Household Appliances quiz

More questions about Household Appliances

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   Which class has topped the EU fridge energy label since 2021?

   Answer: A

   Why: After the rescale, a fridge once rated A+++ could land in class D or E with no change in the energy it uses.

2. 2 Medium

   What does a fridge's coolant do inside the cold compartment?

   Answer: It boils

   Why: At the low pressure inside the evaporator the coolant boils far below 0°C, so even a freezer is warm enough to boil it.

3. 3 Hard

   Which part switches off a basic rice cooker once the water is gone?

   Answer: A magnet

   Why: While any water is left the pot cannot pass 100°C, so the magnet keeps its pull on the switch until the water is gone.

4. 4 Easy

   What holds most modern fridge doors shut?

   Answer: Magnetic seals

   Why: A 1956 US safety law demanded fridge doors that open with a push from inside, which a magnetic seal allows and an old latch did not.

5. 5 Medium

   What heavy material is bolted to many washing machine drums?

   Answer: Concrete

   Why: Around 25 kg of concrete adds mass to the drum, so one lopsided wet towel shakes it far less at full spin.

6. 6 Hard

   About how hot does an oven get to burn itself clean?

   Answer: About 500°C

   Why: A lock keeps the door shut during the cycle and until the oven has cooled down again.