The human ear is capable of perceiving vibrations between the frequencies4
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To optimise one's night-vision performance, it is necessary:- 1: to spend some time getting adapted to low levels of illumination- 2: to increase the instrument panel lighting by reducing the cockpit lighting- 3: not to focus on the point to be observed- 4: to avoid blinding sources of light4
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Presbyopia is:4
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Disorientation is more likely to occur when the pilot is:1. flying in IMC2. frequently changing between inside and outside references3. flying from IMC into VMC4. approaching over still water at night4
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Which procedure is recommended to prevent or overcome spatial disorientation?4
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On approach, by day, in snowy conditions, without reference to glideslope information:4
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One of the major protective measures against illusions is:4
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The carcinogen (a substance with the ability to produce modifications in cells which develop a cancer) in cigarettes is:4
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We can observe the following in relation to a state of hypothermia:4
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CO (carbon monoxide) present in the smoke of cigarettes can lead to:1. reduction of time of useful consciousness2. hypoxia at a lower altitude than normal4
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