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EPA 608 Exam Questions & Answers Updated Solution.
The state of the refrigerant entering the metering device is? - ans - a subcooled high pressure liquid. What type of refrigerant is used in very high-pressure appliances? - ans - r-503 What type of refrigerant is used in medium pressure appliances? - ans - r-500 What type of refrigerant is used in high pressure appliances? - ans - r-410a and r-22
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The state of the refrigerant entering the metering device is? - ans - a subcooled high pressure liquid. What type of refrigerant is used in very high-pressure appliances? - ans - r-503 What type of refrigerant is used in medium pressure appliances? - ans - r-500 What type of refrigerant is used in high pressure appliances? - ans - r-410a and r-22
Epa 608 Type 3 Questions & Answers Updated Solution.
On low pressure chillers, moisture typically enters the refrigerant system through - ANS - air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - ANS - 10 psig A hydrostatic tube test kit is used to: - ANS - determine if a tube leaks
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On low pressure chillers, moisture typically enters the refrigerant system through - ANS - air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - ANS - 10 psig A hydrostatic tube test kit is used to: - ANS - determine if a tube leaks
EPA 608 Core 2 Exam Questions & Answers Updated Solution
R123 - ANS - HCFC CFC's were no longer manufactured or imported into the US after - ANS - 1995 When using nitrogen to pressurize a system you should always? - ANS - charge through a pressure regulator The EPA requires the installation of a service repair aperture or process stub on all appliances using s class 1 or 2 substance as a refrigerant. The main purpose is to make it easier to - ANS - recover refrigerant R500 - ANS - CFC It has been illegal to vent substitutes for ...
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R123 - ANS - HCFC CFC's were no longer manufactured or imported into the US after - ANS - 1995 When using nitrogen to pressurize a system you should always? - ANS - charge through a pressure regulator The EPA requires the installation of a service repair aperture or process stub on all appliances using s class 1 or 2 substance as a refrigerant. The main purpose is to make it easier to - ANS - recover refrigerant R500 - ANS - CFC It has been illegal to vent substitutes for ...
EPA 608 Type 2 Exam Questions & Answers Updated Solution
1. Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: - ANS - pressurized nitrogen 2. When a new system has been assembled, the first thing to do is: - ANS - pressurize the system with inert gas and leak check 3. EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per year. - ANS - 35%
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1. Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: - ANS - pressurized nitrogen 2. When a new system has been assembled, the first thing to do is: - ANS - pressurize the system with inert gas and leak check 3. EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per year. - ANS - 35%
EPA 608 Type 3 Exam Questions & Answers Updated Solution
1. On low pressure chillers, moisture typically enters the refrigerant system through - ANS - air leaks from areas with gaskets or fittings 2. The maximum test pressure for leak testing a low pressure centrifugal is: - ANS - 10 psig 3. A hydrostatic tube test kit is used to: - ANS - determine if a tube leaks 4. Commercial and industrial process refrigeration systems must be repaired when the leak rate exceeds ____ of the charge per year. - ANS - 35%
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1. On low pressure chillers, moisture typically enters the refrigerant system through - ANS - air leaks from areas with gaskets or fittings 2. The maximum test pressure for leak testing a low pressure centrifugal is: - ANS - 10 psig 3. A hydrostatic tube test kit is used to: - ANS - determine if a tube leaks 4. Commercial and industrial process refrigeration systems must be repaired when the leak rate exceeds ____ of the charge per year. - ANS - 35%
EPA 608 Type 1 Exam Questions & Answers Updated Solution
1. Recovery equipment used for the service or repair of small appliances must be certified by an EPA approved lab if the recovery equipment was made after - ANS - November 15, 1993 2. Recovery devices made before 11-15-93 and are used for recovery of refrigerant from small appliances must be capable of: - ANS - recovering 80% of the refrigerant whether or not the compressor is operating or achieving a 4 inch vacuum under conditions of ARI 740-1993 3. EPA's definition of a small applia...
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1. Recovery equipment used for the service or repair of small appliances must be certified by an EPA approved lab if the recovery equipment was made after - ANS - November 15, 1993 2. Recovery devices made before 11-15-93 and are used for recovery of refrigerant from small appliances must be capable of: - ANS - recovering 80% of the refrigerant whether or not the compressor is operating or achieving a 4 inch vacuum under conditions of ARI 740-1993 3. EPA's definition of a small applia...
FDNY COF P-98 Exam Questions & Answers Updated Solution
Carbon dioxide and carbon monoxide - ANS - during the combustion process the carbon content unites with oxygen in the air and forms At 150% of maximum working pressure - ANS - hydro static testing on piping shall be tested 8k va - 200k va - ANS - large portable diesel generators that service office complexes, factories and power stations range from Primary air - ANS - what type of air is used to contact the oil prior to it leaving the nozzle
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Carbon dioxide and carbon monoxide - ANS - during the combustion process the carbon content unites with oxygen in the air and forms At 150% of maximum working pressure - ANS - hydro static testing on piping shall be tested 8k va - 200k va - ANS - large portable diesel generators that service office complexes, factories and power stations range from Primary air - ANS - what type of air is used to contact the oil prior to it leaving the nozzle
FDNY COF P-98 Test Questions & Answers Updated Solution
Suction pump - ANS - circulates the oil throughout the system Suction line - ANS - has to be 6 inches from the bottom of the tank for sediment not to be absorbed Vacuum gauge - ANS - a device that measures pressure below atmospheric pressure/is used to indicate to the operator whether there is an obstruction in the suction line Excessive vacuum readings - ANS - indicate that there is an obstruction in the suction line
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Suction pump - ANS - circulates the oil throughout the system Suction line - ANS - has to be 6 inches from the bottom of the tank for sediment not to be absorbed Vacuum gauge - ANS - a device that measures pressure below atmospheric pressure/is used to indicate to the operator whether there is an obstruction in the suction line Excessive vacuum readings - ANS - indicate that there is an obstruction in the suction line
FDNY COF P-98 supervise fuel oil piping & storage in buildings test Quiz's With Correct Detailed Answers
What are the two principal of fuel - ANS - Hydrogen and carbon During the combustion process the carbon content unites with oxygen in the air and forms what - ANS - Carbon dioxide and carbon monoxide What percent is the carbon content of fuel - ANS - About 85 % What is the percent of hydrogen content of fuel - ANS - About 14% Do diesel generators use primary air - ANS - No
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What are the two principal of fuel - ANS - Hydrogen and carbon During the combustion process the carbon content unites with oxygen in the air and forms what - ANS - Carbon dioxide and carbon monoxide What percent is the carbon content of fuel - ANS - About 85 % What is the percent of hydrogen content of fuel - ANS - About 14% Do diesel generators use primary air - ANS - No
FDNY COF P-98 Exam Questions With Correct Detailed Answers
1.- Where generally *Fuel-oil is used in buildings?* What purposes?* - ANS - Is used in *Stationary Equipment’s*, Two purposes: a) *Fuel Emergency Generators* b) *Fuel Equipment used to heat the building* 2.- What *COF is required* to supervise the *Fuel-oil transfer in the building from one floor to another?* - ANS - *P-98 and maintain all qualifications and comply w/ requirements applicable to such certificate holder* *The P-98 COF is premise-related* 3.- The use of the word *s...
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1.- Where generally *Fuel-oil is used in buildings?* What purposes?* - ANS - Is used in *Stationary Equipment’s*, Two purposes: a) *Fuel Emergency Generators* b) *Fuel Equipment used to heat the building* 2.- What *COF is required* to supervise the *Fuel-oil transfer in the building from one floor to another?* - ANS - *P-98 and maintain all qualifications and comply w/ requirements applicable to such certificate holder* *The P-98 COF is premise-related* 3.- The use of the word *s...
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