esco
heat
/
pump exam questions with correct answers
/ / / / / /
What
/unit
/of
/measure
/indicates
/pressures
/below
/atmospheric? /-
/correct
/answer(s)
/✔✔ /hg, /inches /of /mercury, /PSIA, /psia, /in. /hg, /in. /HG, /in. /Hg, /inches /HG, /inches /Hg, /inches /hg
Atmospheric /pressure /is /
______________
/ psia /at /sea /leve /- /correct /answer(s) /✔✔ /14.7
Refrigeration /is /defined /as /the /movement /of /___________________
/from /
a
/area /where /its /not /wanted, /to /an /area /where /it /is /less /objectionable. /- /correct /answer(s) /✔✔
/heat
As /refrigerant /absorbs /heat, /it /changes /from /a /
__________________ /to /a /_______________
,. /- /correct /answer(s) /✔✔ /liquid /vapor
Superheat /vapor /is /a /gas /that /has /been /heated /to /a /temperature /____________
its /saturation /point. /- /correct /answer(s) /✔✔ /above
/
During
/the
/heating
/cycle,
/the
/outdoor
/coil /of /a /heat /pump /become /the /___________________ /- /correct /answer(s) /✔✔ /evaporator
During
/the
/cooling
/cycle,
/the
/indoor /coil /of /a /heat /pump /becomes /the /_____________ /- /correct /answer(s) /✔✔ /evaporator
When /
a
/heat
/pump
/system
/goes
/into
/defrost
/mode,
/what
/process
/takes
/place
,/so
/that /system /can /continue /to /provide /heat /to /the /structure? /- /correct /answer(s) /✔✔ /aux /heat
A
/measurement
/of
/the
/speed /or /motion /of /molecules /in /a /substance /called. /- /correct /answer(s) /✔✔ /temperature
Name
/two
/common
/temperature /scales /used /to /measure /air /temperature. /- /correct /answer(s) /✔✔ /Celsius,
Fahrenheit
What /does /ambient /mean? /- /correct /answer(s) /✔✔ /tempature /surrounding /an /area /or /object
What
/is /
a /wet /bulb /temperature /used /for? /- /correct /answer(s) /✔✔ /to /measure /the /moisture /in /the /air
/and /air /temp
What /is /dew /point? /- /correct /answer(s) /✔✔ /point /at /which /condensation /occurs.
What /is /pressure? /- /correct /answer(s) /✔✔ /force /per /unit /area
What /does /PSIG /stand /for? /- /correct /answer(s) /✔✔ /per /square /inch /gauge
The /three /methods /of /heat /transfer /are /- /correct /answer(s) /✔✔ /convection, /conduction
, /and /radiation
, .
Heat /always /travel /from /- /correct /answer(s) /✔✔ /hot /to /cold
What /method /does /refrigerant /reject /heat /- /correct /answer(s) /✔✔ /condenser
What /is /the /pressure /of /410A /at /30
F? /- /correct /answer(s) /✔✔ /97.5
What /is /the /temperature /of /410A /at /418 /psig /- /correct /answer(s) /✔✔ /120
In
/order
/list
/the
/three
/processes
/that
/refrigerant
/goes
/through
/in /the /condenser /- /correct /answer(s) /✔✔ /desuperheat, /vapor /to /liquid, /and /subcooled
In
/order
/list
/the
/two
/processes
/that
/refrigerant
/goes /through /in /the /evaporator /- /correct /answer(s) /✔✔ /evaporation, /then /vaporized.
heat
/
pump exam questions with correct answers
/ / / / / /
What
/unit
/of
/measure
/indicates
/pressures
/below
/atmospheric? /-
/correct
/answer(s)
/✔✔ /hg, /inches /of /mercury, /PSIA, /psia, /in. /hg, /in. /HG, /in. /Hg, /inches /HG, /inches /Hg, /inches /hg
Atmospheric /pressure /is /
______________
/ psia /at /sea /leve /- /correct /answer(s) /✔✔ /14.7
Refrigeration /is /defined /as /the /movement /of /___________________
/from /
a
/area /where /its /not /wanted, /to /an /area /where /it /is /less /objectionable. /- /correct /answer(s) /✔✔
/heat
As /refrigerant /absorbs /heat, /it /changes /from /a /
__________________ /to /a /_______________
,. /- /correct /answer(s) /✔✔ /liquid /vapor
Superheat /vapor /is /a /gas /that /has /been /heated /to /a /temperature /____________
its /saturation /point. /- /correct /answer(s) /✔✔ /above
/
During
/the
/heating
/cycle,
/the
/outdoor
/coil /of /a /heat /pump /become /the /___________________ /- /correct /answer(s) /✔✔ /evaporator
During
/the
/cooling
/cycle,
/the
/indoor /coil /of /a /heat /pump /becomes /the /_____________ /- /correct /answer(s) /✔✔ /evaporator
When /
a
/heat
/pump
/system
/goes
/into
/defrost
/mode,
/what
/process
/takes
/place
,/so
/that /system /can /continue /to /provide /heat /to /the /structure? /- /correct /answer(s) /✔✔ /aux /heat
A
/measurement
/of
/the
/speed /or /motion /of /molecules /in /a /substance /called. /- /correct /answer(s) /✔✔ /temperature
Name
/two
/common
/temperature /scales /used /to /measure /air /temperature. /- /correct /answer(s) /✔✔ /Celsius,
Fahrenheit
What /does /ambient /mean? /- /correct /answer(s) /✔✔ /tempature /surrounding /an /area /or /object
What
/is /
a /wet /bulb /temperature /used /for? /- /correct /answer(s) /✔✔ /to /measure /the /moisture /in /the /air
/and /air /temp
What /is /dew /point? /- /correct /answer(s) /✔✔ /point /at /which /condensation /occurs.
What /is /pressure? /- /correct /answer(s) /✔✔ /force /per /unit /area
What /does /PSIG /stand /for? /- /correct /answer(s) /✔✔ /per /square /inch /gauge
The /three /methods /of /heat /transfer /are /- /correct /answer(s) /✔✔ /convection, /conduction
, /and /radiation
, .
Heat /always /travel /from /- /correct /answer(s) /✔✔ /hot /to /cold
What /method /does /refrigerant /reject /heat /- /correct /answer(s) /✔✔ /condenser
What /is /the /pressure /of /410A /at /30
F? /- /correct /answer(s) /✔✔ /97.5
What /is /the /temperature /of /410A /at /418 /psig /- /correct /answer(s) /✔✔ /120
In
/order
/list
/the
/three
/processes
/that
/refrigerant
/goes
/through
/in /the /condenser /- /correct /answer(s) /✔✔ /desuperheat, /vapor /to /liquid, /and /subcooled
In
/order
/list
/the
/two
/processes
/that
/refrigerant
/goes /through /in /the /evaporator /- /correct /answer(s) /✔✔ /evaporation, /then /vaporized.
