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When checking the resistance of an appliance load component?

Set your meter to on the highest voltage range.

Check to see if the appliance cord is grounded.

Disconnect the appliance from the power source.

Connect the appliance to source voltage.

Many of today’s clothes washers add hot water even though the customer selects COLD water. Why?

Because detergents work better with the energy from heat.

Because the agitating mechanisms in the washer do not work well if chilled.

To make sure that the HOT water valve will occasionally turn on, keeping it from sticking.

To meet energy standards

In an electric range, the oven shutdown thermal cutoff located at the back of the oven has blown. What could cause this?

Convection motor gets too hot.

Obstruction in the cooling fan.

Faulty oven temperature sensor.

Convection motor gets too hot.

A thermal fuse as used in a clothes dryer is?

A resettable thermal safety device.

A resettable amperage safety device.

A non-resettable amperage safety devise.

A non-resettable thermal safety device.

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 dye drier.

An electronic leak detector and a double-tip torch.

The most serious hazard to a technician while servicing a microwave oven is?

Third degree burns from exposure to radiation.

Repeated exposure to alpha wave radiation.

Accidental contact with the high voltage, high current power supply.

Exposure to a single massive dosage of microwave energy.

In a refrigerator sealed system what component is vapor changed to a liquid?

Heat exchanger.

Accumulator.

Condenser.

Evaporator.

On a microwave, high voltage AC is converted to high voltage DC voltage to operate the magnetron by?

The diode and the magnetron.

The magnetron and stirrer fan.

The transformer and the magnetron.

The diode and capacitor.

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.

On a standard, timer driven clothes washer, when is the timer motor energized?

After the drive motor is energized.

After the unit begins to fill.

As soon as the timer is pulled to the “on” position.

After the unit begins to fill.

In an electric range, how many complete on and off cycles should the oven go through before determining calibration needed on an oven thermostat?

5

9

2

3

In a microwave, the magnetron generates RF (Radio Frequency) energy at a frequency of?

2450 megahertz

2155 megahertz

3550 megahertz

2100 megahertz

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?

Charging the capacitor for the spark system to work.

Allowing any unused gas in the oven to dissipate before a spark is activated.

The direct spark monitoring system to become activated.

The flame sensing circuit to determine that no flame is present.

Increasing the Voltage to an appliance heater circuit will?

Increase current flow.

Decrease current flow.

Will have no effect.

Decrease wattage.

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.

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 male garden hose fitting.

A female garden hose fitting.

The idler assembly in a clothes dryer does what?

Controls the speed of the blower.

Keeps tension on the belt.

Keeps the motor at a constant speed.

Controls the speed of the drum.

When Overcharging a refrigerator sealed system cooling capacity ________ and ________ power consumption?

Decreases/decreases.

Increases/decreases.

Decreases/increases.

Increases/increases.

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?

Convection fan motor.

Electronic range control.

Bad door switch.

The unit is working as designed.

To convert a Natural gas range to a L.P. application, what component(s) must be replaced or adjusted?

Cooktop orifice hoods & oven burner orifice hoods.

Gas regulator, cooktop orifice hoods & oven burner orifice hoods.

Gas regulator, oven burner orifice hoods.

Gas regulator, air shutters.

What does the dishwasher door gasket do?

Keeps the water in the tank in case the unit overfills.

Makes a 360° seal around the tank opening.

Creates an airtight seal to control the vented air.

Etching in dishwasher is caused by?

Cheap glassware.

Chemical compound mixtures.

Improper chemical balance.

Hard water.

A clothes washer that continues to fill even after the service cord has been removed from the 110VAC power source probably has?

Foreign matter in the mixing valve preventing the diaphragm from seating properly.

An open mix valve solenoid coil.

A shorted water level pressure switch.

A grounded fill valve solenoid.

Which component in the list below is in the low-pressure side of the system sealed in a refrigerator?

Heat loop.

Drier.

Evaporator.

Condenser.

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 adjust the spring length to give it more tension.

. You should verify that the panel meets installation weight standards.

You should drill new spring adjustment holes to pull the spring tighter.

Residential & Commercial Appliance Technology

SkillsUSA 2022 Technical Test

Technical Assessment Form

Contestant Information

Technical Assessment