| TYPE II Questions A-2 II (1) |
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1.
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The condition and state of the refrigerant
leaving the accumulator of a system is: |
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A. Superheated
High Pressure Vapor |
C. Superheated low pressure vapor |
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B. Sub
cooled high pressure vapor |
D.
Sub cooled low pressure vapor |
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2.
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A____________ type refrigerant has different
saturated vapor pressures at the same temperature in the
evaporator and in the condenser of the refrigeration system.
The term used to describe this condition is called "temperature
glide" |
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A. Azeotrope |
C. Blended |
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B. Near - azeotrope |
D. B and C |
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3.
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Deep Vacuums used for evacuation and dehydration of systems
are measured in: |
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A. psig |
C. inches Hg |
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B. psia |
D. microns |
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4.
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The only refrigerant approved by the EPA to
be used as a trace gas with nitrogen to test for a leak (except
for systems using R-134a) is: |
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A. R-11 |
C. R-500 |
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B. R-22 |
D. R-12 |
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