Electric Heat ESCO - HVAC Excellence Exam Questions and Answers

Electric Heat ESCO - HVAC Excellence Exam Questions and Answers Before working on an electric furnace the tech should - ANS ️️ Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker - ANS ️️ detects current leaks to groound the conductor in an electric heat element is usually made of - ANS ️️ Nichrome An example of resistive load is - ANS ️️ crankcase heater an example of an inductive load is - ANS ️️ motor an electric furnace is marked 208/230 single phase 60Hz A tech reads 200 vac at the power supply and determines - ANS ️️ the voltage is too low voltage imbalance between any leg of 3 phase power supply may not exceed - ANS ️️ 2% the limit switch on an electric furnace is a - ANS ️️ Automatic reset switch the sequencer timers on electric heater will usually energize the 1st heating element after a time delay of - ANS ️️ 1 to 30 sec the amount of btus produced by 1 watt of electricity is - ANS ️️ 3.413 btus a tech reads 60 amps with a clamp on amp meter on a forced air furnace. the supply voltage is 230 volts AC, approx how many watts is the furnace using - ANS ️️ 13,800 a furnace is using 15,500 watts approx Kw - ANS ️️ 15.5 Kw a sequencer timer use _____ to close the contact points to the heater element - ANS ️️ heated snap-discs or bi-metal strips an electric furnace heating thermostat must - ANS ️️ open on rise close on drop a standard thermostat heat anticipator is ____ and wired in ____ with the heating control - ANS ️️ adjustable/s