2026 COMPLETE QUESTIONS AND CORRECT
ANSWERS GRADED A+
◉ 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 a resistive load is.
Answer: Crankcase heater
◉ An example of an inductive load is.
Answer: motor
◉ An electric furnace is marked 208-2 30 single phase 60 HZ. A
technician reads 200 VAC at the supply power and determines..
Answer: The voltage is within allowable limits
◉ Voltage imbalance between any leg of a three phase power supply,
may not exceed.
,Answer: 2%
◉ The limit switch on an electric furnace is a.
Answer: Automatic reset switch
◉ The sequencer timers on an electric heater will usually energize
the first heating element after a time delay of.
Answer: 1-30 seconds
◉ The amount of BTUs produced by one watt of electricity is.
Answer: 3.413 BTUS
◉ A technician read 60 A with a clamp on ammeter on a forced air
furnace. The supply voltage is 230 V AC how many watts does the
furnace use?.
Answer: 13,800 watts
◉ A furnace is using 15,500 W of power. What is the approximate
KW rating.
Answer: 15.5W
◉ Sequence timers use _____ to close the contact points on the heater
element.
, Answer: Heated, snap disk or heated by metal strips
◉ An electric furnace heating thermostat must.
Answer: open on rise close on drop if temperature
◉ A standard thermostat heat anticipator is_____ and wired in_______
with the heating control.
Answer: Adjustable/series
◉ Some thermostat manufacturers require a jumper connection on
the thermostat sub base of heating and cooling thermostats in order
to.
Answer: Use a single transformer
◉ Most electric heat elements use the following safeties to prevent
overheating.
Answer: Snap disc and fusible links
◉ A technician read 70 A to a single phase heater. The supply voltage
is 230 V AC how many BTUs is the furnace producing.
Answer: 54,969