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HVAC Excellence - ELECTRICITY Exam -With 100% verified solutions

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HVAC EXCELLENCE Questions with 100% correct answers

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

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. ...

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

Heat which causes a change in temperature of a substance is called. - ANSWERsensible heat. Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process is called? - ANSWERLatent heat Heat added to the refrigerant in a vapor state after the evaporator process is called. - ANSWERSuperheat A scroll compressor moves refrigerant by means of. - ANSWERInvolute spirals The movement of heat by way of fluid or is called air or gas. - ANSWERConvecti...

HVAC Excellence - ELECTRICITY Exam 2024 Questions With Complete Solutions.

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 ...

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...