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Test - PL A

1. Which of the following pilot inputs increases the angle of attack?

Pushing the speed system. Releasing the steering. Pulling the steering.

2. The aerodynamic drag is a sum of:

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

3. The main cause of the stall is always:

the start of transition of laminar flow into turbulent flow on the surface of the glider. exceeding the critical angle of attack. decreasing the flight speed under the minimum forward ground speed in a steady flight.

4. 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.

5. Turning of a paraglider is the result of:

changes in the distribution of aerodynamic forces on one half of the canopy. changes of the size of projected area of the canopy. changes in the distribution of aerodynamic forces on the canopy.

6. In a normal steady flight:

there is negative pressure on the upper surface and overpressure on the lower surface of the wing. there is overpressure on the upper and lower surface of the wing. there is overpressure on the upper surface and negative pressure on the lower surface of the wing.

7. If the pilot weight increases the paraglider or powered paraglider speed:

increases. does not change. decreases.

8. When air flow is laminar:

there is no 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 a relative mix of streamlines.

9. A certain volume of moist but unsaturated air rises. Which of the following changes?

Relative humidity. Absolute humidity. Mixing ratio.

10. At what altitude the barometric pressure reaches about a half the pressure to the mean sea level?

3000 m MSL 5500 m MSL 7000 m MSL

11. Increasing distance between isobars means that in the given area the air velocity will be:

faster. the distance between isobars tells nothing about the air velocity. slower.

12. Which of the phenomena occurring on the II. kind cold front are particularly dangerous for low-flying aircraft?

High pressure and temperature drop. Strong turbulence limited to the narrow space of vortex - the microburst, with axis approximately at the base of Cb - cumulonimbus cloud. Drop of cloud base, sometimes even to the ground.

13. What prevents the air flow from areas of high pressure directly into the area of low air pressure?

Friction on the earth's surface. The force caused by the pressure gradient. The Coriolis force.

14. What vertical temperature stratification is typical for advection fog?

Drop of temperature with altitude. Isothermy. Inversion.

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

indifferent instable stable

16. When entering a downdraft:

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

17. How many items is there in the pre start check?

Seven. Three. Five.

18. Spiral is performed by:

pulling at first both the brakes and then loosening one brake all the way up while the other pulling completely down - the paraglider descends circling in a dynamic and fast rotation. a smooth transition from a turn into sharper and sharper turn via gradually increased brake input and body weight shift in the same side in which turning. weight shift in the intended turning side, pulling the steering on that side and pulling down the front riser on the other side.

19. What are the possible wind direction indicators in a strange place where there is no wind sock?

Grass waves, smoke, tree shaking, moving dust or other light objects in the air. Circling of birds of prey, direction of cloud shades movement and waves on water surfaces. Positions of gliders on the ground which landed earlier.

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

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

21. So called escaping maneuvers include:

spiral, full-stall and B-stall. spiral, big ears and B-stall. spiral, spin and B-stall.

22. 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.

23. 045 degrees is direction:

north west. north east. south west.

24. The prime meridian is:

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

25. Comparative navigation involves:

comparing the calculated times with the reality. comparison of data of navigation devices (GPS) with a map. comparing terrain with a map and vice versa.

26. Direction south is reported by:

360° 090° 180°

27. The flight velocity displayed by GPS is:

true air speed. indicated air speed. ground speed.

28. A glider with an asymmetric collapse tends to:

fly on, but pilots tend to do unwise piloting inputs. 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.

29. 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.

30. If the steering line brakes, the correct procedure is:

steering by another suitable line and the other steering line or, if there is enough hight, use the reserve parachute. turning only in the side where the steering line is OK. steering via weight shift and cautious pulling of the rear risers.

31. If during a flight the reserve parachute drops out accidentally and opens:

I should try to collapse the glider canopy by pulling rear risers or steering to minimise its influence into reserve parachute flight and I should get prepared for landing. I should collapse the rescue parachute by pulling its lines. I prepare for the landing on the rescue, nothing else can be done anyway.

32. In mid-air collision about 50 to 100 m above the terrain the correct procedure is:

using the reserve parachute. stalling the glider and so clear the contact with the other aircraft. to execute a descending maneuvre.

33. During flight a pilot should have his cellphone (if it is available):

in any place, because he cannot telephone during flight anyway. in the back harness pocket so it could not break or harm the pilot in case of accident. in a place, where he can reach it by any hand from the flying position.

34. The upper limit of LKP airspace is:

in 1500 m AMSL. in various altitudes (see AIP or valid ICAO map). in FL 125.

35. A pilot must always have:

a pilot's license or a student document, the airworthiness certificate, a proof of insurance for damage caused the aircraft operation, medical certificate of flying eligibility. a proof of identity, a pilot's license or a student document, the technical certificate of the aircraft, a proof of insurance for damage caused by the aircraft operation. a proof of identity, a pilot's license or a student document, the airworthiness certificate, a proof of insurance for damage caused the aircraft operation, medical certificate of flying eligibility.

36. Except for takeoff or landing, or except by permit issued by the Aviation Authority, a VFR flight must be conducted over the congested areas or gathering of people in the open air at a height that may not be less than:

150 m above the highest obstacle within a radius of 600 m from the aircraft. 300 m above the highest obstacle within a radius of 300 m from the aircraft. 300 m above the highest obstacle within a radius of 600 m from the aircraft.

37. 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:

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

38. 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:

80 degrees. 70 degrees. 60 degrees.

39. The minimum age of student for beginning of theoretical and practical paragliding training in the Czech Republic is:

16 years with the consent of his legal guardians. 15 years with the consent of his legal guardians. 14 years with the consent of his legal guardians.

40. The minimum allowed flight visibility in class E airspace is:

5 km 1,5 km 8 km

41. A paraglider is the most damaged by:

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

42. Initial examination includes:

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

43. 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.

44. Unless prevented by special circumstances, the best for the accident afflicted is:

the "Anti-shock" position with legs and arms raised as high as possible„ a position on the side („stabilized” or „recovery” position). a position that the afflicted person wants to take.

45. During an improvised transport of an afflicted:

the specific position is not a question but the fact that the afflicted is fixed and the position does not change suddenly. the limbs should be stretched along the long axis of body. the head should be placed so that it could move in response to terrain unevenness.

46. The best way of use of the „anti-shock” foil (thermal blanket) is:

The afflicted is tightly wraped into it including head, only face is uncovered. It is laid under the afflicted. The afflicted is carefully covered with it.

47. An afflicted suddenly collapsed during the ascent of the hill, he is lying down not moving, takes a deep breath about once in twenty seconds. Another witness of the incident tries to feel pulse on his neck and reports weak and rapid pulse. It is necessary to call for help immediately and:

Initiate resuscitation. So called "gasping breaths" are typical of sudden cardiac arrest. Pulse palpation by layman is unreliable and is not used for large number of errors - the first aider can feel his own heartbeat. Initiate artificial respiration because this breathing frequency is too low. Indirect heart massage is not needed because there are heartbeats and massage might damage lungs. Turn the afflicted into a stabilized position because there is a risk of vomit aspiration.

48. Chest compression during resuscitation is performed:

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

49. During an unsuccessful landing a pilot flew through a window and cut his wrist so badly that the wound is heavily bleeding, blood squirts. 10 cm long piece of broken glass projects from the wound. The afflicted person is conscious, pale, complaining of pain in his right ankle which is evidently deformed. We'll call an ambulance and:

lay the afflicted down on his back with legs lifted, apply a tourniquet on his forearm tightening it gently. We do not pull out the piece of glass on principle. put the afflicted in a semi sitting position, pull out the sherd and apply compressing bandage. fix the leg, lay the afflicted in the anti shock position, lift the wounded hand up and if the bleeding doesn’t stop, apply a compressing bandage.

50. If improvised transport of an insured PG pilot is necessary (for example in difficult terrain), as the best means of transport will serve:

his paragliding harness. into a stretcher tied straight branches. the canopy folded in a suitable rectangular shape.