Gas
Heat esco exam questions with correct answers
/ / / / / / /
A
/gas
/furnace
/to
/be
/installed
/in /
a
/garage.
/The
/national
/standards
/requires
/that
/the
/burners
/and /ignition /must /be /located /____ /above /the /floor: /- /correct /answer(s) /✔✔ /18 /inches
A /good /description /of /how /a /bi-metal /fan /switch /operates /the /blower /motor /on /a /gas /furnace
/is: /- /correct /answer(s) /✔✔ /Temperature /on/ /Temperature /off
Redundant
/gas
/valves
/used
/on
/gas
/furnaces
/will /shut /down /if /gas /pressure /exceeds: /- /correct /answer(s) /✔✔ /13.5 /in /W.C. /(or /1/2 /psi) /
,This /is /the /maximum /pressure /for /gas /valve /operation
Burning
/one
/cubic
/foot
/of
/Liquefied
/Petroleum
/gas /completely /will /produce /approximately /____ /BTUs. /- /correct /answer(s) /✔✔ /2,000 /- /2,500
LP
/gas
/has /
a /specific /gravity /of /...? /- /correct /answer(s) /✔✔ /1.5 /- /2.0 /( /actual /is /1.5 /heavier /than /air /which
/is /1.0)
What /is /the /purpose /of /a /spoiler /screw /located /on /a /burner, /or /adjustable-
shutters? /- /correct /answer(s) /✔✔ /to /mix /primary /air /and /gas
Furnace /limit /switches /are /wired /in /series /with /the: /- /correct /answer(s) /✔✔ /Gas /valve
A
/technician
/is
/using
/an
/extension
/ladder
/to
/work
/on
/roof
, /top
/unit.
/The
/top
/of /the /ladder /should /extend /_____ /beyond /the /support /point. /- /correct /answer(s) /✔✔ /3 /feet
A
/technician
/determines
/that /
a
/natural
/gas
/furnace
/has /
a
/defective
/heat
/exchanger.
/The /technician /should: /- /correct /answer(s) /✔✔ /Inform /the /home /owner /and /turn /the /gas /off.
A /natural /gas /furnace /usually /requires /_____ /gas /pressure /AT /the /manifold /and /burners.
What /should /the /inlet /pressure /be /to /the /manifold? /- /correct /answer(s) /✔✔ /3.5 /in /WC
inlet- /5-7 /in /WC
The
/vent
/system /for /a /condensing /furnace /is /classified /as /___ /by /the /National /Field /Gas /Code. /- /correct
/answer(s) /✔✔ /Category /IV /(4)
Type /
B
/vent
Heat esco exam questions with correct answers
/ / / / / / /
A
/gas
/furnace
/to
/be
/installed
/in /
a
/garage.
/The
/national
/standards
/requires
/that
/the
/burners
/and /ignition /must /be /located /____ /above /the /floor: /- /correct /answer(s) /✔✔ /18 /inches
A /good /description /of /how /a /bi-metal /fan /switch /operates /the /blower /motor /on /a /gas /furnace
/is: /- /correct /answer(s) /✔✔ /Temperature /on/ /Temperature /off
Redundant
/gas
/valves
/used
/on
/gas
/furnaces
/will /shut /down /if /gas /pressure /exceeds: /- /correct /answer(s) /✔✔ /13.5 /in /W.C. /(or /1/2 /psi) /
,This /is /the /maximum /pressure /for /gas /valve /operation
Burning
/one
/cubic
/foot
/of
/Liquefied
/Petroleum
/gas /completely /will /produce /approximately /____ /BTUs. /- /correct /answer(s) /✔✔ /2,000 /- /2,500
LP
/gas
/has /
a /specific /gravity /of /...? /- /correct /answer(s) /✔✔ /1.5 /- /2.0 /( /actual /is /1.5 /heavier /than /air /which
/is /1.0)
What /is /the /purpose /of /a /spoiler /screw /located /on /a /burner, /or /adjustable-
shutters? /- /correct /answer(s) /✔✔ /to /mix /primary /air /and /gas
Furnace /limit /switches /are /wired /in /series /with /the: /- /correct /answer(s) /✔✔ /Gas /valve
A
/technician
/is
/using
/an
/extension
/ladder
/to
/work
/on
/roof
, /top
/unit.
/The
/top
/of /the /ladder /should /extend /_____ /beyond /the /support /point. /- /correct /answer(s) /✔✔ /3 /feet
A
/technician
/determines
/that /
a
/natural
/gas
/furnace
/has /
a
/defective
/heat
/exchanger.
/The /technician /should: /- /correct /answer(s) /✔✔ /Inform /the /home /owner /and /turn /the /gas /off.
A /natural /gas /furnace /usually /requires /_____ /gas /pressure /AT /the /manifold /and /burners.
What /should /the /inlet /pressure /be /to /the /manifold? /- /correct /answer(s) /✔✔ /3.5 /in /WC
inlet- /5-7 /in /WC
The
/vent
/system /for /a /condensing /furnace /is /classified /as /___ /by /the /National /Field /Gas /Code. /- /correct
/answer(s) /✔✔ /Category /IV /(4)
Type /
B
/vent
