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Test - PL A

1. Lift arises when an aerofoil is in flow due to the creation of a pressure differential above and below the aerofoil. What is the pressure below and above the aerofoil and what is the ratio of their sizes at normal angles of attack?

There is overpressure below the aerofoil and negative pressure above the aerofoil in the ratio of 1/3 of overpressure and 2/3 of negative pressure. There is overpressure below the aerofoil and negative pressure above the aerofoil in the ratio of 1/3 of overpressure and 2/3 of negative pressure.

2. When air flow is laminar:

there is a relative mix of streamlines. there is a relative mix of streamlines but at the end of given aerofoil there are no significant eddies in the flow. there is no relative mix of streamlines.

3. What kind of change of flow speed and static pressure causes the widening of streamlines in a specified place?

The speed will decrease, the static pressure will decrease. The speed will increase, the static pressure will increase. The speed will decrease, the static pressure will increase.

4. In the moment of flying in a sinking currant the angle of attack:

increases. does not change. decreases.

5. The inner wing side angle of attack of a turning paraglider:

is changing because the wing banks in the same moment. is changing due to a change of trailing edge position. is not changing.

6. When a paraglider is in steady flight in an ideal environment (no wind) at a glide ratio 6, then it means that:

it will fly 1 km far from the altitude of 6 km. its velocity is 6 m/s. it will fly 6 km far from the altitude of 1 km.

7. When an aircraft is flying with such an angle of attack that its gliding ratio is ', it means that:

it is flying under an angle 10° towards the ground. it will fly 1 km in 10 s. it will fly 10 km far from altitude 1 km in no wind.

8. When a paraglider is in steady flight in an ideal environment (no wind) at a glide ratio 6, then it means that:

the lift is 6 times greater then the drag. it is flying at the speed of 6 m/s and the lift of the paraglider is 6 times greater then its drag. the lift of the paraglider is 6 times less then its drag.

9. Air density:

decreases with decreasing air temperature. increases with decreasing air temperature. increases with increasing air temperature.

10. Which of the following processes in the air layer may lead to the formation of cumulus and cumulonimbus cloudiness?

Subsidence. Convection. Stable air layers lifting on frontal boundary.

11. The form of precipitation falling out of vertically developed cloud type Cb - cumulonimbus is mostly:

rain and hail. light rain. drizzle.

12. At the passing active II. kind cold front we encounter typical dangerous phenomena:

low clouds, thick stratiform clouds and strong persistent rainfall. icing, persistent rainfall, impaired visibility. strong turbulence, severe icing, active thunderstorm activity, heavy showers, strong winds.

13. In the air mass without cloudiness, the air temperature at the surface is 15 ° C and 1000 m higher the temperature is 13 ° C. This layer of air is:

unstable. conditionally unstable. stable.

14. In which of the following changes of state is latent heat released?

Gas into liquid. Solid substance into gas. Liquid into gas.

15. If a paraglider or powered paraglider pilot sees a Cumulonimbus cloud while flying, he should:

fly around the storm area in a safe distance. land on a suitable landing field as soon as possible. fly under the cloud in a safe vertical distance from its cloud base.

16. In stronger wind it is better to take off:

down at a sufficient distance from the mountain top. so that the canopy is at the level of mountain top and the pilot a bit lower. at the top of the mountain.

17. An asymmetric collapse of about 1/2 of the leading edge should be solved by:

weight shift into the non collapsed side and light break of the same side to keep the glider in straight flight. no inputs in steering letting the glider reinflate. weight shift into the collapsed side and light break of the non collapsed side to keep the glider in straight flight.

18. Ridge soaring is practiced so that:

we fly alongside a slope just above its lee side turning 180° into the wind at the turn points which means against the slope. we fly alongside a slope at its windward side turning 180° into the wind at the turn points. we soar the wind wave just above the mountain ridge turning 180° at the turn points no matter what direction.

19. When entering a thermal current:

the canopy lilts backwards and can shoot forward afterwards. the canopy tilts sidewards and can get asymmetric collapse. the canopy shoots forward and can collapse.

20. When entering a thermal current:

the glider usually tends to collapse and therefore the pilot should break a bit before turning. the glider informs the pilot by its movements about the strength of the lift and usually also about which direction is better to turn. the canopy always tends to collapse and therefore the pilot must brake.

21. When entering a downdraft:

the canopy tilts backwards and can shoot forward afterwards. the canopy shoots forward and there is a danger of frontal collapse. the canopy tilts sidewards and can get asymmetric collapse.

22. When comparing the map with the terrain the most important is:

accurate compass. accurate watch. to carefully view the terrain ahead of the aircraft, alongside the aircraft and consistently compare the map with the terrain.

23. Time is reported:

in degrees. in hours, minutes and seconds, so that a minute begins with 31. sec of a past minute and ends with 30. sec of actual minute. in hours, minutes and seconds, so that a minute begins with 1. sec and ends with 60. sec.

24. The location of geographical and magnetic poles is:

not identical. identical. The magnetic pole is always to the east from the geographical pole.

25. Contour lines are curves connecting points of the same:

declination. negative hight, so called dephtines. alitude.

26. Geographical North and South:

change location depending on annual periods. are influenced by the Earth’s magnetism. do not change location.

27. The prime meridian is:

a meridian not passing through observatory in Greenwich, but only a small circle. meridian, also called the base meridian, passing through Greenwich Observatory in England. the meridian, at which the latitude and longitude equal 0.

28. If I stall the glider:

I use the reserve parachute; if there is not enough hight, I release the steering quickly. I release the steering continuously. I use the reserve parachute; if there is not enough hight, I hold the steering down firmly.

29. After a tall tree landing:

you should climb down as fast as possible to show that you are OK. you should wait until your friends come and then you climb down while they are ready to catch you if needed. you should do maximum via reachable means to get professional rescue help (a cellphone or radio call, waiting for friends, whistle ect.)

30. Your special equipment for safety maneuvers training should be:

a life jacket, an orange helmet and light shoes. a life jacket and a flare. a life jacket, a hook knife for cutting lines or risers.

31. When landing in water surface a pilot should steer the glider:

with the wind. against the wind. with the wind from a side.

32. In strong wind a pilot flew in a place where his ground speed against the wind is zero:

He should step in the speed bar and make big ears. He should fly with sidewind or windwards as the terrain allows as far as possible to an alternative landing field. He should keep flying against the wind and emergency-land in the terrain below him.

33. After an asymmetric collapse the correct procedure is:

no sudden piloting inputs; a certified paraglider will return into straight flight itself. weight shift in the not collapsed side of the glider and brake the same side slightly to stop rotation.maximálně se vyklonit na nezaklopenou stranu a také ji přibrzdit tak, aby nedošlo k rotaci pulling the steering on the not collapsed side quickly and fully to help the regeneration of the canopy.

34. The AGL abbreviation by a height data in the airspace map means:

the hight according the local atmospheric pressure. the hight above the see level. the hight above the ground level.

35. Flying above a gathering of people at such a height that would not allow a safe landing in case of danger without endangering pilots or people on the ground is:

forbidden. allowed. possible only at an air show with a valid authorization issued.

36. An aircraft having priority must maintain its course and speed:

The course must be kept but speed can be changed. This rule does not relieve the aircraft commander of responsibility to carry out such measures that will the best prevent a collision. These conditions must not be changed.

37. The information about CTR, TMA, LKR, LKP position is in:

official CAA map. valid AIP or ICAO map. ADAC map.

38. LAA regulation, which governs the rules of flying a paraglider in the Czech Republic is called:

ZL - 1 PL - 2 ZL - 3

39. The dangerous airspace (LKD) is is an area where flying is:

dangerous. restricted. prohibited.

40. The lower limit of a control zone (CTR) is formed by:

the ground surface. a specified altitude. the upper limit of the G class air space.

41. Risers are:

up-going thermal currents. pilots who get up early. the webbings which connect a glider's suspension lines to a pilot's harness.

42. Initial examination includes:

vital functions check according to the chart A-B-C. fast check of the afflicted „from head to toe” with emphasis on injury signs. finding the circumstances of the incident, the patient's problems and possible diseases which he is suffering.

43. The signal to the rescue helicopter from persons on the ground is done:

by standing with arms up in Y shape. by waving any object of bright color. by standing with arms stretched sideways in A shape.

44. Resuscitation without artificial respiration is performed:

by chest compression at rate of about 100 times per minute; instead of artificial breath there is a break after every 30 compressions for 5 seconds. by continuous chest compression at rate of about 100 times per minute. by chest compression at rate of about 60 times per minute so that resultant minute rate would be the same as there was also the artificial respiration.

45. If the unconscious afflicted is not breathing:

We start the resuscitation immediately. We promptly transport him to the professional medical service. First we try to free the airway.

46. The most effective anti shock precautions in laic first aid (after securing vital functions) are:

thermal comfort, lots of sweet liquids, position on side. fracture fixing, wound and abrasions treatment. convenient position, thermal comfort, calming.

47. Signal to perform by a person on the ground to cancel the need of rescue helicopter landing is:

to stand and rhythmically move arms up and down wit palms turned upwards. to stand with one arm up and second arm along the body (a paraphrase of the letter N). to wave by any object of red color.

48. The A-B-C protocol in initial examination stands for:

1. check the Airway, 2. check the Breathing and 3. restore the Circulation (using Compressions). 1. open the Airway with a head tilt, 2. start the artificial respiration = Breathing, 3. start the chest Compressions. Anamnesis, Breathing,Chest injury check.

49. Chest compression during resuscitation is performed:

by the lower end of chest bone. in the middle of chest bone. next to left nipple.

50. A pilot should have his mobile phone:

placed in the pocket of the harness so that it could not cause any injury in case of an accident. placed so that it could be reached in any position of pilot’s body. switched off because the aviation regulations forbid the use of mobile phones in flight.