Electrical Maintenance 1 Exam with
verified answers
an electrical component of a circuit that consumes electric power - correct answer ✔✔define
the term electrical load
if it is housed inside the furnace - correct answer ✔✔explain why the evaporator fan in an air-
conditioning system may also be called the furnace fan?
multiple devices that change how other devices work - correct answer ✔✔define the term
electrical control
wiring diagram show the physical location and the outline of each part presented
a schematic diagram shows the sequence of operation for a system and uses symbols - correct
answer ✔✔difference between wiring and schematic diagram
the condenser is located outside the house and the evaporator is located inside the furnace -
correct answer ✔✔explain where you would typically find the evap. and condenser on a
refrigeration display case
True - correct answer ✔✔T/F - the wiring diagram shows the relative location of each
component in a circuit
True - correct answer ✔✔T/F - An electrical load is a device that has resistance and uses current
, False - correct answer ✔✔T/F - a schematic (ladder) diagram shows the relative location of each
component in a circuit
True - correct answer ✔✔T/F - a furnace fan can also be the condenser fan in some systems
False - correct answer ✔✔T/F - the thermostat for a furnace is an electrical load
fan switch - correct answer ✔✔the control in the furnace that protects the furnace from
overheating and causing a fire is the...
causes the action that makes the switch change from open to closed or closed to open - correct
answer ✔✔the "operator" of an electrical switch is the part of the switch that...
operate continuously or with the gas valve - correct answer ✔✔the auto/on switch on the
thermostat allows the fan to
the primary and secondary windings on the control transformer - correct answer ✔✔the
thermostat terminals are identified with the letters R,Y,W and G which stand for...
the temperature at which the fan turns on and the maximum temperature the furnace can
reach before power to the gas valve is turned off - correct answer ✔✔the fan and limit switch in
the gas furnace control...
electrical diagram that shows all components and wires connecting them - correct answer
✔✔what is the function of a wiring diagram
a diagram that is designed to show the sequence of operation of an electrical control system -
correct answer ✔✔what is the function of a schematic (ladder) diagram
verified answers
an electrical component of a circuit that consumes electric power - correct answer ✔✔define
the term electrical load
if it is housed inside the furnace - correct answer ✔✔explain why the evaporator fan in an air-
conditioning system may also be called the furnace fan?
multiple devices that change how other devices work - correct answer ✔✔define the term
electrical control
wiring diagram show the physical location and the outline of each part presented
a schematic diagram shows the sequence of operation for a system and uses symbols - correct
answer ✔✔difference between wiring and schematic diagram
the condenser is located outside the house and the evaporator is located inside the furnace -
correct answer ✔✔explain where you would typically find the evap. and condenser on a
refrigeration display case
True - correct answer ✔✔T/F - the wiring diagram shows the relative location of each
component in a circuit
True - correct answer ✔✔T/F - An electrical load is a device that has resistance and uses current
, False - correct answer ✔✔T/F - a schematic (ladder) diagram shows the relative location of each
component in a circuit
True - correct answer ✔✔T/F - a furnace fan can also be the condenser fan in some systems
False - correct answer ✔✔T/F - the thermostat for a furnace is an electrical load
fan switch - correct answer ✔✔the control in the furnace that protects the furnace from
overheating and causing a fire is the...
causes the action that makes the switch change from open to closed or closed to open - correct
answer ✔✔the "operator" of an electrical switch is the part of the switch that...
operate continuously or with the gas valve - correct answer ✔✔the auto/on switch on the
thermostat allows the fan to
the primary and secondary windings on the control transformer - correct answer ✔✔the
thermostat terminals are identified with the letters R,Y,W and G which stand for...
the temperature at which the fan turns on and the maximum temperature the furnace can
reach before power to the gas valve is turned off - correct answer ✔✔the fan and limit switch in
the gas furnace control...
electrical diagram that shows all components and wires connecting them - correct answer
✔✔what is the function of a wiring diagram
a diagram that is designed to show the sequence of operation of an electrical control system -
correct answer ✔✔what is the function of a schematic (ladder) diagram
