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Residential & Commercial Appliance Technology
SkillsUSA 2022 Technical Test
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Technical Assessment
On a standard, timer driven clothes washer, when is the timer motor energized?
After the unit begins to fill.
After the drive motor is energized.
As soon as the timer is pulled to the “on” position.
After the unit begins to fill.
A clothes washer that continues to fill even after the service cord has been removed from the 110VAC power source probably has?
A shorted water level pressure switch.
A grounded fill valve solenoid.
An open mix valve solenoid coil.
Foreign matter in the mixing valve preventing the diaphragm from seating properly.
To convert a Natural gas range to a L.P. application, what component(s) must be replaced or adjusted?
Gas regulator, oven burner orifice hoods.
Gas regulator, cooktop orifice hoods & oven burner orifice hoods.
Gas regulator, air shutters.
Cooktop orifice hoods & oven burner orifice hoods.
On a microwave, high voltage AC is converted to high voltage DC voltage to operate the magnetron by?
The diode and capacitor.
The transformer and the magnetron.
The diode and the magnetron.
The magnetron and stirrer fan.
On a clothes washer what kind of fitting is used to secure the water hose to the inlet threads of a water valve?
A 1/2-inch compression fitting.
A 5/8-inch compression fitting.
A female garden hose fitting.
A male garden hose fitting.
In most electric convection ranges, the Customer complains of the convection fan blade not turning. She noticed it when she opens the oven door. What component is suspected to have failed?
Bad door switch.
Convection fan motor.
Electronic range control.
The unit is working as designed.
When checking the resistance of an appliance load component?
Connect the appliance to source voltage.
Set your meter to on the highest voltage range.
Disconnect the appliance from the power source.
Check to see if the appliance cord is grounded.
If a dishwasher has a decorative door panel, the door falls down too heavily, the strongest spring available is used and the spring is adjusted to the maximum position what should you do?
If a dishwasher has a decorative door panel, the door falls down too heavily, the strongest spring available is used and the spring is adjusted to the maximum position what should you do?
You should drill new spring adjustment holes to pull the spring tighter.
. You should verify that the panel meets installation weight standards.
You should adjust the spring length to give it more tension.
In an electric range, the oven shutdown thermal cutoff located at the back of the oven has blown. What could cause this?
Obstruction in the cooling fan.
Faulty oven temperature sensor.
Convection motor gets too hot.
Convection motor gets too hot.
In a refrigerator sealed system what component is vapor changed to a liquid?
Evaporator.
Accumulator.
Condenser.
Heat exchanger.
A Whirlpool gas self-cleaning range with a Direct Spark Ignition (DSI) system performs a 40 second oven safety delay whenever the range is plugged in. This 40 second delay is for?
The flame sensing circuit to determine that no flame is present.
Allowing any unused gas in the oven to dissipate before a spark is activated.
Charging the capacitor for the spark system to work.
The direct spark monitoring system to become activated.
In a microwave, the magnetron generates RF (Radio Frequency) energy at a frequency of?
3550 megahertz
2450 megahertz
2100 megahertz
2155 megahertz
The most serious hazard to a technician while servicing a microwave oven is?
Repeated exposure to alpha wave radiation.
Accidental contact with the high voltage, high current power supply.
Third degree burns from exposure to radiation.
Exposure to a single massive dosage of microwave energy.
What does the dishwasher door gasket do?
Keeps the water in the tank in case the unit overfills.
Creates an airtight seal to control the vented air.
Makes a 360° seal around the tank opening.
Keeps the water in the tank in case the unit overfills.
A yellow flame on a surface burner of a free-standing gas range normally indicates that the burner adjustment is providing?
Insufficient gas pressure.
Too little primary air.
Too much primary air.
Excessive gas pressure.
Out of the choices listed, what are the two methods best for detecting leaks in a refrigerator sealed system?
Soap bubbles and liquid flux.
Liquid flux and a double-tip torch.
An electronic leak detector and a double-tip torch.
An electronic leak-detector and dye drier.
When Overcharging a refrigerator sealed system cooling capacity ________ and ________ power consumption?
Increases/decreases.
Decreases/increases.
Decreases/decreases.
Increases/increases.
Many of today’s clothes washers add hot water even though the customer selects COLD water. Why?
To make sure that the HOT water valve will occasionally turn on, keeping it from sticking.
To meet energy standards
Because the agitating mechanisms in the washer do not work well if chilled.
Because detergents work better with the energy from heat.
In an electric range, how many complete on and off cycles should the oven go through before determining calibration needed on an oven thermostat?
9
3
2
5
A thermal fuse as used in a clothes dryer is?
A resettable thermal safety device.
A non-resettable thermal safety device.
A resettable amperage safety device.
A non-resettable amperage safety devise.
The idler assembly in a clothes dryer does what?
Controls the speed of the drum.
Keeps the motor at a constant speed.
Controls the speed of the blower.
Keeps tension on the belt.
A radiant heat sensor on a clothes dryer is found where?
On an electric dryer near the top of the heater box.
On an electric dryer at the bottom of the heater box.
On the burner funnel of a gas dryer.
On the outlet of the burner of a gas dryer.
Etching in dishwasher is caused by?
Cheap glassware.
Improper chemical balance.
Chemical compound mixtures.
Hard water.
Which component in the list below is in the low-pressure side of the system sealed in a refrigerator?
Heat loop.
Condenser.
Drier.
Evaporator.
Increasing the Voltage to an appliance heater circuit will?
Increase current flow.
Decrease current flow.
Will have no effect.
Decrease wattage.
Residential & Commercial Appliance Technology
