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SEBA class 10 Electronics and Hardware Chapter 3 Answer 2025 Assamese Medium (SCERT Assam board) | MIXER AND GEYSER REPAIR AND MΑΙΝΤΑΝΕNCE |

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SEBA class 10 Electronics and Hardware Chapter 3 Answer 2025 Assamese Medium (SCERT Assam board) | MIXER AND GEYSER REPAIR AND MΑΙΝΤΑΝΕNCE |

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MIXER AND GEYSER REPAIR AND MΑΙΝΤΑΝΕNCE&nbsp;

1. What is a mixer?

Answer:&nbsp;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:

<ul class="wp-block-list">
<li>Motor: Provides the rotational force.</li>

<li>Blades: Used for grinding and mixing.</li>

<li>Jar: Holds the food items.</li>

<li>Coupler: Connects the jar to the motor shaft.</li>

<li>Speed control knob: Adjusts the speed of the motor.</li>
</ul>

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

<ul class="wp-block-list">
<li>Jar leakage: Due to worn-out rubber gaskets.</li>

<li>Motor overheating: Caused by overloading.</li>

<li>Blades not rotating: Due to faulty coupler or motor issues.</li>

<li>No power supply: Caused by a damaged cord or faulty switch.</li>
</ul>

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

<ul class="wp-block-list">
<li>Check the power cord and fuse.</li>

<li>Inspect and replace the coupler if worn out.</li>

<li>Clean and lubricate the motor bearings.</li>

<li>Replace damaged blades or gaskets.</li>
</ul>

5. What is a geyser? Answer:&nbsp;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:

<ul class="wp-block-list">
<li>Heating element: Heats the water.</li>

<li>Thermostat: Controls the water temperature.</li>

<li>Water tank: Stores the hot water.</li>

<li>Safety valve: Prevents excessive pressure build-up.</li>

<li>Indicator light: Shows the working status of the geyser.</li>
</ul>

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

<ul class="wp-block-list">
<li>No hot water: Due to a faulty heating element.</li>

<li>Water leakage: Caused by tank corrosion or loose connections.</li>

<li>Temperature fluctuations: Due to a faulty thermostat.</li>

<li>Electric shock risk: Due to improper earthing.</li>
</ul>

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

<ul class="wp-block-list">
<li>Check and replace the heating element if faulty.</li>

<li>Inspect and replace the thermostat if malfunctioning.</li>

<li>Fix water leaks by tightening connections or replacing the tank.</li>

<li>Ensure proper earthing and insulation.</li>
</ul>

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

<ul class="wp-block-list">
<li>Disconnect the appliance from the power supply.</li>

<li>Use insulated tools.</li>

<li>Wear safety gloves to avoid electric shock.</li>

<li>Avoid overloading the mixer.</li>
</ul>

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

<ul class="wp-block-list">
<li>Switch off the power supply before repairing.</li>

<li>Wear rubber gloves and shoes.</li>

<li>Check for proper earthing and insulation.</li>

<li>Use a multimeter to test electrical components safely.</li>
</ul>

11. What is the role of the thermostat in a geyser? Answer:&nbsp;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:&nbsp;The safety valve releases excess pressure to prevent the geyser from bursting.

13. What is the purpose of descaling a geyser? Answer:&nbsp;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:&nbsp;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:

<ul class="wp-block-list">
<li>Increases the lifespan of the appliances.</li>

<li>Improves performance and efficiency.</li>

<li>Reduces the risk of electrical hazards.</li>

<li>Prevents unexpected breakdowns.</li>
</ul>

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