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Test - PL A

1. 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.

2. The separation of streamlines is when:

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

3. Lift is:

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

4. The main cause of the stall is always:

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

5. What size and direction is the resultant aerodynamic force in a steady gliding flight?

It is equally oriented but smaller then gravity force and that is why the paraglider in steady air always descends. It is oppositely oriented but smaller then gravity force and that is why the paraglider in steady air always descends. It is the same size and of the opposite direction as the gravityy force.

6. The paraglider glide ratio is defined as:

the ratio between the horizontal and vertical velocity component of the paraglider. the relation between the glider performance and vertical speed. the weight and lift ratio.

7. Turning of a paraglider is the result of:

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

8. Bringing a paraglider close to the critical angle of attack is manifested by:

sudden increase of descent rate. significant rise of forces in steering lines. decrease of steering forces.

9. In the definition of standard atmosphere the pressure and temperature values at mean sea level are:

1013,25 hPa, 0°C 1013,25 hPa, +15°C 1015 hPa, +10°C

10. Which of the following cloud types may reach up into the stratosphere?

Cirrostratus Cumulonimbus Cumulus

11. Among the clouds with a great vertical development is:

Cb – cumulonimbus Cc – cirocumulus Ac – altocumulus

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

rain and hail. light rain. drizzle.

13. Near ground storm demonstrations which are dangerous for air traffic are:

Microbursts before the head of the storm, strong updraft currents in front of the microburst, strong downdraft currents after the microburst in the precipitation area and wind gusts. Persistent rainfall. Drop of cloud base, visibility reducing.

14. What are the characteristic signs of the weather on the leeward side of the mountains during Fohn?

Overcast, precipitation, good visibility. Few clouds, unusual increase of temperature, low humidity, often strong winds. Variable cloudiness and occasional rain, moderate or no wind.

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

3 km 5 km 8 km

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

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

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

18. 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.

19. 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. 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.

20. 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.

21. What does the term „spin” mean?

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

22. Direction south is reported by:

090° 360° 180°

23. The flight velocity displayed by GPS is:

ground speed. indicated air speed. true air speed.

24. 9 cm in map with 1 : 500 000 scale refers of real distance:

60 km 50 km 45 km

25. Sooner then in Prague, the sun rises in:

Moscow. London. Paris.

26. Course is measured in degrees from north:

clockwise to the east and counterclockwise to the west. clockwise. counterclockwise.

27. The prime meridian is:

the meridian, at which the latitude and longitude equal 0. 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.

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

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

29. 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.

30. If I stall the glider:

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

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

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

32. For emergency landing You would prefer:

buildings. water. trees.

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. fly on, but pilots tend to do unwise piloting inputs. fall quickly and therefore it is necessary to prevent such situations at any cost.

34. If two aircrafts are flying on lines facing each other or approximately such, each of them should give way by changing its course to the:

right. side which is more suitable for avoiding a crash. left.

35. The pilot (aircraft commander) is in competence to:

to decide definitively on the execution of a flight. to obey an operator's decision on the execution of a flight. The pilot has no right to decide on the execution of a flight.

36. When two light aircrafts are flying on intersecting tracks in free space, the right of way is of the light aircraft flying:

against the sun. from the right. from the left.

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

Only in clouds. No. Yes.

38. Airport operations are:

all flying aircrafts and aircrafts on the aerodrome operational area. all vehicles and persons operations on the aerodrome area. all traffic at the aerodrome area and all aircrafts flying in the vicinity of the airport.

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

ZL - 1 ZL - 3 PL - 2

40. The period of validity of the medical certificate on health ability for Czech pilots is:

36 months for persons between 30 and 60 years of age. 12 months for persons above 60 years of age. 24 months for persons between 35 and 60 years of age.

41. 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.

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. 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.

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

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

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

stabilised position. forward head tilt. backward head tilt.

46. During an improvised transport of an unconscious afflicted:

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

47. To prevent heat loss the most effective is:

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

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

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

49. A layperson without special training is performing resuscitation:

by chest compressions only. by chest compressions and artificial respiration in ratio 15:2. by chest compressions and artificial respiration in ratio 30:2.

50. Resuscitation can be (among others) terminated:

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