Electrical engineering material miscellaneous
- Match the items of List-I with their applications given in List-II, and choose the correct answer from the codes given above the lists:
List-I (Items) List-II (Applications) A.Tungsten 1. Commutator B. Lead-tin alloy 2. Transformer C. Mineral oil 3.Fuse D. Mica 4. Lamp filament 5. Heating element
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List-I List-II * Tungsten → Lamp filament * Lead tin alloy → Fuse * Mineral oil → Transformer * Mica → Commutator Correct Option: C
List-I List-II * Tungsten → Lamp filament * Lead tin alloy → Fuse * Mineral oil → Transformer * Mica → Commutator
- In a photostat machine, the drum is made of:
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In a photostat machine, the drum is made of selenium coating.
Correct Option: A
In a photostat machine, the drum is made of selenium coating.
- Which of the following is not an example of electrical engineering material?
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Cernet is not an example of electrical engineering material.
Correct Option: C
Cernet is not an example of electrical engineering material.