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Test - PL A

1. The lift coefficient is influenced the most by:

the air foil thickness. the air foil curving. the speed of flow.

2. There are aerodynamic forces generated on a body in flow. They are called:

lift and overpressure. the resultant aerodynamic force which is sum of lift and drag. lift, mass and drag.

3. How the speed system works?

It increases the angle of attack by pulling the front risers. 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.

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. In a steady gliding flight there is a balance between:

thrust and weight, drag and lift. lift and drag. gravity force and lift plus drag.

6. The aircraft falls when:

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

7. Spiral is a flight mode when:

the flow gets separated from the aerofoil on the outer side of the turning wing. the flow gets separated from the aerofoil on the inner side of the turning wing. the air flow doesn’t detach from the aerofoil.

8. A paraglider stall occures when:

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

9. Which of the following processes in the air layer may lead to the formation of cumulus and cumulonimbus cloudiness?

Subsidence. Convection. Stable air layers lifting on frontal boundary.

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

rain and hail. drizzle. light rain.

11. Which basic parameters and phenomena determine the weather inside air masses?

Temperature, humidity, vertical temperature gradient. Pressure, clouds and air density. Precipitations and visibility.

12. When I. kind cold front passes, the precipitation zone is:

after the front line. at the front line. before the front line.

13. During summer in Central Europe, in the central part of a significant anticyclone we expect:

inversion fog, variable wind, night thunderstorms and strong thermics during a day. clear skies, strong winds, cold at night, warm at daytime and strong thermics. mostly sunny, light wind, high temperatures duding a day, weakening thermics.

14. What temperature stratification is favorable for the occurence of vertical motions in the troposphere?

stable instable indifferent

15. Characteristic typical for the troposphere is:

isothermal stratification. temperature drop with hight. rise of pressure with hight.

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

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

17. 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.

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

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

19. When entering a thermal current:

the canopy tilts sidewards and can get asymmetric collapse. the canopy lilts backwards and can shoot forward afterwards. the canopy shoots forward and can collapse.

20. The take off control includes:

the check of harness, lines, canopy, weather and space. the check of glider and harness wear and tear, stitching, carabiners, helmet and instruments. the check of canopy, carabiners, weather and space in the direction of flight and landing.

21. When entering a thermal current:

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 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.

22. 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.

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

map projections. topographic area. topographic situation.

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

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

25. The most suitable maps for aeronautical navigation are:

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

26. Geographical North and South:

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

27. Time of sunrise and sunset varies:

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

28. Before a landing into still water it is necessary:

to undo the harness buckles so it was possible to leave it at the moment of contact with water. to jump out of the harness about 3 to 5 m above the water surface. to turn the glider against the wind.

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

He should keep flying against the wind and emergency-land in the terrain below him. 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.

30. Your last choice for emergency landing would always be:

water surface. a parking. electric wires.

31. Your special equipment for safety maneuvers training should be:

a life jacket and a flare. a life jacket, a hook knife for cutting lines or risers. a life jacket, an orange helmet and light shoes.

32. When flying on speed system:

The paraglider will increase its speed and it will be more stabile thanks to better flow. The paraglider will increase its speed and will be more prone to symmetrical or asymmetrical collapses. The paraglider is prone to symmetrical or asymmetrical collapses.

33. The best when blown behind a ridge is: Při přefouknutí přes kopec je nejbezpečnější

to fly with the wind as far as possible to a possible emergency landing field. to do big ears which will help to fly through turbulences by increasing surface load of the wing. to use a reserve parachute which is more stable in turbulences.

34. A Czech paraglider technical certificate is issued:

always by a Paragliding Technical Inspector of LAA CR. by a producer’s technical inspector for category „P” and by LAA CR for category „Z”. always by a designated Paragliding Operations Inspector of LAA CR.

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

Only in clouds. Yes. No.

36. The prohibited airspace (LKP):

cannot be entered axcept with a special authorization of a competent authority. can be entered only on the G class airspace level and at the indicated air speed lower then 460 km/h. can be entered but cannot be left.

37. Airport operations are:

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. all vehicles and persons operations on the aerodrome area.

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

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

39. Airdrome traffic zone - ATZ is:

a segregated airspace with air traffic control service. a segregated airspace, which serves to protect airport operations. a segregated airspace with a permanent information service.

40. VFR flights in Class G airspace must be carried out so that the aircraft flew:

at a distance to the clouds more than 1,5 km horizontally and 150 m vertically. at a distance to the clouds more than 5 km horizontally and 300 m vertically. outside the clouds with permanent ground visibility.

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. Risers are:

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

43. To prevent heat loss the most effective is:

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

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

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. 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.

45. During an unsuccessful landing a pilot flew through a window and cut his wrist so badly that the wound is heavily bleeding, blood squirts. 10 cm long piece of broken glass projects from the wound. The afflicted person is conscious, pale, complaining of pain in his right ankle which is evidently deformed. We'll call an ambulance and:

put the afflicted in a semi sitting position, pull out the sherd and apply compressing bandage. fix the leg, lay the afflicted in the anti shock position, lift the wounded hand up and if the bleeding doesn’t stop, apply a compressing bandage. lay the afflicted down on his back with legs lifted, apply a tourniquet on his forearm tightening it gently. We do not pull out the piece of glass on principle.

46. 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.

47. 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. The afflicted is carefully covered with it. It is laid under the afflicted.

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

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

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

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. they were always in the visual field of the helicopter pilot.

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

backward head tilt. forward head tilt. stabilised position.