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Test - PL A

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

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

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

overpressure. negative pressure. no pressure.

3. When air flow is laminar:

there is a relative mix of streamlines. there is a relative mix of streamlines but at the end of given aerofoil there are no significant eddies in the flow. there is no relative mix of streamlines.

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

the drag and the gravity force. the gravity force and resultant aerodynamic force. the weight of the aircraft and lift.

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

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

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. The separation of streamlines is when:

the streamlines leave the aerofoil after copying its shape. turbulent flow around the upper surface of the wing switches to laminar flow. the airflow becomes detached from the surface of the aerofoil.

8. The wing aspect ratio:

is a relationship between span and air foil thickness. is a relationship between chord length and air foil thickens. is a relationship between span squared and wing surface.

9. Dangerous storm phenomena are:

strong updrafts and hight of the Cb could. strong updrafts with maximums in the upper half of CB cloud, stong turbulence, strong downdrafts with maximums near the CB cloudbase, frosts, electric characteristics of the Cb cloud. the density of the Cb cloud which consists of liquid and solid state of water.

10. What do we mean by the term "clear thermic"?

Turbulence associated with a windshear. Strong gusty wind in a coud free environment. An ascending thermal current not topped by a cumulus cloud.

11. Precipitation zone of a warm front is:

before the front line and it is persistent rainfall. at the front line and it is short rainfall. mostly right after the front line and it is showers.

12. How the air masses move in a warm front?

Warm air shifts below the cold air mass. Warm air shifts above the cold air mass. Cold air shifts above the warm air mass.

13. Dew point is:

a place over which a cloud will form. the height of the zero isotherm. the temperature to which air must be cooled to induce condensation.

14. In the definition of standard atmosphere the pressure and temperature values at mean sea level are:

1015 hPa, +10°C 1013,25 hPa, +15°C 1013,25 hPa, 0°C

15. The most common wind direction in the valley caused by thermal effects is:

during the day towards the hill. during the night towards the hill. during the day down the hill.

16. When entering a thermal current:

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

17. 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.

18. 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 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.

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

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

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

21. B-stall is performed by:

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

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

London. Moscow. Paris.

23. Time is reported:

in degrees. 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. in hours, minutes and seconds, so that a minute begins with 1. sec and ends with 60. sec.

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. Magnetic course is measured:

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

26. The location of geographical and magnetic poles is:

not identical. identical. The magnetic pole is always to the east from the geographical pole.

27. Direction south is reported by:

360° 090° 180°

28. The reserve parachute is used so that:

By pulling the handle the reserve parachute is activated; the handle can be lost. Pull the rezerve parachute handle; when the needles are torn out, the reserve parachute opening system is activated. Pull the reserve parachute from the harness and throw it into a free space letting go the handle too.

29. 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 a place, where he can reach it by any hand from the flying position. in any place, because he cannot telephone during flight anyway.

30. 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.

31. 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 turn the glider against the wind. to jump out of the harness about 3 to 5 m above the water surface.

32. For emergency landing You would prefer:

water. buildings. trees.

33. Use the reserve parachute without hesitating:

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

34. Restricted air space (LK R):

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

35. The definition of visibility is:

the ability to see and recognize outstanding unlighted objects by day and lights at night determined by atmospheric conditions and expressed in units of distance. the ability to see forward from the cockpit of the aircraft in flight determined by meteorological conditions and expressed in units of distance. the ability to see and recognize outstanding unlighted objects by day and lights at night from the cockpit of the aircraft in flight.

36. 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:

80 degrees. 60 degrees. 70 degrees.

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

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

39. An aircraft having priority must maintain its course and speed:

These conditions must not be changed. The course must be kept but speed can be changed. This rule does not relieve the aircraft commander of responsibility to carry out such measures that will the best prevent a collision.

40. The period of validity of the medical certificate on health ability for Czech pilots is:

36 months for persons between 30 and 60 years of age. 12 months for persons above 60 years of age. 24 months for persons between 35 and 60 years of age.

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:

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

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

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

44. 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. gentle transportation to the place of professional help. fixing the bone fractures, treatment of wounds and abrasions.

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

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. 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. 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.

46. Choose the true statement about improvised transport:

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

47. Choose the true statement about using the thermal („space”) blanket:

The side doesn’t matter, the important is to wrap it tightly all around the patient. This blanket can be also used as a tourniquet or improvised bandage. The foil is a very good thermal isolation but does not protect against moisture - it can leak in strong rain.

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

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

49. 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.

50. For the quality of resuscitation, the most crucial is:

the deepest compressions. timely starting and continuity of compressions. the highest possible frequency of compressions.