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Test - PL A

1. Where on the aerofoil the flow separation starts?

In the wake on the suction side of the aerofoil from the leading edge end. In the boundary layer at the suction side of the aerofoil from the leading edge end. In the boundary layer at the suction side of the aerofoil from the trailing edge end.

2. The lift on the aerofoil:

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

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

the lift of the paraglider is 6 times less then its drag. 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.

4. Lift is:

the resultant aerodynamic force generated by flow around a profile. an area resistance given by the angle of attack. a force generated by flow around a profile perpendicular to the drag force.

5. The centre of gravity of an aircraft:

is a point where the resultant aerodynamic force acts. is a point where the resultant aerodynamic force and force of gravity acts. is a point where the force of gravity acts.

6. At the critical angle of attack:

the lift coefficient sharply increases. 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.

7. The separation of streamlines is when:

turbulent flow around the upper surface of the wing switches to laminar flow. the airflow becomes detached from the surface of the aerofoil. the streamlines leave the aerofoil after copying its shape.

8. Spiral is a flight mode when:

the air flow doesn’t detach from the aerofoil. the flow gets separated from the aerofoil on the inner side of the turning wing. the flow gets separated from the aerofoil on the outer side of the turning wing.

9. Anabatic flow is:

the wind coming up the mountain slopes due to thermic. the land breeze. a gusty mountain breeze.

10. When I. kind cold front passes, the precipitation zone is:

before the front line. after the front line. at the front line.

11. Half of the weight of the earth's atmosphere is located in the bottom:

8 km 3 km 5 km

12. The beginning of thunder storm is characterized by:

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

13. We call it unstable stratification when in unsaturated air:

an unsaturated particle stops at a level at which external force has ceased to act. an unsaturated air particle as it exits from the equilibrium position continues to climb even when the external force ceases to act. an unsaturated particle, after removal of the external force, returns to its original position.

14. What type of precipitation can be expected on an active cold front?

Light persistent rain. Showers and thunderstorms. Drizzle.

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

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

16. 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.

17. What does the term „spin” mean?

Symmetric paragider stall. Asymmetrical (one side) paraglider stall. A spiral.

18. The heading of aircraft and its direction of movement compare to ground is:

the same when flying in no wind or exactly against the wind or with the wind. always the same. the same when flying in no wind or with the wind exactly from left or right.

19. By releasing the speed system the flight speed is:

decreased. increased. unaffected; only the angle of attack increases.

20. When entering a thermal current:

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 glider usually tends to collapse and therefore the pilot should break a bit before turning. the canopy always tends to collapse and therefore the pilot must brake.

21. B-stall is performed by:

by gradual pulling the first row risers. by pulling the second row risers. by gradual pulling the rear row risers.

22. The globe is:

a net of coordinate lines. a rotating ellipsoid flattened at the poles. ideal sphere.

23. Which of the following conditions is the most important for comparative navigation?

A good map and navigation skills of the pilot. Experience of the pilot and his estimation. Navigational preparation before flight, map, visibility of ground.

24. When performing comparative orientation it is always more reliable:

to carefully view the terrain below the aircraft. to focus on one landmark. to locate and identify several landmarks.

25. 045 degrees is direction:

north east. north west. south west.

26. Magnetic north is a direction given by:

the compass needle free of any interferences. 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.

27. 9 cm in map with 1 : 500 000 scale refers of real distance:

50 km 45 km 60 km

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

I should collapse the rescue parachute by pulling its lines. 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 prepare for the landing on the rescue, nothing else can be done anyway.

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

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

31. 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.

32. Use the reserve parachute without hesitating:

after being blown behind a mountain ridge. under a Cumulonimbus cloud. in rapid uncontrolable rotation.

33. If a pilot is being dragged by strong wind along the ground, he should:

wait until the glider stops itself. pull the steering lines or rear lines/risers. pull the A risers or lines.

34. The aircraft must not fly at such a distance from other aircraft that would:

restrict the other aircraft. create a collision hazard. be less then 150m.

35. Two of the same category aircrafts are flying in one track against each other. Na vstřícné trati letí letadla stejné kategorie. Actions of avoidance are:

Both aircrafts will change their curse to the right. You will turn to the right, the other aircraft will turn to the left. Both aircrafts will change their curse to the left.

36. Except for takeoff or landing or except by permission issued by the Authority a VFR flight must be conducted above the ground or water at a height of not less than:

150 m except for ridge soaring. 150 m 300 m

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

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

38. Flying a paraglider is allowed:

from sunset to sunrise. only during a day, which means between morning civil twilight and evening civil twilight or in a similar period of time which can be designated by a competent authority. in VFR conditions during a day; a day is considered as a time period between sunrise and sunset.

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

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

40. 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:

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

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:

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

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

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

44. To prevent heat loss the most effective is:

To wrap undressed afflicted tightly in an "anti-shock" foil. To cover dressed afflicted gently with an "anti-shock" foil. To wrap dressed afflicted tightly in an "anti-shock" foil.

45. Resuscitation can be (among others) terminated:

if it has reliably been found that the afflicted is older than 70 years. after 20 min of performing it without any obvious effect. when consciousness is restored - the patient begins to respond.

46. If one layer of pressure bandage is not enough to stop bleeding from a wound on leg:

We apply another 1 or 2 layers or, if still not enough, use a tourniquet. We take off the old bandage and apply a new one and tighten it better. We urge the arrival of emergency services and re-emphasize the urgency of the case.

47. During an improvised transport of an afflicted:

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

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

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

49. In practice, we can recognize the malfunction of blood stream (cardiac arrest) by the fact that:

the afflicted is unresponsive, does not breath or does only gasping breaths and does not move. we cannot feel the pulse at the carotid artery. we cannot feel the heart beating on the chest.

50. A foreign object (e.g. little stone, sherd or so):

is to be removed from a wound if it is possible without excessive violence (e.g. rinsing with water, gently pulling etc.). is never to be removed - cover the wound with anything in it and soak the bandage with disinfection. must be removed even if surrounding tissue is damaged and then the wound needs rinsing with disinfection.