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Student & Learning Zone - City & Guilds
Mock exam question
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<blockquote data-quote="Captain Kirk" data-source="post: 555933" data-attributes="member: 16492"><p>The question is very poor and looking a previous papers - "selectivity" should be "discrimination"</p><p>Basically what would happen if the appliance fuse was a higher rating than the MCB. </p><p></p><p>The answer is that the MCB would trip first causing the loss of the whole circuit instead of the appliance only, in the event of an appliance fault</p></blockquote><p></p>
[QUOTE="Captain Kirk, post: 555933, member: 16492"] The question is very poor and looking a previous papers - "selectivity" should be "discrimination" Basically what would happen if the appliance fuse was a higher rating than the MCB. The answer is that the MCB would trip first causing the loss of the whole circuit instead of the appliance only, in the event of an appliance fault [/QUOTE]
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Mock exam question
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