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HVACR gas heating esco Questions and Answers with Verified Solutions | Latest 2026 Update

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HVACR gas heating esco Questions and Answers with Verified Solutions | Latest 2026 Update

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HVACR gas heating esco Questions and Answers with Verified
Solutions | Latest 2026 Update




Q: thermostats contain 1+ sets of contacts to control heating, they are

Answer:
thermally actuated

Q: adjustable shutters

Answer:
mix primary and gas

Q: 60000 btu/h operating at 50% air

Answer:
600 cu ft

Q: vent stack temp on a natural draft furnace is

Answer:
350-450f

, HVACR gas heating esco Questions and Answers with Verified
Solutions | Latest 2026 Update




Q: 1/2 and 3/4 black pipe is installed, cut how many threads

Answer:
10-12

Q: a furnace with the blower motor above the heat exchanger is a

Answer:
downflow

Q: ASHRAE specify how much CO

Answer:
9ppm

Q: air mixed with natural gas is

Answer:
primary air

, HVACR gas heating esco Questions and Answers with Verified
Solutions | Latest 2026 Update




Q: severity of shock is determined by

Answer:
intensity of flow and path

Q: external static pressure is

Answer:
.2-.6 in WC

Q: condensing furnaces work at

Answer:
90%

Q: LP has a gravity og

Answer:
1.5-2.0

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