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HVAC contractor exam test 6| EXAM QUESTIONS AND ANSWERS VERIFIED A+

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HVAC contractor exam test 6| EXAM QUESTIONS AND ANSWERS VERIFIED A+HVAC contractor exam test 6| EXAM QUESTIONS AND ANSWERS VERIFIED A+ Zero on the Rankin scale (0 degrees R) is equivalent to what temperature Fahrenheit? - correct answer--460 degrees F Some old, large oil-filled capacitors (found in fluorescent lamp ballasts, and other applications) can leak and create a safety hazard. This dielectric fluid contains what type of material? - correct answer-PCBs (Polychlorinated biphenyl) A building with double pane windows has an outside termperature of 10 degrees F deg whie maintaining an inside temperature of 72 degrees F deg. Calculate the MAXIMUM winter humidity design: - correct answer-30% RH What should be called a room where fuel-burning appliances are working and its volume is NO MORE than 50 cubic feet per 1,000 Btu/h of input rating? - correct answer-Confined space Capillary tube capacity is determined by the pressure difference, length of the tube, and inside diameter of the tube. What size length tube would be required given the following: -High-temperature R-22 system - 1/2 horsepower compressor - correct answer-108 inch length and .064 ID A worker has finished ins

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HVAC contractor
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Subido en
21 de noviembre de 2024
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Escrito en
2024/2025
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HVAC contractor exam test 6| EXAM QUE
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