In order to produce an alternating voltage of 400 Hz, the number of pairs of poles required in an AC generator running at 6.000 RPM is:4
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The advantages of grounding the negative pole of the aircraft structure are: 1) weight saving 2) easy fault detection 3) increase of short-circuit risk 4) reduction of short-circuit risk 5) circuits are not single-wired linesThe combination regrouping all the correct statements is:4
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Immediately after starting engine(s) with no other electrical services switched on, an ammeter is showing a high charge rate to the battery:4
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When AC generators are operated in parallel, they must be of the same:4
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The true statement among the following in relation to the application of Ohm's law is:4
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On detection of a persistent overvoltage fault on an AC generator connected to the aircraft AC busbars (paralleled bus system), the on-board protection device opens:4
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A rectifier is a unit that:4
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Usually, in conductive materials:4
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In computer technology, a storage peripheral is a:4
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The logic symbol shown represents (assuming positive logic):4
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