R-410A CERTIFICATION EXAM
QUESTIONS WITH SOLVED 100%
CORRECT ANSWERS!!
1 of
51
Ter
m
What is the negative result of a Near- Azeotropic blend
Fractionalizing?
Give this one a try
later!
This can cause the components
of the blend to leak at uneven It has a larger temperature glide.
rates, due to
the varying Vapor Pressures.
, The compressors all have increased
125 degrees f
wall thickness.
Don't know?
2 of 51
Term
What must be be done to avoid Fractionation of a blended
Refrigerant?
Give this one a try later!
Will Not fractionate.....has no Remaining refrigerant is ok to
temperature glide....is a single use, because r-410a has a low
component refrigerant fractionation rate.
The Refrigerant has to be
The refrigerant could be flammable.
charged as a blended liquid.
Don't
know?
, 3 of 51
Term
All service equipment used on R- 410A systems, must be capable
of doing what?
Give this one a try later!
Absolute discharge pressure
250 psig with a 550 psig retard divided by absolute suction
pressure
The equipment must be The compressors all have increased
rated for higher pressures wall thickness.
Don't
know?
4 of 51
Term
The closer a blend comes to being a true Azeotropic, what can be
said of the Temperature Glide?
Give this one a try later!
The compressors all have increased
The refrigerant could be flammable.
wall thickness.
, The glide in temperature The refrigerant has to be charged
will decrease as a blended liquid.
Don't know?
5 of 51
Term
At what pressure does the Service Hoses have to be rated for, on an
R- 410A System?
Give this one a try later!
800 psig 1000 psig
550 to 625 psig
2500 psig
Don't know?
6 of 51
Term
What type of Recovery Cylinders must be used with R- 410A?
Give this one a try later!
QUESTIONS WITH SOLVED 100%
CORRECT ANSWERS!!
1 of
51
Ter
m
What is the negative result of a Near- Azeotropic blend
Fractionalizing?
Give this one a try
later!
This can cause the components
of the blend to leak at uneven It has a larger temperature glide.
rates, due to
the varying Vapor Pressures.
, The compressors all have increased
125 degrees f
wall thickness.
Don't know?
2 of 51
Term
What must be be done to avoid Fractionation of a blended
Refrigerant?
Give this one a try later!
Will Not fractionate.....has no Remaining refrigerant is ok to
temperature glide....is a single use, because r-410a has a low
component refrigerant fractionation rate.
The Refrigerant has to be
The refrigerant could be flammable.
charged as a blended liquid.
Don't
know?
, 3 of 51
Term
All service equipment used on R- 410A systems, must be capable
of doing what?
Give this one a try later!
Absolute discharge pressure
250 psig with a 550 psig retard divided by absolute suction
pressure
The equipment must be The compressors all have increased
rated for higher pressures wall thickness.
Don't
know?
4 of 51
Term
The closer a blend comes to being a true Azeotropic, what can be
said of the Temperature Glide?
Give this one a try later!
The compressors all have increased
The refrigerant could be flammable.
wall thickness.
, The glide in temperature The refrigerant has to be charged
will decrease as a blended liquid.
Don't know?
5 of 51
Term
At what pressure does the Service Hoses have to be rated for, on an
R- 410A System?
Give this one a try later!
800 psig 1000 psig
550 to 625 psig
2500 psig
Don't know?
6 of 51
Term
What type of Recovery Cylinders must be used with R- 410A?
Give this one a try later!
