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The handle of pressure cookers is made of plastic because it should be made non-conductor of heat. The plastic used here is the first man-made plastic, which is:
- a)Polythene
- b)Terylene
- c)Nylon
- d)Bakelite
Correct answer is option 'D'. Can you explain this answer?
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The handle of pressure cookers is made of plastic because it should be...
Bakelite
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The handle of pressure cookers is made of plastic because it should be...
Why Bakelite is used for the handle of pressure cookers:
Bakelite is the first synthetic plastic invented by Belgian chemist Leo Baekeland in 1907. It is a thermosetting phenol formaldehyde resin that has several properties making it suitable for use as a handle material in pressure cookers.
Non-conductor of heat:
- Bakelite is a poor conductor of heat, which means it does not easily transfer heat from the hot pressure cooker to the handle. This property is crucial for ensuring the safety of the person handling the pressure cooker.
Heat resistance:
- Bakelite exhibits high heat resistance, making it ideal for applications where it will be exposed to high temperatures. In the case of pressure cookers, the handle needs to withstand the heat generated during cooking without deforming or melting.
Insulation:
- Bakelite is an excellent electrical insulator, which is another reason for its use in the handle of pressure cookers. This property helps prevent electric shocks when touching the handle.
Durability:
- Bakelite is a durable material that can withstand repeated use and exposure to moisture, making it a long-lasting choice for pressure cooker handles.
Conclusion:
Overall, Bakelite's combination of heat resistance, non-conductivity, insulation properties, and durability make it an ideal material for the handle of pressure cookers, ensuring both safety and longevity.
Bakelite is the first synthetic plastic invented by Belgian chemist Leo Baekeland in 1907. It is a thermosetting phenol formaldehyde resin that has several properties making it suitable for use as a handle material in pressure cookers.
Non-conductor of heat:
- Bakelite is a poor conductor of heat, which means it does not easily transfer heat from the hot pressure cooker to the handle. This property is crucial for ensuring the safety of the person handling the pressure cooker.
Heat resistance:
- Bakelite exhibits high heat resistance, making it ideal for applications where it will be exposed to high temperatures. In the case of pressure cookers, the handle needs to withstand the heat generated during cooking without deforming or melting.
Insulation:
- Bakelite is an excellent electrical insulator, which is another reason for its use in the handle of pressure cookers. This property helps prevent electric shocks when touching the handle.
Durability:
- Bakelite is a durable material that can withstand repeated use and exposure to moisture, making it a long-lasting choice for pressure cooker handles.
Conclusion:
Overall, Bakelite's combination of heat resistance, non-conductivity, insulation properties, and durability make it an ideal material for the handle of pressure cookers, ensuring both safety and longevity.
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The handle of pressure cookers is made of plastic because it should be made non-conductor of heat. The plastic used here is the first man-made plastic, which is:a)Polytheneb)Terylenec)Nylond)BakeliteCorrect answer is option 'D'. Can you explain this answer?
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