ESCO 608 Online Test Questions and Answers With Verified Solutions 2025
Which ASHRAE classification means slightly flammable? - ✔✔A2L, B2L
Which ASHRAE classification means No flammability? - ✔✔A1, B1
Which ASHRAE classification means High flammability? - ✔✔A3, B3
Which ASHRAE classification means low flammability? - ✔✔A2, B2
The compressor - ✔✔changes a low-pressure vapor to a high-pressure vapor.
The low-side test-pressure data-plate value should be used by a technician to determine a safe pressure
for - ✔✔leak testing
What has the highest Ozone Depletion Potential? - ✔✔CFC
What refrigerant has a GWP of "1"? - ✔✔R-1233zd
Which of the following refrigerants is an HFO? - ✔✔R-1234ze
The condenser - ✔✔changes a high-pressure vapor to a high-pressure liquid.
Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? - ✔✔5
years
Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants? - ✔✔HFO
Which ASHRAE classification means slightly flammable? - ✔✔A2L, B2L
Which ASHRAE classification means No flammability? - ✔✔A1, B1
Which ASHRAE classification means High flammability? - ✔✔A3, B3
Which ASHRAE classification means low flammability? - ✔✔A2, B2
The compressor - ✔✔changes a low-pressure vapor to a high-pressure vapor.
The low-side test-pressure data-plate value should be used by a technician to determine a safe pressure
for - ✔✔leak testing
What has the highest Ozone Depletion Potential? - ✔✔CFC
What refrigerant has a GWP of "1"? - ✔✔R-1233zd
Which of the following refrigerants is an HFO? - ✔✔R-1234ze
The condenser - ✔✔changes a high-pressure vapor to a high-pressure liquid.
Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? - ✔✔5
years
Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants? - ✔✔HFO
