
#6 EPA 608 Type III
Authored by Mike Conway
Other
11th Grade - Professional Development
Used 352+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the pressure corresponding to 32°F for R-123.
23 inches of Hg vacuum
20 inches of Hg vacuum
17 inches of Hg vacuum
11 inches of Hg vacuum
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a typical advantage of a water cooled recovery unit?
Higher pressure at the recovery compressor's discharge.
Higher pressure in the recovery tank.
Faster recovery of large quantities of refrigerant.
Greater percentage of refrigerant recovered.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Which of the following statements about R-1233zd is FALSE?
It is a SNAP approved replacement for low-pressure centrifugal compressor systems.
It is being considered for applications where R-123 might have been used.
It is suitable for air conditioning applications where cooling water is used (large chiller applications).
It is mildly flammable.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following methods can be used to pressurize an R-1233zd system for the purpose of opening the system for a non-major repair?
Adding nitrogen to the system.
Warming the liquid refrigerant in the system.
Adding compressed air to the system's condenser.
Adding carbon dioxide to the system's condenser and evaporator
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true of recycling and recovery equipment?
It must be tested by an AHRI-approved third party.
It must be equipped with low-loss ball valves and flare fittings.
It must be able to handle more than one refrigerant.
It must be labeled as certified to meet EPA's requirements.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Starting in 2019, what is the leak rate threshold for industrial process refrigeration equipment with a full charge of 50 or more pounds of an HCFC refrigerant?
5%
10%
20%
30%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the rupture disc located on a centrifugal chiller?
Condenser
Evaporator
Liquid line
Economizer
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