SkillCat EPA 608 EXAM PREP /GRADED
A+
1. A "major repair" under EPA's regulations would be - ANSWER-Replacing
Condenser /compressor/ auxiliary heat exchanger/ evaporator
2. A crankcase heater is often used to prevent refrigerant from mixing
with compressor oil during periods of: - ANSWER-Low ambient
temperature
3. A customer has an industrial process refrigeration system that has
1000lbs of R-22 that has exceeded the applicable leak rate threshold.
How often is the customer required to perform a leak inspection? -
ANSWER-Every 3 months
4. A hermetic recovery machine when drawing deep vacuums will -
ANSWER-Over heat due to reduced flow of refrigerant through the
compressor
5. A hydrostatic tube test kit will - ANSWER-determine if a tube leaks
6. A major repair under EPAs regulations would be - ANSWER-Replacing a
condenser coil
7. A recovery machine is required for appliances with _ lbs or more of
refrigerant - ANSWER-15 lbs
8. A strong odor is around during the recovery process. Which of the
following could be the culprit - ANSWER-Compressor burnout
,9. A technician has to make a major repair in an appliance having 1000
pounds of r407c he must evacuate the system to which of the following
levels - ANSWER-10 inches of hg vacuum
10. A technique to speed up the recovery process is - ANSWER-Cool
the recovery cylinder
11. A zeotropic blend will contain - ANSWER-Two saturation valves
that are far apart
12. Access fittings - ANSWER-Are used to gain access to type 1
appliances
13. According to ASHRAE Guideline 3 the system should be checked
for leaks if during a standard vacuum test the pressure in a system
rises from 1 mm hg to a level above - ANSWER-2.5 hg
14. After being phased out, where can technicians obtain refrigerant
to service equipment that contains that refrigerant? - ANSWER-From
recovered or reclaimed refrigerant
15. After refrigerant is phased out can equipment still contain
refrigerant - ANSWER-Yes
16. After refrigerant is phased out can technicians service equipment
containing that refrigerant - ANSWER-Yes
17. After refrigerant liquid has been recovered from a appliance any
remaining vapor is - ANSWER-removed by the recovery system
, 18. After the evaporator which component does the refrigerant go to
next - ANSWER-Compressor
19. After the refrigerant leaves the purge unit where does it go -
ANSWER-Evaporator
20. Air will cause _____ discharge pressures in a refrigeration system.
- ANSWER-higher
21. Alkylbenzene (AB) oil is used for systems with which of the
following refrigerants - ANSWER-HCFC, HCFC blends
22. All hvac systems must be protected by a - ANSWER-Pressure
relief valve
23. An equipment has an appliance that uses r717 under ashrae
standard 15 which piece of equipment is not compulsory in the room -
ANSWER-Refrigerant detector
24. As technicians we must stay up to date on - ANSWER-Federal
state and local law
25. As the temperature of a liquid increases what phase does it turn
into - ANSWER-Vapor
26. ASHRAE standard 15 - 2013 requires the use of room sensors and
alarms to detect refrigerant leaks of - ANSWER-All safety groups
27. ASHRAE Standard 15-2013 requires which equipment to detect
refrigerant leaks? - ANSWER-Room sensors
A+
1. A "major repair" under EPA's regulations would be - ANSWER-Replacing
Condenser /compressor/ auxiliary heat exchanger/ evaporator
2. A crankcase heater is often used to prevent refrigerant from mixing
with compressor oil during periods of: - ANSWER-Low ambient
temperature
3. A customer has an industrial process refrigeration system that has
1000lbs of R-22 that has exceeded the applicable leak rate threshold.
How often is the customer required to perform a leak inspection? -
ANSWER-Every 3 months
4. A hermetic recovery machine when drawing deep vacuums will -
ANSWER-Over heat due to reduced flow of refrigerant through the
compressor
5. A hydrostatic tube test kit will - ANSWER-determine if a tube leaks
6. A major repair under EPAs regulations would be - ANSWER-Replacing a
condenser coil
7. A recovery machine is required for appliances with _ lbs or more of
refrigerant - ANSWER-15 lbs
8. A strong odor is around during the recovery process. Which of the
following could be the culprit - ANSWER-Compressor burnout
,9. A technician has to make a major repair in an appliance having 1000
pounds of r407c he must evacuate the system to which of the following
levels - ANSWER-10 inches of hg vacuum
10. A technique to speed up the recovery process is - ANSWER-Cool
the recovery cylinder
11. A zeotropic blend will contain - ANSWER-Two saturation valves
that are far apart
12. Access fittings - ANSWER-Are used to gain access to type 1
appliances
13. According to ASHRAE Guideline 3 the system should be checked
for leaks if during a standard vacuum test the pressure in a system
rises from 1 mm hg to a level above - ANSWER-2.5 hg
14. After being phased out, where can technicians obtain refrigerant
to service equipment that contains that refrigerant? - ANSWER-From
recovered or reclaimed refrigerant
15. After refrigerant is phased out can equipment still contain
refrigerant - ANSWER-Yes
16. After refrigerant is phased out can technicians service equipment
containing that refrigerant - ANSWER-Yes
17. After refrigerant liquid has been recovered from a appliance any
remaining vapor is - ANSWER-removed by the recovery system
, 18. After the evaporator which component does the refrigerant go to
next - ANSWER-Compressor
19. After the refrigerant leaves the purge unit where does it go -
ANSWER-Evaporator
20. Air will cause _____ discharge pressures in a refrigeration system.
- ANSWER-higher
21. Alkylbenzene (AB) oil is used for systems with which of the
following refrigerants - ANSWER-HCFC, HCFC blends
22. All hvac systems must be protected by a - ANSWER-Pressure
relief valve
23. An equipment has an appliance that uses r717 under ashrae
standard 15 which piece of equipment is not compulsory in the room -
ANSWER-Refrigerant detector
24. As technicians we must stay up to date on - ANSWER-Federal
state and local law
25. As the temperature of a liquid increases what phase does it turn
into - ANSWER-Vapor
26. ASHRAE standard 15 - 2013 requires the use of room sensors and
alarms to detect refrigerant leaks of - ANSWER-All safety groups
27. ASHRAE Standard 15-2013 requires which equipment to detect
refrigerant leaks? - ANSWER-Room sensors
