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HVAC Test Questions and Answers 100% Solved The human body gives off heat by Convection, Radiation and Conduction How many BTU's are required to change five pounds of ice at 20º F to steam at 220º F 1,304 BTU/h How many BTU's must be removed from one pound of water at 200º F for it to end up as ice at 30º F? 313 BTU At Standard conditions on the Celsius scale, water will boil at 100º C The standard atmospheric pressure at sea level is 29.92 Pure water boils at a temperature o...

Two locations where a cold air return should be installed - ANSWER open area of a wall and low to the ground Which of the following is the law of thermodynamics? - ANSWER heat moves toward a place with lower intensity Sensible heat describes - ANSWER how hot something feels Latent heat is measured in - ANSWER british thermal units What is the amount of heat energy required to evaporate 1 pound of water? - ANSWER 970 btu In an air conditioning system and refrigeration system, what ...

Two locations where a cold air return should be installed - open area of a wall and low to the ground Which of the following is the law of thermodynamics? - heat moves toward a place with lower intensity Sensible heat describes - how hot something feels Latent heat is measured in - british thermal units What is the amount of heat energy required to evaporate 1 pound of water? - 970 btu In an air conditioning system and refrigeration system, what occurs in the evaporator? - the refrigeran...

HVAC Excellence Study Guide) for Electric Test Questions And Answers Law of electric states that: - ANS Like charges repel, and opposites attract When testing a supply voltage a maximum variation allowed is typically: - ANS plus or minus five percent A Voltage Tester reads zero when there is: - ANS no potential difference An Ammeter - ANS Is used to measure the quantity and intensity of electrons flowing inside a wire, or through a load When will an ammeter have an ...

HVAC Excellence Study Guide) for Electric Test Questions And Answers Law of electric states that: - ANS Like charges repel, and opposites attract When testing a supply voltage a maximum variation allowed is typically: - ANS plus or minus five percent A Voltage Tester reads zero when there is: - ANS no potential difference An Ammeter - ANS Is used to measure the quantity and intensity of electrons flowing inside a wire, or through a load When will an ammeter have an in...

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rating of service switches will be less than - 1-1/3 the computed load current smallest wire permitted to be used in general wiring - 14 awg how many circuits are on a 100 amp panel - 20 circuits when running wire into an outlet, pull extra wire for splicing - 6" minimum size conductors used

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