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Test - PL A

1. At the critical angle of attack:

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

2. On the bottom side of the wing in flight there is:

no pressure. negative pressure. overpressure.

3. 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.

4. What will be the change of flow speed and static air pressure in a place where the streamline density increases?

The speed will increase, the static pressure will decrease. The speed will decrease, the static pressure will decrease. The speed will increase, the static pressure will increase.

5. The lift on the aerofoil is created by:

densification of streamlines below the aerofoil, the lower surface of the aerofoil thus generates a negative pressure; above the aerofoil the streamlines expand and thereby an overpressure occurs above the aerofoil. densification of streamlines above the aerofoil, the top surface of the aerofoil thus generates a negative pressure; below the aerofoil the streamlines expand and thereby an overpressure occurs beneath the aerofoil. the force of flowing air from front of the aerofoil (when the angel of attack is positive).

6. 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 increase. The speed will decrease, the static pressure will decrease. The speed will increase, the static pressure will increase.

7. 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.

8. The induced drag can be reduced by:

the wing arrow and air foil thickness. aspect ratio and favorable wing tip shape. the air foil thickness and special

9. Air density:

increases with decreasing air temperature. decreases with decreasing air temperature. increases with increasing air temperature.

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

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

11. What will be the surface wind characteristics in the area where on the surface meteorological map there are isobars close together?

Strong wind blowing perpedicularly to the isobars. Strong wind blowing approximately along the isobars. Weak wind blowing along the isobars.

12. In troposphere, at vertical rise of 100 m the pressure drop:

is the same in all altitudes. is higher in higher altitudes then in lower altitudes. is lower in higher altitudes then in lower altitudes.

13. The lowest layer of the atmosphere is called:

troposphere. stratosphere. mesosphere.

14. The air density of the atmosphere with altitude:

decreases. doesn't change. increases.

15. Among high level clouds are:

St – stratus, Sc – stratocumulus Cu – cumulus, Ac – altocumulus Cc – cirrocumulus, Cs – cirrostratus

16. What does the term „spin” mean?

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

17. The take off control includes:

the check of harness, lines, canopy, weather and space. 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.

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

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

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

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

20. 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.

21. Ridge soaring is practiced so that:

we fly alongside a slope just above its lee side turning 180° into the wind at the turn points which means against the slope. we fly alongside a slope at its windward side turning 180° into the wind at the turn points. we soar the wind wave just above the mountain ridge turning 180° at the turn points no matter what direction.

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

London. Moscow. Paris.

23. Comparative navigation involves:

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

24. Magnetic course is measured:

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

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

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

26. The most suitable maps for aeronautical navigation are:

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

27. The earth axix is a line intersecting the center of the earth perpendicularly to the equator. The points where this line intersects the earth surface are called poles and they are:

the marine poles. the magnetic poles. the geological poles.

28. Use the reserve parachute without hesitating:

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

29. 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.

30. The reserve parachute is used so that:

Pull the reserve parachute from the harness and throw it into a free space letting go the handle too. 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.

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

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

32. In strong wind a pilot flew in a place where his ground speed against the wind is zero:

He should fly with sidewind or windwards as the terrain allows as far as possible to an alternative landing field. He should step in the speed bar and make big ears. He should keep flying against the wind and emergency-land in the terrain below him.

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

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

34. 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.

35. TMA (Terminal Control Area)

can be flown under only with a two way radio communication with AFIS. cannot be flown under or over. can be flown under.

36. Verifying whether a paraglider technical certificate is valid is a duty of:

the operator. the aircraft commander (pilot). the head of air traffic.

37. Airport operations are:

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. all flying aircrafts and aircrafts on the aerodrome operational area.

38. A proof of liability insurance must be on board during all flights.

No. Yes. Not during an airport flight.

39. 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.

40. In G class airspace there is:

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

41. A paraglider is the most damaged by:

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

42. Initial examination includes:

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

43. 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 head should be placed so that it could move in response to terrain unevenness. the limbs should be stretched along the long axis of body.

44. Fractures of lower limbs are preferably fixed by:

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

45. Fractures of upper limbs are preferably fixed by:

hanging in a triangular bandage. using an improvised splint (branch, stick, etc.). tightening to the body in extended position.

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

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

47. When stopping bleeding by tourniquet, the principle is:

„The tourniquet must hurt.“ „The tourniquet must not hurt.“ „If using tourniquet, then properly.“

48. During an improvised transport of an unconscious afflicted:

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

49. "Gasping breaths" mean:

noticeably noisy breaths in fast pace; these breaths are typical for developing shock-like state. individual breaths in noticeably long intervals by the unconscious afflicted; these breaths are typical for cardiac arrest. noticeably fast but quiet and shallow breathing, typical for a patient with an airway obstruction.

50. 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.