Texas residential appliance installer license prep class instal the new version for android3/24/2024 ![]() ![]() If the compressor displacement is 10 cu-in, but the unit’s actual pump volume is only 6 cu-in, what is the pumps calculated volumetric efficiency?. ![]() Step_3: Design the minimum ventilation at the larger 100 CFM.Step_2: 20 cfm per person x 2 operators = 40 CFM.Step_1: IMC – 0.5 cfm per sq-ft x 200 sq-ft = 100 CFM, or.If two operators are performing “normal” technical maintenance of equipment inside a small 200 sq-ft room, what would be the required CFM?.Given that an 80,000 Btu/h gas furnace will have the combustion air supplied from a mechanical air supply system outdoor source, the combustion air in shall be at least _ Cubic Feet per Minute of ventilation?.Our sample exams simulate your actual PSI state exam!īelow are a few questions from your upcoming PSI state exam: School enrollment is complete with Home Study Computer Program, Tutoring, and Live Seminars with real questions, answers, code references, and calculations to prepare you for the actual PSI state licensing exam.Ĭustom Home Study Computer Program running on your personal PC Texas ACR Environmental Air Conditioning Contractor preparation is our specialty since 1972. ![]()
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