Trivia Quiz - March 19, 2001 By Cherie Preville March 14, 2001 Question: In what year did Ferdinand Carré receive the U.S. patent for his development of a closed ammonia-absorption system? a 1850 b 1860 c 1870 d 1880 Answer: b 1860 Publication date: 03/19/2001 Share This Story Looking for a reprint of this article? From high-res PDFs to custom plaques, order your copy today! Cherie Preville is Education and Products Editor. She can be contacted at 248-244-6496 or cheriepreville@achrnews.com. Recommended Content JOIN TODAY To unlock your recommendations. Already have an account? Sign In 2024 Top 40 Under 40 HVACR Professionals ListThe 10th annual ACHR NEWS Top 40 Under 40 list highlights...HVAC Light Commercial MarketBy: Hannah Belloli EPA Issues Final Rule on HFC PhasedownUnder EPA's final rule, the manufacture of most R-410A...Regulatory UpdateBy: Joanna R. Turpin The 9 Types of Heat PumpsAs the U.S. moves toward electrification, heat pumps are...Commercial Geothermal Heat PumpsBy: Joanna R. Turpin You must login or register in order to post a comment. Report Abusive Comment Thank you for helping us to improve our forums. Is this comment offensive? Please tell us why.
2024 Top 40 Under 40 HVACR Professionals ListThe 10th annual ACHR NEWS Top 40 Under 40 list highlights...HVAC Light Commercial MarketBy: Hannah Belloli
EPA Issues Final Rule on HFC PhasedownUnder EPA's final rule, the manufacture of most R-410A...Regulatory UpdateBy: Joanna R. Turpin
The 9 Types of Heat PumpsAs the U.S. moves toward electrification, heat pumps are...Commercial Geothermal Heat PumpsBy: Joanna R. Turpin
