Clothes dryers are found in almost all homes. They are a reliable and relatively inexpensive appliance, and will get your laundry clean on a rainy day. Take this quiz and see how they work.
Just how complicated is the average clothes dryer?
- It is an extremely complex appliance.
- Depends where it's made.
- It is a simple appliance
What is common to all clothes dryers?
- All have a tumbler, heater and exhaust vent.
- All have a heating system and a separate container for delicate items.
- All gas powered dryers are top-loading.
Where does the air enter the dryer?
- via the exhaust vent
- through openings in front of the dryer
- no air enters, except for the air in the clothes
After the air enters the dryer, where does it go?
- The air is drawn into the tumbler where it is heated.
- The air is first filtered by a lint screen then goes past the heater into the tumbler.
- The air is heated by the heating element and then moves to the tumbler.
What do you think is the purpose of the lint screen?
- The lint screen is made to remove lint from the clothes.
- The lint screen prevents lint from reaching the heating element where it could catch fire.
- It will prevent the exhaust fan from getting clogged with lint.
After a trip through the lint screen, what is the destination of the air?
- back into the tumbler for a second round of drying
- the exhaust pipe via the fan
- the motor, to cool it
How much power does the heating element of most dryers consume?
- 2,500 to 3,500 watts
- 4,000 to 6,000 watts
- more than 6,000 watts
How does the fan work?
- The spinning motion causes a partial vacuum causing the air to rise through the exhaust pipe.
- The fan removes impurities from the air, which becomes lighter enabling it to rise out of the dryer.
- It pulls air from the tumbler and forces it out through the exhaust pipe.
How complex is the gear system of the dryer?
- It is a belt drive without gears.
- The higher power dryers have a complex gear system to gain maximum revolutions per minute.
- The smaller dryers need a gear system to make them more efficient.
From what you know about motor-driven appliances, what do you think is the weakest link in most dryers.
What is it that most tumblers lack?
- rustproof interiors
What is the purpose of a cycle switch?
- controls speed of tumbler
- controls fan
- controls heating elements
If you push one of the control buttons while another is depressed, what happens?
- You'll have two depressed buttons.
- Depressed button will pop up.
- You could short-circuit the system.
Does the dryer have a safety system?
- There are temperature shut-off switches.
- A thermometer in the tumbler monitors the temperature.
- The micro-circuit in the cycle switch measures power-consumption.
What happens if airflow is cut off and the first sensor has no air on it to monitor for overheating?
- The control panel thermometer will detect an anomaly and switch off the dryer.
- If the fan doesn't work an automatic circuit-breaker kicks in.
- The heating element sensor will detect overheating and shut off the power.