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Test - PL A

1. Glide ratio is influenced only by:

the angle of attack (i.e. lift and drag coefficients). total weight. the velocity of flow.

2. Turbulent flow is:

when the air particles are not moving. the flow of air particles in the same direction. the flow of air particles in different directions.

3. The aircraft falls when:

the aircraft take off weight is higher then maximum allowed. it gets over the critical angle of attack. the pilot makes too sharp turn.

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. The lift acts:

always perpendicularly to the direction of flow attacking the aerofoil. always perpendicularly to the chord. always upwards from the aerofoil.

6. On which part of the glider canopy is the largest lift, seen from the front?

In the middle of the glider. At the side parts of the glider. The lift is evenly distributed.

7. Lift is:

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

8. If the angle of attack increases, the forward speed:

decreases. increases. stays the same.

9. Air density:

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

10. Precipitation falling out of the cloud systems of significant warm fronts are mainly:

occasional rainfall. persistent rainfall. showers.

11. Turbulence is defined as:

forces acting on the aircraft in different directions and giving this aircraft various supplementary accelerations. forces acting on the aircraft in vertical directions. forces increasing the aircraft’s velocity.

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

Drop of cloud base, visibility reducing. Persistent rainfall. 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.

13. Which of these cloud species belong among clouds of crystal composition?

Ns - nimbostratus, As - altostratus Cb - cumulonimbus, Ac - altocumulus Cc - cirocumulus, Cs - cirostratus

14. Which type of precipitation comes off water only containing clouds at mid-latitudes?

Intensive rain. Drizzle. Light rain with big drops.

15. The air mass is called unstable if there are:

inversions in it. stratified clouds in it. convective vertical motions in it.

16. When entering a thermal current:

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. the glider informs the pilot by its movements about the strength of the lift and usually also about which direction is better to turn.

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

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

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

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

19. So called escaping maneuvers include:

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

20. 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. Positions of gliders on the ground which landed earlier. Circling of birds of prey, direction of cloud shades movement and waves on water surfaces.

21. Ridge soaring is practiced so that:

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

22. Time of sunrise and sunset varies:

depending on the intensity of sunlight. influenced by the magnetic field of the Earth. with annual periods.

23. 9 cm in map with 1 : 500 000 scale refers of real distance:

50 km 60 km 45 km

24. 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.

25. Geographical meridian is:

a half of meridian circle. a circle around the globe. a segment of a circle whose plane is perpendicular to the earth's axis.

26. Geographical North and South:

are influenced by the Earth’s magnetism. do not change location. change location depending on annual periods.

27. 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.

28. If I stall the glider:

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

29. When sucked in a vertically developed cloud the best to do is:

to perform the most effective escape maneuver and try to keep flying against the wind. to steer the glider straight into the lightest part of the cloud. to keep circling through the cloud as high as possible and so fly over it.

30. Use the reserve parachute without hesitating:

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

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

I prepare for the landing on the rescue, nothing else can be done anyway. 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.

32. A glider with an asymmetric collapse tends to:

fall quickly and therefore it is necessary to prevent such situations at any cost. 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.

33. 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.

34. In G class airspace there is:

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

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

No. Yes. Only in clouds.

36. After landing at the airport, the altimeter set to the airport QFE indicates:

the airport altitude AMSL. 0. the airport altitude in standard atmosphere.

37. TMA (Terminal Control Area)

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

38. The paraglider canopy is damaged mostly by:

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

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

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

40. The upper limit of class E airspace is:

FL 95 (2900 m) FL 85 (2600 m) FL 125 (3800 m)

41. A paraglider is the most damaged by:

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

42. 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.

43. A layperson without special training is performing resuscitation:

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

44. The telephone number of medical emergency service in the Czech Republic is:

158 155 150

45. If the unconscious afflicted is not breathing:

First we try to free the airway. We start the resuscitation immediately. We promptly transport him to the professional medical service.

46. „Surgical” rubber gloves:

should be used for taking care of any injury. are suitable for treatment of patients suspected of infectious disease. should be used only in treatment of heavy bleeding or dirty wounds.

47. "Gasping breaths" mean:

noticeably fast but quiet and shallow breathing, typical for a patient with an airway obstruction. 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.

48. The most essential first aid actions that can be performed in the event of serious accident are:

to stop heavy bleeding, clearing the airway and fight against heat loss. fixing the bone fractures, treatment of wounds and abrasions. gentle transportation to the place of professional help.

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

1. open the Airway with a head tilt, 2. start the artificial respiration = Breathing, 3. start the chest Compressions. 1. check the Airway, 2. check the Breathing and 3. restore the Circulation (using Compressions). Anamnesis, Breathing,Chest injury check.

50. 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. 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.