EPA 608 Core
Quiz by Ryan Mcguinness
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- Q1
If a system has a leak it will?
A. not operate
D. not effect the system
B. have a loss of air
C. not hold a vacuum
30sEditDelete - Q2
The ozone depletion problem is
a. regional
b. global
c. local
d. not an issue
30sEditDelete - Q3
Ozone contains how many oxygen atoms?
b. 2
c. 1
d. 0
a. 3
30sEditDelete - Q4
Chlorine molecules cause what?
a. refrigerant breakdown
b. oil breakdown
d. ozone depletion
c. system failure
30sEditDelete - Q5
CFC's have the ___________ ozone depletion potential?
c. lowest
b. highest
a. least
d. No ozone depletion potential
30sEditDelete - Q6
Chlorofluorocarbon refrigerants contain ______________.
a. chlorine, fluorine, and carbon
d. chlorine, fluoride, and carbon
b. carbon, hydrogen, and phosphor
c. chlorine hydrogen, and carbon
30sEditDelete - Q7
R12 is a___________
d. none of the above
b. HCFC
a. HFC
c. CFC
30sEditDelete - Q8
All refrigerants must be _________
c. low pressure
b. high pressure
d. purged
a. recovered
30sEditDelete - Q9
Red gauge is the ___________ of the system
d. high side
a. low side
c. back pressure
b. suction side
30sEditDelete - Q10
Blue gauge is the compound gauge reading both _____________
c. low pressure and vacuum
a. high and low pressure
d. discharge pressure and vacuum
b. high pressure and vacuum
30sEditDelete - Q11
There are no drop-in________________
b. oils
c. compressors
a. refrigerants
30sEditDelete - Q12
Disposable cylinders are never to be _________________
b. both a and c
d. none of the above
a. recycled as scrap metal
c. used to recover refrigerants
30sEditDelete - Q13
Yellow tops and gray bodies are the color code for approved _______ cylinders.
c. R-12
a. 500
d. recovery
b. 134a
30sEditDelete - Q14
A system cannot be over ___________
a. evacuated
c. heated
b. charged
30sEditDelete - Q15
State and local laws must follow the Clean Air Act/ EPA regulation _______________
d. only for residential systems
a. only for commercial systems
c. but can be more strict
b. only if part of the mechanical code
30sEditDelete - Q16
A person supplying information on intentional vent can be paid up to ____________
b. 10,000
c. 1,000
100,000
a. 25,000
30sEditDelete - Q17
The U.S. is solving the problem of ozone depletion by capturing and ultimately eliminating the use of ___________
c. all refrigerants
d. HCFC's
b. HFC's
a. CFC's
30sEditDelete - Q18
Hygroscopic oil readily absorbs_________
a. refrigerant
c. scale
d. sludge
b. moisture
30sEditDelete - Q19
The low side gauge is ___________
c. blue
a. red
b. green
d. purple
30sEditDelete - Q20
The high side gauge is _________
c. yellow
d. black
b. blue
a. red
30sEditDelete