HVAC-R FINAL EXAM 2024/2025 WITH
100% ACCURATE SOLUTIONS
Transformers are normally rated in? - Precise Answer ✔✔volt amps
An insulated jumper may be used to temporarily jump a component in an electrical circuit(true or false)?
- Precise Answer ✔✔true
When using a 10 wrap multiplier the reading on the meter must be? - Precise Answer ✔✔divided by 10
An electrical line wiring diagram is often called? - Precise Answer ✔✔ladder diagram
A wiring diagram that shows the approximate location of components is called? - Precise Answer
✔✔pictorial diagram
A 10 wrap amperage multiplier is used with a? - Precise Answer ✔✔clamp on ammeter
An electrical component consuming power is? - Precise Answer ✔✔load
A heat anticipator in a thermostat is often a ? - Precise Answer ✔✔variable resistor
Continuity through a heating relay can be checked with an? - Precise Answer ✔✔ohmmeter
The line side of a switch is? - Precise Answer ✔✔the side nearest the power source
When using a meter to measure voltage, the range should be? - Precise Answer ✔✔higher than the
voltage you are working on
, Potential voltage is a term that indicates? - Precise Answer ✔✔voltage between two power legs of a
power supply
Most hermetic compressors are cooled by? - Precise Answer ✔✔suction gas going back to compressor
A cold anticipator is? - Precise Answer ✔✔a fixed resistor in a cooling thermostat used to start a cooling
system prematurely
How is the cold anticipator wired? - Precise Answer ✔✔parallel with cooling contacts
What are two types of motor temperature protection devices? - Precise Answer ✔✔bimetal and
thermistor
The low voltage thermostat is energized by a ? - Precise Answer ✔✔transformer
What is meant by the term, Temperature of ambient air? - Precise Answer ✔✔temperature of
surrounding air
The heating thermostat {BLANK} on a rising temperature? - Precise Answer ✔✔opens
Three type of insulators are? - Precise Answer ✔✔rubber plastic glass
The difference of cut-in and cut-out of a control is? - Precise Answer ✔✔differential
What part of an atom moves from one atom to another? - Precise Answer ✔✔electron
What charge does an electron have? - Precise Answer ✔✔negative
The pressure control can be an operating control on a? - Precise Answer ✔✔safety control
100% ACCURATE SOLUTIONS
Transformers are normally rated in? - Precise Answer ✔✔volt amps
An insulated jumper may be used to temporarily jump a component in an electrical circuit(true or false)?
- Precise Answer ✔✔true
When using a 10 wrap multiplier the reading on the meter must be? - Precise Answer ✔✔divided by 10
An electrical line wiring diagram is often called? - Precise Answer ✔✔ladder diagram
A wiring diagram that shows the approximate location of components is called? - Precise Answer
✔✔pictorial diagram
A 10 wrap amperage multiplier is used with a? - Precise Answer ✔✔clamp on ammeter
An electrical component consuming power is? - Precise Answer ✔✔load
A heat anticipator in a thermostat is often a ? - Precise Answer ✔✔variable resistor
Continuity through a heating relay can be checked with an? - Precise Answer ✔✔ohmmeter
The line side of a switch is? - Precise Answer ✔✔the side nearest the power source
When using a meter to measure voltage, the range should be? - Precise Answer ✔✔higher than the
voltage you are working on
, Potential voltage is a term that indicates? - Precise Answer ✔✔voltage between two power legs of a
power supply
Most hermetic compressors are cooled by? - Precise Answer ✔✔suction gas going back to compressor
A cold anticipator is? - Precise Answer ✔✔a fixed resistor in a cooling thermostat used to start a cooling
system prematurely
How is the cold anticipator wired? - Precise Answer ✔✔parallel with cooling contacts
What are two types of motor temperature protection devices? - Precise Answer ✔✔bimetal and
thermistor
The low voltage thermostat is energized by a ? - Precise Answer ✔✔transformer
What is meant by the term, Temperature of ambient air? - Precise Answer ✔✔temperature of
surrounding air
The heating thermostat {BLANK} on a rising temperature? - Precise Answer ✔✔opens
Three type of insulators are? - Precise Answer ✔✔rubber plastic glass
The difference of cut-in and cut-out of a control is? - Precise Answer ✔✔differential
What part of an atom moves from one atom to another? - Precise Answer ✔✔electron
What charge does an electron have? - Precise Answer ✔✔negative
The pressure control can be an operating control on a? - Precise Answer ✔✔safety control
