Lesson 3


MIXER AND GEYSER REPAIR AND MΑΙΝΤΑΝΕNCE 

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1. What is a mixer?

Answer: A mixer is a kitchen appliance used for mixing, grinding, and blending food items.
It typically consists of a motor, blades, and a jar.

2. What are the common parts of a mixer?
Answer:

  • Motor: Provides the rotational force.

  • Blades: Used for grinding and mixing.

  • Jar: Holds the food items.

  • Coupler: Connects the jar to the motor shaft.

  • Speed control knob: Adjusts the speed of the motor.

3. What are the common problems in mixers?
Answer:

  • Jar leakage: Due to worn-out rubber gaskets.

  • Motor overheating: Caused by overloading.

  • Blades not rotating: Due to faulty coupler or motor issues.

  • No power supply: Caused by a damaged cord or faulty switch.

4. How do you repair a faulty mixer?
Answer:

  • Check the power cord and fuse.

  • Inspect and replace the coupler if worn out.

  • Clean and lubricate the motor bearings.

  • Replace damaged blades or gaskets.

5. What is a geyser?
Answer: A geyser is a water heating device used to supply hot water for domestic purposes.
It consists of a heating element, thermostat, and water tank.

6. What are the common parts of a geyser?
Answer:

  • Heating element: Heats the water.

  • Thermostat: Controls the water temperature.

  • Water tank: Stores the hot water.

  • Safety valve: Prevents excessive pressure build-up.

  • Indicator light: Shows the working status of the geyser.

7. What are the common problems in geysers?
Answer:

  • No hot water: Due to a faulty heating element.

  • Water leakage: Caused by tank corrosion or loose connections.

  • Temperature fluctuations: Due to a faulty thermostat.

  • Electric shock risk: Due to improper earthing.

8. How do you repair a faulty geyser?
Answer:

  • Check and replace the heating element if faulty.

  • Inspect and replace the thermostat if malfunctioning.

  • Fix water leaks by tightening connections or replacing the tank.

  • Ensure proper earthing and insulation.

9. What safety precautions should be taken while repairing a mixer?
Answer:

  • Disconnect the appliance from the power supply.

  • Use insulated tools.

  • Wear safety gloves to avoid electric shock.

  • Avoid overloading the mixer.

10. What safety precautions should be taken while repairing a geyser?
Answer:

  • Switch off the power supply before repairing.

  • Wear rubber gloves and shoes.

  • Check for proper earthing and insulation.

  • Use a multimeter to test electrical components safely.

11. What is the role of the thermostat in a geyser?
Answer: The thermostat regulates the water temperature by switching the heating element on and off.

12. What is the function of the safety valve in a geyser?
Answer: The safety valve releases excess pressure to prevent the geyser from bursting.

13. What is the purpose of descaling a geyser?
Answer: Descaling removes the mineral deposits (lime scale) inside the tank, improving efficiency and preventing damage.

14. What is the role of the coupler in a mixer?
Answer: The coupler connects the jar to the motor shaft, allowing the blades to rotate.

15. What are the benefits of regular maintenance of mixers and geysers?
Answer:

  • Increases the lifespan of the appliances.

  • Improves performance and efficiency.

  • Reduces the risk of electrical hazards.

  • Prevents unexpected breakdowns.



EDIT BY : KRISHNA SAIKIA