esco heat pump Exam Questions and Answers 100% Pass

esco heat pump Exam Questions and
Answers 100% Pass

What unit of measure indicates pressures below atmospheric? - ANSWER-hg,
inches of mercury, PSIA, psia, in. hg, in. HG, in. Hg, inches HG, inches Hg, inches
hg



Question: Atmospheric pressure is

______________

psia at sea leve - ANSWER-14.7



Question: Refrigeration is defined as the movement of ___________________

from a area where its not wanted, to an area where it is less objectionable. -
ANSWER-heat



Question: As refrigerant absorbs heat, it changes from a

__________________ to a _______________

. - ANSWER-liquid vapor



Question: Superheat vapor is a gas that has been heated to a temperature
____________

,its saturation point. - ANSWER-above



Question: During the heating cycle, the outdoor coil of a heat pump become the
___________________ - ANSWER-evaporator



Question: During the cooling cycle, the indoor coil of a heat pump becomes the
_____________ - ANSWER-evaporator



Question: When a heat pump system goes into defrost mode, what process takes
place so that system can continue to provide heat to the structure? - ANSWER-aux
heat



Question: A measurement of the speed or motion of molecules in a substance
called. - ANSWER-temperature



Question: Name two common temperature scales used to measure air temperature.
- ANSWER-Celsius,

Fahrenheit



Question: What does ambient mean? - ANSWER-tempature surrounding an area
or object

, Question: What is a wet bulb temperature used for? - ANSWER-to measure the
moisture in the air and air temp



Question: What is dew point? - ANSWER-point at which condensation occurs.



Question: What is pressure? - ANSWER-force per unit area



Question: What does PSIG stand for? - ANSWER-per square inch gauge



Question: The three methods of heat transfer are - ANSWER-convection,
conduction

, and radiation

.



Question: Heat always travel from - ANSWER-hot to cold



Question: What method does refrigerant reject heat - ANSWER-condenser



Question: What is the pressure of 410A at 30

F? - ANSWER-97.5



Question: What is the temperature of 410A at 418 psig - ANSWER-120