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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. The lift coefficient is influenced the most by:

the air foil curving. the speed of flow. the air foil thickness.

3. The aerodynamic drag is a sum of:

parasitic drag, form drag, interference drag and rolling drag. parasitic drag and supportive drag. form drag, friction drag, induced drag and interference drag.

4. The lift on the aerofoil:

is created due to angle of attack and change of air temperature above and below of the wing. is generated by the Coriolis force and by equalizing pressure above and below the aerofoil. is created due to different speed of flow above nad below the aerofoil.

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

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

6. A paraglider stall occures when:

the pilot breaks too much. the glider overcomes the pilot when taking off. the speed system is pushed too fast.

7. At the critical angle of attack:

the lift coefficient reaches its maximum values, over further increasing of the angle of attack the lift coefficient decreases abruptly. the drag coefficient drops abruptly. the lift coefficient sharply increases.

8. The aircraft falls when:

it gets over the critical angle of attack. the pilot makes too sharp turn. the aircraft take off weight is higher then maximum allowed.

9. A prerequisite for the condensation of the saturated water vapor in the troposphere is the presence of condensation nuclei which are:

solid and liquid particles. solid particles. liquid particles.

10. The beginning of thunder storm is characterized by:

frequent lightning. rain on the earth's surface. persistent ascending currents.

11. The correct ICAO abbreviation of northwest wind is:

NW SE SW

12. What temperature stratification is favorable for the occurence of vertical motions in the troposphere?

stable indifferent instable

13. Dangerous storm phenomena are:

strong updrafts and hight of the Cb could. the density of the Cb cloud which consists of liquid and solid state of water. strong updrafts with maximums in the upper half of CB cloud, stong turbulence, strong downdrafts with maximums near the CB cloudbase, frosts, electric characteristics of the Cb cloud.

14. Condensed isobars on the synoptic map indicate:

high temperature difference. pressure level of the area. greater pressure difference and therefore stronger wind.

15. Turbulence is defined as:

forces acting on the aircraft in different directions and giving this aircraft various supplementary accelerations. forces increasing the aircraft’s velocity. forces acting on the aircraft in vertical directions.

16. I increase the flight speed by:

pulling the trimmers. pulling a bit of steering. depressing the speed system.

17. The take off direction and place choice is subject to:

the wind reported by the nearest meteorological station. the wind in the valley by the landing zone. the wind at the take off considering the wind direction above the mountain ridge.

18. The take off control includes:

the check of canopy, carabiners, weather and space in the direction of flight and landing. the check of glider and harness wear and tear, stitching, carabiners, helmet and instruments. the check of harness, lines, canopy, weather and space.

19. When entering a thermal current:

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

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

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

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

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

23. The most suitable maps for aeronautical navigation are:

those with precise angles. the maps which truly reflect the topographic situation and angles. maps with 1 : 500 000 scale.

24. The location of geographical and magnetic poles is:

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

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

negative hight, so called dephtines. alitude. declination.

26. Terrain formations such as forests, meadows, lakes, castles, roads, railways etc. are called:

map projections. topographic area. topographic situation.

27. Magnetic north is a direction given by:

the theoretical line intersecting the earth center and the surface of the earth in points called magnetic north and magnetic south. measurements on a map. the compass needle free of any interferences.

28. The reserve parachute is used so that:

Pull the rezerve parachute handle; when the needles are torn out, the reserve parachute opening system is activated. By pulling the handle the reserve parachute is activated; the handle can be lost. Pull the reserve parachute from the harness and throw it into a free space letting go the handle too.

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

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

30. The best when blown behind a ridge is: Při přefouknutí přes kopec je nejbezpečnější

to fly with the wind as far as possible to a possible emergency landing field. to do big ears which will help to fly through turbulences by increasing surface load of the wing. to use a reserve parachute which is more stable in turbulences.

31. If one side of canopy is stalled, the pilot should:

hold down the already pulled steering and counter-steer the rotation by weight-shift. pull the second steering fully and then release both. release the steering continuously.

32. When flying on speed system:

The paraglider is prone to symmetrical or asymmetrical collapses. The paraglider will increase its speed and will be more prone to symmetrical or asymmetrical collapses. The paraglider will increase its speed and it will be more stabile thanks to better flow.

33. A glider with an asymmetric collapse tends to:

turn rapidly to the side with the collapse and then rotate or slowly return into straight flight. fall quickly and therefore it is necessary to prevent such situations at any cost. fly on, but pilots tend to do unwise piloting inputs.

34. A light aircraft can be steered by:

a pilot who holds a valid pilot license with the appropriate qualifications or a person authorized by the light aircraft operator in the presence of the pilot, or a student pilot under the conditions laid down in the training curriculum. a pilot who holds a valid assessment on medical fitness or a student pilot under the conditions laid down in the training curriculum. a pilot who holds a valid pilot license with the appropriate qualifications or a student pilot under the conditions laid down in the training curriculum.

35. An overtaking plane is that which approaches the overtaken aircraft from behind on a line forming with a plane of symmetry of the overtaken aircraft angle of less than:

60 degrees. 80 degrees. 70 degrees.

36. In G class airspace there is:

a request of permanent two way connection. no request of connection. a request of connection for flights above 150 m AGL.

37. Upper limit of G class airspace is in:

300 m AGL 300 m STD 300 m AMSL

38. Can I meet an airliner in Class E airspace?

Yes. No. Only in clouds.

39. A pilot must have a valid pilot's license on him:

at every flight. at every cross country flight. at a flight outside the airport.

40. What is it CTR?

Terminal controlled area. An air space where VFR flights are forbidden. Control zone of an airport.

41. Risers are:

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

42. A paraglider is the most damaged by:

UV rays, wet storage and abrasion. sun and wrong packing. winch tow flying, powered paragliding and operation on wet grass.

43. A pilot should have his mobile phone:

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

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

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

45. Choose the true statement about a position of a serious injury afflicted:

If the afflicted person actively takes some position, we do not prevent it. If the afflicted is communicating he should always be placed into position on the side (the "stabilized" or "recovery" position). If the afflicted is unconscious, he should always be placed in "anti-shock" position with legs and arms raised as high as possible to restore blood flow to the brain.

46. During an improvised transport of an unconscious afflicted:

caution is not important because the unconscious afflicted doesn’t feel pain anyway. special attention should be payed to caution and head fixation. the process should be as fast as possible.

47. Resuscitation (animation) is needed to be performed if the afflicted:

is unresponsive, not moving and not breathing, or only "gasping" breaths are seen. is unresponsive and there is no pulse on carotid artery (the breathing state is not important). is unresponsive, not moving, regardless of the state of breathing (a layperson is not able to reliably judge the respiratory status).

48. Clearing the airway of unconscious patient is done primarily using:

stabilised position. backward head tilt. forward head tilt.

49. "Secondary examination" of an injury afflicted means:

an inspection of afflicted "head to toe" in order to uncover any injury changes on body. the second (and next) control examination to determine if there is a deterioration in the status. an examination by another independent person to verify the initial conclusions.

50. The helmet of the afflicted:

should be taken off by pulling in the long axis of the body with permanent fixation of the head and neck. should be taken off only by gente tilting nad twisting. must never be taken off.