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Test - PL A

1. 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.

2. At the critical angle of attack:

the drag coefficient drops abruptly. 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.

3. The centre of gravity of an aircraft:

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

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. 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. 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 is 6 times greater then the drag.

6. When increasing the angle of attack:

the lift coefficient and drag coefficient increase. the lift coefficient increases and drag coefficient decreases. the lift coefficient and drag coefficient decrease.

7. How the speed system works?

It decreases the angle of attack by releasing the rear risers. It decreases the angle of attack by pulling the front risers. Sometimes it deforms the aerofoil shape. It increases the angle of attack by pulling the front risers.

8. Where on the aerofoil the flow separation starts?

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

9. In the area of high pressure in the northern hemisphere the wind close to the ground is blowing:

strait out from the middle of high pressure in the whole area. counter clockwise. clockwise.

10. Among free-convective low-level clouds is:

As - altostratus St - stratus Cu - cumulus

11. Humidity means:

snowing the amount of water vapor in the air precipitation fall

12. What are the other two conditions, besides forces causing air lift, necessary for the creation of a thunderstorm?

Stable conditions and high air pressure. Unstable conditions and high air humidity. Unstable conditions and low air pressure.

13. In meteorology, storm is:

a phenomenon identical with the term "cold front”. a natural phenomenon accompanied by intensive rainfall and electrical discharges. the most significant manifestation of convection in the free atmosphere.

14. Isobars are lines on surface weather maps that connect points:

of the same temperature recalculated to the sea level. of the same humidity. of the same pressure recalculated to the sea level.

15. Coriolis force acting on the wind is:

the centrifugal force. the friction force. inertia force causing bodies movement deflection, thus also the air flow.

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

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

17. B-stall is performed by:

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

18. I increase the flight speed by:

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

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

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

20. So called escaping maneuvers include:

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

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

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

22. 225 degrees is direction:

south west. south east. north west.

23. Magnetic course is measured:

from prime meridian. from geographical north of local meridian. from bearing indicator.

24. Geographic coordinates indicate:

certain geographical location. certain place name. time zone position.

25. Course is measured in degrees from north:

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

26. Comparative navigation involves:

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

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

50 km 60 km 45 km

28. You miscounted the landing approach and need to shorten it. You are 30 m above the ground:

By flying in figure eight or S turns you loose hight before the final glide. By pulling tips of the wing via the right lines you can reduce the effective surface of the wing and glide under a better angle to the ground. In such altitude is best to make a 360 turn.

29. Use the reserve parachute without hesitating:

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

30. After a tall tree landing:

you should do maximum via reachable means to get professional rescue help (a cellphone or radio call, waiting for friends, whistle ect.) 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.

31. 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.

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

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. in a place, where he can reach it by any hand from the flying position.

33. 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.

34. Conducting a paragliding training is only allowed to:

a competition pilot, a PG instructor and a PG instructor in training. a PG instructor and a PG instructor in training. a sport pilot and a PG instructor.

35. The paraglider canopy is damaged mostly by:

storage in dark and dry rooms. UV rays, mechanical abrasion and humidity. mice and other wild rodents.

36. The pilot of the aircraft not equipped with a radio intending to arrive or leave an uncontrolled airport should:

coordinate in advance their arrival or departure with the airfield owner. observe, for the departure or arrival, the avoidance rules. coordinate in advance their arrival or departure with the AFIS unit or the aerodrome operator.

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

ZL - 3 ZL - 1 PL - 2

38. Restricted air space (LK R):

must not be passed through. must be passed through. can be passed through under specified conditions.

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

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

40. If two or more aircrafts heavier then air are approaching one airport with the intention to land and the avoidance rules do not apply, the priority of landing is as follows:

the aircraft flying higher gives way to the lower flying aircraft. the slower aircraft gives way to the faster aircraft. the aircraft flying on left gives way to the aircraft flying from right.

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. 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.

44. Choose the true statement about a position of an unconscious afflicted:

The unconscious injury afflicted should always be placed on his back with his head tilted back. The unconscious afflicted must not be moved to eliminate the risk of further spine and spinal cord damage. If the afflicted is reliably breathing in the current position, we leave him in this position.

45. Treatment of wounds and fractures fixation of the afflicted by the accident is in the first aid performed:

always if there are gaping (deep) wounds and/or open fractures. always as a priority on any wound or fracture. only after the afflicted is out of vital functions malfunction danger.

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

Anamnesis, Breathing,Chest injury check. 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.

47. Fractures of lower limbs are preferably fixed by:

using an improvised splint (branch, stick, etc.). tightening to the other limb (only if that is not broken too). hanging in a triangular bandage.

48. 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.

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

If the afflicted is communicating he should always be placed into position on the side (the "stabilized" or "recovery" position). If the afflicted person actively takes some position, we do not prevent it. 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.

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

is unresponsive, not moving, regardless of the state of breathing (a layperson is not able to reliably judge the respiratory status). 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).