Nocti Hvac Study Guide Exam Questions With Correct Answers
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Nocti Hvac
Institution
Nocti Hvac
Nocti Hvac Study Guide Exam Questions
With Correct Answers
An Hvac system that depends on the temperatures below the ground surface as an operation
factor is a .. - answerGeothermal heat pump
when putting out a fire involving oily rags use a ________ fire extinguisher? - answerClass
B
The bes...
Nocti Hvac Study Guide Exam Questions
With Correct Answers
An Hvac system that depends on the temperatures below the ground surface as an operation
factor is a .. - answer✔✔Geothermal heat pump
when putting out a fire involving oily rags use a ________ fire extinguisher? - answer✔✔Class
B
The best tool to open and close the stem access valve on a refrigeriation system is the_______ -
answer✔✔Refrigeration service wrench
Which power tool is best to cut steel rod? - answer✔✔Sawzall
CSST (steal tubing) connections - answer✔✔can be used with both natural and propane gas
equipment
The type of pipe commonly used for condensation drainage on central air conditioning system is
- answer✔✔PVC
When pressure testing completed copper tubing assembly with pressuried nitrogen the nitrogen
cylinder should - answer✔✔always be on the ground
connections should be permanently connected with_____ on drainage piping assemblies that
uses PVC piping - answer✔✔Glue specified for PVC pipe
Using oxygen to purge copper tubing after brasing - answer✔✔could cause and explosion
Two gases that considered non-condensable in a refrigeration - answer✔✔Air and Nitrogen
Residential air condition system have a super heat range of ____ degress under normal operating
conditions? - answer✔✔8 to 12
which is not a condition of low superheat on an air conditioning system - answer✔✔Refrigerant
undercharged
The reason that subcooling would be below 8 degrees on air conditiong system - answer✔✔dirty
or blocked condenser coil
a 14-gauge soild copper wire would require____amp circuit protection - answer✔✔15 amps
in a 24V circuit containing a switch and coil, it will read 24V at the coil if the -
answer✔✔switched is closed
A theremocouple produces _______ when heat is applied - answer✔✔DC voltage
in 120VC AC circuit, if the total circuit draws 5 amps the wattage is - answer✔✔600
Capacitors are rated in - answer✔✔Volts and micro farads
The refrigerant enter the condenser as a - answer✔✔High pressure vapor
the compressor's main function is to - answer✔✔create presssure diffrence
scroll compressors are cooled by Ac and - answer✔✔Suction vaper
what tool is used to check the gas pressure - answer✔✔Manometers
a sub- base of a T-stat should be mounted - answer✔✔level
For complete combustion in a boiler or furnance to occur,_______ should _____ be present -
answer✔✔Oxygen, Spark, and fuel
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