HVAC Exam 1 | Questions with 100% correct Answers | Verified

Blooms Taxonomy - 1. comprehension 2. application 3. synthesis--> design NYC CO2 contribution by bldg heating/cooling: - 80% LEED - Leadership in Energy and Environmental Design LEED sponsoring agency - US Green Building Council Chrysler bldg - 84, built 1930s Empire State bldg - 80, built 1930s minimum standard for high efficiency building - 75 7 World Trading Center - 74, built 2013 Metlife bldg - 39, built 1963 Lever House - 20, built 1952 Seagram bldg - 3, built 1958 contributing factors to energy efficiency - a. high thermal efficiency b. use of materials to resist heat transfer (ex curtain walls)c. tenant use d. energy sources left on when not in use e. relaxed controls on when to use energy HVAC development influenced by - -technological discoveries -economic pressures (1973 energy crisis) -computerization and networking -medical discoveries influences of system choice - -bldg design -location issues -utilities -indoor requirements and loads -client issues -codes Thermal comfort goal ___% satisfied - 80 Environmental factors scope (4) - -temp -thermal radiation -air speed -humidity Personal factors scope (2) - -activity -clothing Other scope conditions --up to 10,000 ft elevation -periods no less than 15 minThermal environment affects a person's ability to _____ _____ - release heat Scope does not apply to: - -air quality -acoustics & illumination -physical, biological, chemical space contaminants Thermal comfort is the condition of the ____ which expresses satisfaction with the _____ _____ - mind, thermal environment Thermal comfort factors (6) - -metabolic rate -clothing insulation -air temperature -radiant temperature -air speed -humidity