1.
After verifying the controls are set correctly, what's the first thing you should check on a front load washer that doesn't spin?
Correct Answer
C. Drain pump
Explanation
After verifying the controls are set correctly, the first thing you should check on a front load washer that doesn't spin is the drain pump. The drain pump is responsible for removing water from the washer during the spin cycle. If the drain pump is malfunctioning or clogged, it can prevent the washer from spinning. Therefore, checking the drain pump is crucial in troubleshooting the issue.
2.
What is a thermistor?
Correct Answer
C. A sensor for temperature that changes based on resistance
Explanation
A thermistor is a sensor that is used to measure temperature. It works by changing its resistance in response to changes in temperature. As the temperature increases, the resistance of the thermistor decreases, and vice versa. This change in resistance can then be measured and used to determine the temperature. Therefore, the correct answer is "a sensor for temperature that changes based on resistance."
3.
What gauge wire is used for a 30 amp circuit?
Correct Answer
B. 10
Explanation
A 30 amp circuit requires a wire gauge that can handle the current without overheating. The correct answer is 10 because it is the appropriate wire gauge for a 30 amp circuit. A wire gauge of 8 would be too thick and unnecessary, while a gauge of 12 would be too thin and unable to safely carry the required current. Therefore, the correct wire gauge for a 30 amp circuit is 10.
4.
What is the average time for a dryer to dry a full load(6 bath towels)?
Correct Answer
B. 60 minutes or less
Explanation
The correct answer is 60 minutes or less. This means that the average time for a dryer to dry a full load of 6 bath towels is expected to be 60 minutes or less. It could take less than 60 minutes or it could take exactly 60 minutes, but it should not take more than 60 minutes.
5.
Where do you look for debris on a washer pump?
Correct Answer
C. Inlet of the pump
Explanation
When looking for debris on a washer pump, all of the options mentioned are correct. Debris can be found in the drain hose attached to the pump, the outlet of the pump, as well as the inlet of the pump. Therefore, all of these areas should be inspected for any potential debris that may be causing issues with the washer pump.
6.
What is the approximate ohms of an oven probe?
Correct Answer
A. At room temp, 1100 ohms
Explanation
The approximate ohms of an oven probe at room temperature is 1100 ohms. This means that the resistance of the oven probe is around 1100 ohms when it is at room temperature.
7.
Which function does NOT belong in terms of the actuator in a belt-driven Whirlpool Cabrio washer?
Correct Answer
C. Senses and locks the lid
Explanation
The function of "senses and locks the lid" does not belong in terms of the actuator in a belt-driven Whirlpool Cabrio washer because it is not directly related to the movement or operation of the tub. The other options, such as "senses movement of the tub" and "actuate between spin and agitation," are directly involved in the functioning of the actuator and the overall operation of the washer.
8.
What is the average temperature for frying?
Correct Answer
D. 350-375 degrees Fahrenheit
Explanation
The correct answer is 350-375 degrees Fahrenheit. This temperature range is ideal for frying because it allows the food to cook evenly and quickly without becoming overly greasy or burnt. Frying at a lower temperature may result in the food absorbing too much oil, while frying at a higher temperature may cause the food to cook too quickly on the outside while remaining undercooked on the inside. Therefore, maintaining a temperature between 350-375 degrees Fahrenheit ensures that the food is cooked to perfection.
9.
What is the purpose of the MEM sensor on a Samsung washer?
Correct Answer
B. To determine if the unit is level
Explanation
The MEM sensor on a Samsung washer is used to determine if the unit is level. This sensor helps to ensure that the washer is properly balanced, which is important for efficient and effective washing. If the washer is not level, it can cause vibrations and noise during operation. By detecting the level of the unit, the MEM sensor allows the washer to adjust its settings or alert the user to make necessary adjustments for optimal performance.
10.
What is the correct way to check a 3-phase motor after verifying that the bearings spin freely?
Correct Answer
B. Isolate the motor and check for resistance between any two pair of winding terminals, should have the same ohm reading
Explanation
The correct way to check a 3-phase motor after verifying that the bearings spin freely is to isolate the motor and check for resistance between any two pair of winding terminals. The resistance reading between any two pairs of winding terminals should be the same. This indicates that the windings are balanced and there are no short circuits or open circuits in the motor. If the resistance readings are different, it suggests a fault in the motor windings.
11.
What is the main purpose of the rps sensor or hall sensor?
Correct Answer
A. To sense the movement of the inner basket
Explanation
The main purpose of the rps sensor or hall sensor is to detect and sense the movement of the inner basket. This sensor is responsible for providing feedback on the rotational speed and position of the inner basket, allowing the system to control and adjust the washing cycle accordingly. By sensing the movement of the inner basket, the sensor helps ensure proper functioning and efficiency of the washing machine.
12.
What is the best way to check the condition of a water valve?
Correct Answer
C. Apply power to the valve or check voltage to the valve
Explanation
To check the condition of a water valve, the best way is to apply power to the valve or check the voltage to the valve. This is because applying power or checking the voltage will help determine if the valve is receiving the necessary electrical input to function properly. By doing so, one can identify if there is any issue with the electrical connection or if the valve is faulty and needs to be replaced.
13.
On a front load washer, you have diagnosed that the rear bearings are defective. What parts need to be ordered and replaced?
Correct Answer
B. Inner basket and back half of the outer tub that includes the bearing
Explanation
The correct answer is the inner basket and back half of the outer tub that includes the bearing. This is because the defective rear bearings are located within the back half of the outer tub. To replace the bearings, both the inner basket and the back half of the outer tub need to be replaced as a unit.
14.
What is the maximum continuous current draw on a 50 amp circuit?
Correct Answer
B. 40 amps
Explanation
The maximum continuous current draw on a 50 amp circuit is 40 amps. This is because it is generally recommended to only use 80% of the circuit's capacity to prevent overheating and potential damage. 80% of 50 amps is 40 amps, so that is the maximum safe continuous current draw.
15.
What appliance would you find a shunt circuit?
Correct Answer
C. Gas dryer
Explanation
A shunt circuit is typically found in a gas dryer. A shunt circuit is a type of electrical circuit that diverts or bypasses a portion of the current flow, usually for the purpose of measuring or regulating the current. Gas dryers often have electrical components, such as control boards and sensors, that require the use of shunt circuits to regulate the flow of electricity. On the other hand, a gas range, electric range, or front load washer do not typically require shunt circuits for their operation.
16.
How many mfd does a start capacitor in a washer typically have?
Correct Answer
C. 88 and up
Explanation
A start capacitor in a washer typically has a capacitance of 88 microfarads (mfd) or higher. This capacitor is responsible for providing an initial boost of power to start the motor of the washer. Capacitors with higher capacitance values are able to provide a stronger boost, which is why 88 and up is the correct answer.
17.
What is the purpose of the bleed resistor in a microwave capacitor?
Correct Answer
A. To slowly discharge the capacitor
Explanation
The purpose of the bleed resistor in a microwave capacitor is to slowly discharge the capacitor. When the microwave is turned off, the capacitor still holds a charge, and if it is not discharged properly, it can be dangerous. The bleed resistor provides a path for the charge to slowly dissipate, ensuring that the capacitor is safely discharged before any maintenance or repair work is done.
18.
On a typical front load washer, the shipping bolts are never to be removed when the customer is ready to use it for the first time.
Correct Answer
B. False
Explanation
The statement is false because on a typical front load washer, the shipping bolts are meant to be removed before the customer starts using it for the first time. These bolts are used to secure the drum during transportation and prevent it from moving around. If the shipping bolts are not removed, it can cause damage to the washer and affect its performance.
19.
A washer is filling and draining at the same time, what is the most likely issue?
Correct Answer
D. There is a sipHoning issue
Explanation
The most likely issue in this scenario is a siphoning issue. When a washer is filling and draining at the same time, it suggests that there is a problem with the water drainage system. A siphoning issue occurs when the water is being pulled out of the washer through the drain hose due to improper installation or a faulty drain pipe. This can prevent the washer from properly filling and result in continuous draining during the wash cycle.