NATE
Heat
/
Pump Exam Questions With Correct Answers
/ / / / / /
Charging /a /heat /pump /with /refrigerant /is /best /accomplished /in /the /_______ /mode.
/ A: /Heating /mode
/ B: /Cooling /mode
/ C: /Defrost /mode
/ D: /Emergency /heating /mode /- /correct /answer(s) /✔✔ /B: /Cooling /mode
Heat
/pumps
/can
/provide
/both
/heating
/in /the /winter /and /cooling /in /the /summer. /In /which /mode /is /the /heat /pump /more /efficient?
/ A: /Heating /mode
/ B: /Cooling /mode
,C: /Defrost /mode
/
D: /Emergency /heating /mode /- /correct /answer(s) /✔✔ /A: /Heating /mode
/
Which /of /the /following /components /is /exclusive /to /the /heat /pump?
A: /Condenser
/
B: /Oil /separator
/
C: /Reversing /valve
/
D: /Accumulator /- /correct /answer(s) /✔✔ /C: /Reversing /valve
/
Which
/of
/the
/following
/airflow /rates /is /the /most /reasonable /for /a /heat /pump /system /operating /in /the /heating /cycle?
A: /200 /cfm /per /ton
/
B: /300 /cfm /per /ton
/
C: /400 /cfm /per /ton
/
D: /450 /cfm /per /ton /- /correct /answer(s) /✔✔ /D: /450 /cfm /per /ton
/
,During
/the
/heat
/pump's
/cooling
/cycle,
/the
/outdoor /coil /is /utilized /as /a /_________ /while /the /indoor /coil /is /utilized /as /a____________.
A: /Condenser, /evaporator
/
B: /Evaporator, /condenser
/
C: /Compressor, /accumulator
/
D: /Accumulator, /condenser /- /correct /answer(s) /✔✔ /A: /Condenser, /evaporator
/
Heat
/is
/present
/in
/winter /outdoor /air /until /the /outside /air /ambient /temperature /reaches /a /low /temperature /of:
A: /0 /degrees /F
/
B: /32 /degrees /F
/
C: /273 /degrees /F
/
, D: /-459 /degrees /F /- /correct /answer(s) /✔✔ /D: /-459 /degrees /F
/
Technically
/this
/is
/true,
/but
/not
/practical. /
A
/heat
/pump
/is
/doing
/good
/to /continue /to /work /below /10 /deg /F /unless /specifically /designed /for /lower /temperatures.
The /heat /pump /utilizes:
A: /Two /filter-driers /with /check /valves
/
B: /One /bi-flow /filter-drier
/
C: /A /single /mono-flow /filter-drier /in /the /liquid /line
/
/D: /Some /use /the /bi-flow /filter-drier /and /others /use /two /filter-
driers /with /check /valves /- /correct /answer(s) /✔✔ /D: /Some /use /the /bi-flow- /filter-
drier /and /others /use /two /filter-driers /with /check /valves
The
/correct
/way
Heat
/
Pump Exam Questions With Correct Answers
/ / / / / /
Charging /a /heat /pump /with /refrigerant /is /best /accomplished /in /the /_______ /mode.
/ A: /Heating /mode
/ B: /Cooling /mode
/ C: /Defrost /mode
/ D: /Emergency /heating /mode /- /correct /answer(s) /✔✔ /B: /Cooling /mode
Heat
/pumps
/can
/provide
/both
/heating
/in /the /winter /and /cooling /in /the /summer. /In /which /mode /is /the /heat /pump /more /efficient?
/ A: /Heating /mode
/ B: /Cooling /mode
,C: /Defrost /mode
/
D: /Emergency /heating /mode /- /correct /answer(s) /✔✔ /A: /Heating /mode
/
Which /of /the /following /components /is /exclusive /to /the /heat /pump?
A: /Condenser
/
B: /Oil /separator
/
C: /Reversing /valve
/
D: /Accumulator /- /correct /answer(s) /✔✔ /C: /Reversing /valve
/
Which
/of
/the
/following
/airflow /rates /is /the /most /reasonable /for /a /heat /pump /system /operating /in /the /heating /cycle?
A: /200 /cfm /per /ton
/
B: /300 /cfm /per /ton
/
C: /400 /cfm /per /ton
/
D: /450 /cfm /per /ton /- /correct /answer(s) /✔✔ /D: /450 /cfm /per /ton
/
,During
/the
/heat
/pump's
/cooling
/cycle,
/the
/outdoor /coil /is /utilized /as /a /_________ /while /the /indoor /coil /is /utilized /as /a____________.
A: /Condenser, /evaporator
/
B: /Evaporator, /condenser
/
C: /Compressor, /accumulator
/
D: /Accumulator, /condenser /- /correct /answer(s) /✔✔ /A: /Condenser, /evaporator
/
Heat
/is
/present
/in
/winter /outdoor /air /until /the /outside /air /ambient /temperature /reaches /a /low /temperature /of:
A: /0 /degrees /F
/
B: /32 /degrees /F
/
C: /273 /degrees /F
/
, D: /-459 /degrees /F /- /correct /answer(s) /✔✔ /D: /-459 /degrees /F
/
Technically
/this
/is
/true,
/but
/not
/practical. /
A
/heat
/pump
/is
/doing
/good
/to /continue /to /work /below /10 /deg /F /unless /specifically /designed /for /lower /temperatures.
The /heat /pump /utilizes:
A: /Two /filter-driers /with /check /valves
/
B: /One /bi-flow /filter-drier
/
C: /A /single /mono-flow /filter-drier /in /the /liquid /line
/
/D: /Some /use /the /bi-flow /filter-drier /and /others /use /two /filter-
driers /with /check /valves /- /correct /answer(s) /✔✔ /D: /Some /use /the /bi-flow- /filter-
drier /and /others /use /two /filter-driers /with /check /valves
The
/correct
/way