Nocti Hvac Study Guide Exam Questions With Correct Answers
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Nocti Hvac
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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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