carrito________ 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...
Vista previa 2 fuera de 12 páginas
Añadir al carritoa ________ 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...
Vista previa 1 fuera de 4 páginas
Añadir al carrito________ 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...
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