Reta Test 1 / RETA CARO TEST 1 / RETACARO TEST 1 EXAM
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Course
RETA CARO TET 1 / RETACARO
Institution
RETA CARO TET 1 / RETACARO
Reta Test 1 / RETA CARO TEST 1 / RETACARO TEST 1 EXAM
what does temperature indicate - ANSWER-intensity of heat energy in an object
what is required to move heat from one object to another - ANSWER-temperature difference
Reta Test 1 / RETA
CARO TEST 1 /
RETACARO TEST 1
EXAM
what does temperature indicate - ✔✔✔ANSWER-intensity of heat energy in an
object
what is required to move heat from one object to another - ✔✔✔ANSWER-
temperature difference
, which of these is required to obtain a valid reading from a pressure temperature
chart - ✔✔✔ANSWER-the refrigerant must be in a saturated condition
which of these is an essential component of a mechanical refrigeration system -
✔✔✔ANSWER-expansion device
what is a function of a compressor in a mechanical refrigeration system -
✔✔✔ANSWER-to accept vapor from the evaporator and compress it to increase
its pressure and temperature
which of these accurately describes subcooled liquid - ✔✔✔ANSWER-liquid
cooled below at saturation pressure
what does the term compression ratio refer to - ✔✔✔ANSWER-the ratio of
discharge pressure to suction pressure in PSIA
which refrigerant is more forgiving to moisture in the refrigeration system -
✔✔✔ANSWER-R-717
which of these is most likely to occur when air leaks into a refrigeration system -
✔✔✔ANSWER-an increase in compressor discharge pressure
which of these is the greatest risk from closing valves on each end of a liquid line
between a liquid pump and an evaporator during maintenance of an ammonia
refrigeration system - ✔✔✔ANSWER-rupture of the line if the liquid warms
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