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Test - PL A

1. 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.

2. When the surface load changes the glide ratio:

does not change because the relation between lift coefficient and drag coefficient does not change. changes because effective bearing area is the same. changes because the relation between lift and drag does not change.

3. The lift acts:

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

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

the lift is 6 times greater then the drag. 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.

5. Which of the following pilot inputs increases the angle of attack?

Releasing the steering. Pushing the speed system. Pulling the steering.

6. Induced drag:

arises as a result of air flow from the lower wing surface, around the wingtip, towards the upper wing surface due to a pressure difference. arises as a result of parasitic energy induced by air rfiction around an aircraft. arises as a result of interference between flows around different parts of an aircraft.

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

it will fly 1 km far from the altitude of 6 km. its velocity is 6 m/s. it will fly 6 km far from the altitude of 1 km.

8. A paraglider stall occures when:

the pilot breaks too much. the glider overcomes the pilot when taking off. the speed system is pushed too fast.

9. Local isolated thunderstorms are mostly:

mass storms. frontal air lift (warm front). frontal air lift (cold front).

10. Saturated adiabatic curve is showing the change in temperature with height of value:

0,60 °C / 100 m of hight. 0,65 °C / 100 m of hight. 1,00 °C / 100 m of hight.

11. The lowest layer of the atmosphere is called:

troposphere. stratosphere. mesosphere.

12. Which of the following types of cloud is considered middle level clouds in the temperate latitudes?

St, Sc Ns, Ci As, Ac

13. The greatest concentration of condensation nuclei is:

near large urban areas (industrial areas). above mountains. above oceans.

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

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

15. Among high level clouds are:

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

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

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

17. Ridge soaring is practiced so that:

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. we soar the wind wave just above the mountain ridge turning 180° at the turn points no matter what direction.

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

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

19. What are the possible wind direction indicators in a strange place where there is no wind sock?

Positions of gliders on the ground which landed earlier. Grass waves, smoke, tree shaking, moving dust or other light objects in the air. Circling of birds of prey, direction of cloud shades movement and waves on water surfaces.

20. When entering a thermal current:

the glider usually tends to collapse and therefore the pilot should break a bit before turning. 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 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. Geographical meridian is:

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

23. Geographic coordinates indicate:

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

24. The prime meridian is:

meridian, also called the base meridian, passing through Greenwich Observatory in England. a meridian not passing through observatory in Greenwich, but only a small circle. the meridian, at which the latitude and longitude equal 0.

25. Terrain formations such as forests, meadows, lakes, castles, roads, railways etc. are called:

map projections. topographic area. topographic situation.

26. Time is reported:

in degrees. in hours, minutes and seconds, so that a minute begins with 1. sec and ends with 60. sec. in hours, minutes and seconds, so that a minute begins with 31. sec of a past minute and ends with 30. sec of actual minute.

27. The difference between UTC and Central European Summer Time (CEST) time is:

1 hour. There is no difference. 2 hours.

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

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. to perform the most effective escape maneuver and try to keep flying against the wind.

29. If I stall the glider:

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. I release the steering continuously.

30. For emergency landing You would prefer:

trees. buildings. water.

31. 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.

32. If the steering line brakes, the correct procedure is:

turning only in the side where the steering line is OK. steering by another suitable line and the other steering line or, if there is enough hight, use the reserve parachute. steering via weight shift and cautious pulling of the rear risers.

33. 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.

34. An overtaking plane is that which approaches the overtaken aircraft from behind on a line forming with a plane of symmetry of the overtaken aircraft angle of less than:

60 degrees. 80 degrees. 70 degrees.

35. A pilot must always have:

a pilot's license or a student document, the airworthiness certificate, a proof of insurance for damage caused the aircraft operation, medical certificate of flying eligibility. a proof of identity, a pilot's license or a student document, the technical certificate of the aircraft, a proof of insurance for damage caused by the aircraft operation. a proof of identity, a pilot's license or a student document, the airworthiness certificate, a proof of insurance for damage caused the aircraft operation, medical certificate of flying eligibility.

36. Restricted air space (LK R):

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

37. Who is authorized to check a pilot's license or student document?

Paragliding operations inspector of LAA CR, person authorized of Ministry of Transport, Czech Police or local municipal authority personnel. Paragliding operations inspector of LAA CR, Czech Police, Czech CAA inspector, a person authorized by an airport or property owner. Paragliding operations inspector and Paragliding technical inspector of LAA CR, a person authorized by the Ministry of Transport or the CAA of the CR, Czech Police.

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

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

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

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

40. The dangerous airspace (LKD) is is an area where flying is:

restricted. prohibited. dangerous.

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:

the webbings which connect a glider's suspension lines to a pilot's harness. up-going thermal currents. pilots who get up early.

43. During an improvised transport of an afflicted:

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

44. Chest compression during resuscitation is performed:

by the lower end of chest bone. next to left nipple. in the middle of chest bone.

45. If the arrival of a rescue helicopter is expected, rescuers on the ground should stand so that:

they were always in the visual field of the helicopter pilot. they were in the best possible place for a landing; just before touchdown they move in front of the helicopter. they were evenly distributed around the expected landing site and they could prevent potential arrival of other persons.

46. 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.

47. Choose the true statement about improvised transport:

The most important is that the afflicted stays in a slightly inclined position with head down during the whole transport. Unless it is necessary the patient should not be transported before the arrival of professional assistance. The priority of an improvised transport is speed.

48. Choose the true statement about heat loss after an injury:

Maintaining body temperature is one of the most energy-intensive vital processes. Fight against heat loss therefore belongs - especially with severe injuries - amongst life-saving acts with high priority. Preventing heat loss is especially important because possible hypothermia is unpleasant and stressful for the afflicted. But this is not the priority for first aid. Mild hypothermia is in terms of first aid advantageous because it inhibits the metabolic processes and thus slows the onset of shock. Severe and prolonged hypothermia is harmful, preventing heat loss is therefore of particular importance for injuries in the winter and in poorly accessible terrain.

49. Signal to perform by a person on the ground to cancel the need of rescue helicopter landing is:

to stand with one arm up and second arm along the body (a paraphrase of the letter N). to wave by any object of red color. to stand and rhythmically move arms up and down wit palms turned upwards.

50. Choose the true statement about the obligation to provide first aid:

Everyone who witnesses an accident is obliged to provide first aid, regardless of the severity of injury and danger. The obligation to provide first aid is only moral and it is not legally enforceable. If there is serious injury, everybody is obliged to provide first aid; this assistance must not endanger the life or health of the firstaider.