Hvac excellence Study guides, Class notes & Summaries

Current flow is: - The flow of electrons in the circuit. Impedance is: - Opposition to alternating current flow. Like charges; - repel each other. Any material that will readily release electrons is called; - A conductor The symbol for current is; - I Which of the following materials would be best suited for use as a semi-conductor? - silicon The safety ground conductor is usually color coded; - green or bare. An electron has; - a negative charge. ...

What is an HVAC System? - correct answer all the items needed to maintain thermal comfort within a space or group of spaces What are the four components of an HVAC system? - correct answer Fans Pumps Compressor Evaporator What is a PTAC? - correct answer Packaged Terminal Air Conditioner What is a PTHP? - correct answer Packaged Terminal Heat Pump List the heat transfer equipment (3) - correct answer Boiler Chiller Coil What is a zone? - correct answer A zone is a separately ...

HVAC Excellence Test Commercial AC Complete Questions And Answers

Electric Heat ESCO - HVAC Excellence Exam Graded A+

Electric Heat ESCO - HVAC Excellence Exam Questions and Answers 100% Pass Before working on an electric furnace the tech should - Correct Answer ️️ -Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker - Correct Answer ️️ -detects current leaks to groound the conductor in an electric heat element is usually made of - Correct Answer ️️ - Nichrome An example of resistive load is - Correct Answer ️️ -crankcase heater an examp...

Heat which causes a change in temperature of a substance is called - Answer-sensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? - Answer-latent heat Heat added to the refrigerant in vapor state after the evaporation process is called, - Answersuperheat A scroll compressor moves refrigerant by means of; - Answer-involute spirals The movement of heat by way of fluid or is called; air - Answer-convection The move...

HVAC EXCELLENCE STUDY GUIDE TEST 2024. Heat which causes a change in temperature of a substance is called - CORRECT ANSWER sensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? - CORRECT ANSWER latent heat Heat added to the refrigerant in vapor state after the evaporation process is called, - CORRECT ANSWER superheat A scroll compressor moves refrigerant by means of; - CORRECT ANSWER involute spirals ...

Before working on an electric furnace the tech should - ANSWER Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker - ANSWER detects current leaks to groound the conductor in an electric heat element is usually made of - ANSWER Nichrome An example of resistive load is - ANSWER crankcase heater an example of an inductive load is - ANSWER motor an electric furnace is marked 208/230 single phase 60Hz A tech reads 200 vac at the power ...

HVAC EXCELLENCE Questions with 100% correct answers