hvac interview Archives - Fully4world

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Rotary Compressor Back Pressure fix problem

In English Rotary Compressor Back Pressure fix problem Sometimes Rotary Compressor hit Back Pressure (Reverse Pressure). and then Our Compressor will damage and AC will not Cooling.  How we can Solve this? We should Check his by Remove the oil from the compressor. The compressor has to be reversed to extract the oil and stay

Electrical Fault and Mechanical Fault in RAC and HVAC

Electrical Fault and Mechanical Fault in RAC and HVAC In Rac / HVAC field  we face faults. but we don’t know that which type of fault is which Type. if we apply in a Company in our country or in another country for RAC or HVAC then we should know this information. Faults have 2

Top Question Interview RAC and HVAC

Q1 – Which unit is used Capillary tube? A ) Refrigerator, Deep Freezer, Water Cooler, AC B ) Commercial Unit Plant Type AC C ) Washing Machine Q2 – How many BTUs are in 1 ton AC? A ) 12000 BTU B ) 24000 BTU C ) 18000 BTU Q3 – What is the compressor’s