The air-conditioning pack of a present-day aircraft consists of several components: these include two heat exchangers the primary exchanger (P) and the secondary exchanger (S).The functions of these heat exchangers are as follows:4
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In flight, the most commonly used anti-icing method for the wings of modern commercial aircraft fitted with turbo-jet units is:4
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The fuel supply system on a jet engine includes a fuel heating device, upstream of the main fuel filter so as to:4
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The fuel cross-feed system:4
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The purpose of the baffles in an aircraft's integral fuel tank is to:4
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On a transport type aircraft the fuel tank system is vented through:4
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The types of fuel tanks used on most modern transport aircraft are:4
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The conditions to be met to activate a shunt generator are: 1. presence of a permanent field 2. closed electrical circuit 3. generator terminals short-circuited 4. minimum rotation speed The combination of correct statements is:4
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Electrical bonding of an aircraft is used to 1. protect the aircraft against lightning effects. 2. reset the electrostatic potential of the aircraft to a value approximating 0 volt 3. reduce radio interference on radio communication systems 4. set the aircraft to a single potentia The combination regrouping all the correct statements 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 risk5. Circuits are not single-wired line The combination regrouping all the correct statements is:4
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