The equipment of an oxygen supply installation must be kept absolutely free of oil or grease traces as:4
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In a pressurized transport aircraft, the protective breathing equipment:4
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Hydraulic fluids must have the following characteristics 1. thermal stability 2. low emulsifying characteristics 3. corrosion resistant 4. good resistance to combustion 5. high compressibility 6. high volatility 7. high viscosityThe combination regrouping all the correct statements is:4
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The purpose of the cabin pressure controller, in the automatic mode, is to perform the following functions 1. control of cabin altitude, 2. control of cabin altitude rate-of-change, 3. limitation of differential pressure 4. balancing aircraft altitude with cabin altitude 5. cabin ventilation 6. keeping a constant differential pressure throughout all the flight phases The combination regrouping all the correct statements is:4
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If the pressure in the cabin tends to become lower than the outside ambient air pressure the:4
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The elements specifically protected against icing on transport aircraft are 1) engine air intake and pod. 2) front glass shield. 3) radome. 4) pitot tubes and waste water exhaust masts. 5) leading edge of wing. 6) cabin windows. 7) trailing edge of wings. 8) electronic equipment compartment The combination regrouping all the correct statements is:4
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Generally, for large aeroplanes, electrical heating for ice protection is used on:4
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The automatic fuelling shut off valve:4
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Which of these statements regarding cockpit windows are correct or incorrect?I. On some aeroplanes the cockpit windows have an additional speed restriction, related to bird impact, when window heating is inoperative.II. Cockpit side windows are always provided with a de-icing system.4
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Concerning the sequential pneumatic impulses used in certain leading edge de-icing devices, one can affirm that 1 - They prevent ice formation.2 - They are triggered from the flight deck after icing has become visible. 3 - A cycle lasts more than ten seconds.4 - There are more than ten cycles per second The combination which regroups all the correct statements is:4
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