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Test - PL A

1. The angle of attack is:

the angle between aerofoil’s chord and the horizon line. the angle between the oncoming flow and the horizon line. the angle between the aerofoil’s chord and the oncoming flow.

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

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

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

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

4. Induced drag:

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. 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.

5. 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 6 km far from the altitude of 1 km. its velocity is 6 m/s. it will fly 1 km far from the altitude of 6 km.

6. Can we read the best glide ratio speed in front wind from the polar line?

No. Only for tail wind. Yes.

7. The induced drag can be reduced by:

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

8. 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.

9. Dew point temperature is:

the air temperature in given altitude. the air temperature at the saturation status moment. is the air temperature with determined relative humidity.

10. Which types of clouds are typical for a warm front cloud system:

Ns – nimbostratus, As – altostratus, Cs – cirostratus Cu – cumulus, Ac – altocumulus, Cb – cumulonimbus Sc – stratocumulus, Ac – altocumulus, Cc – cirocumulus

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

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

12. Coriolis force acting on the wind is:

inertia force causing bodies movement deflection, thus also the air flow. the centrifugal force. the friction force.

13. Vertical robustness of the troposphere is the lowest:

above Equator areas. in temperate zones. above poles.

14. Anabatic flow is:

the wind coming up the mountain slopes due to thermic. a gusty mountain breeze. the land breeze.

15. Stationary front is the one that:

is moving in leaps. is moving only clockwise. is not moving or moves very slowly.

16. So called escaping maneuvers include:

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

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. I increase the flight speed by:

pulling the trimmers. pulling a bit of steering. depressing the speed system.

19. 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.

20. How many items is there in the pre start check?

Seven. Five. Three.

21. Spiral is performed by:

weight shift in the intended turning side, pulling the steering on that side and pulling down the front riser on the other side. a smooth transition from a turn into sharper and sharper turn via gradually increased brake input and body weight shift in the same side in which turning. pulling at first both the brakes and then loosening one brake all the way up while the other pulling completely down - the paraglider descends circling in a dynamic and fast rotation.

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

2 hours. There is no difference. 1 hour.

23. The location of geographical and magnetic poles is:

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

24. The prime meridian is:

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

25. Time of sunrise and sunset varies:

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

26. Comparative navigation involves:

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

27. An aircraft on bearing 265 in a wind 085 is flying:

perpendicularly to the wind from left. against the wind. with the wind.

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

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

29. During ground handling training the glider lifts the pilot above the ground in a wind gust unexpectedly. The correct procedure is:

to release the steering and fly, steer and land back to the ground. to pull and release the steering repeatedly and by such flapping go back to the ground. to pull the steering fully.

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

electric wires. a parking. water surface.

31. After an asymmetric collapse the correct procedure is:

weight shift in the not collapsed side of the glider and brake the same side slightly to stop rotation.maximálně se vyklonit na nezaklopenou stranu a také ji přibrzdit tak, aby nedošlo k rotaci pulling the steering on the not collapsed side quickly and fully to help the regeneration of the canopy. no sudden piloting inputs; a certified paraglider will return into straight flight itself.

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

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

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

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

34. What is it CTR?

An air space where VFR flights are forbidden. Control zone of an airport. Terminal controlled area.

35. Except for takeoff or landing or except by permission issued by the Authority a VFR flight must be conducted above the ground or water at a height of not less than:

150 m 300 m 150 m except for ridge soaring.

36. Two of the same category aircrafts are flying in one track against each other. Na vstřícné trati letí letadla stejné kategorie. Actions of avoidance are:

Both aircrafts will change their curse to the right. You will turn to the right, the other aircraft will turn to the left. Both aircrafts will change their curse to the left.

37. Flying above a gathering of people at such a height that would not allow a safe landing in case of danger without endangering pilots or people on the ground is:

allowed. possible only at an air show with a valid authorization issued. forbidden.

38. Airport operations are:

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

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. VFR flights in C, D and E classes airspace may be carried out at a distance from clouds:

only the first at the cloud base pilot can fly in into the cloud. outside the clouds and in visibility of ground. at least 1500 m horizontally and 300 m vertically.

41. 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.

42. Risers are:

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

43. 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.

44. 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 with one arm up and second arm along the body (a paraphrase of the letter N). to stand and rhythmically move arms up and down wit palms turned upwards.

45. 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.

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

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. we cannot feel the heart beating on the chest.

47. The helmet of the afflicted:

should be taken off only by gente tilting nad twisting. must never be taken off. should be taken off by pulling in the long axis of the body with permanent fixation of the head and neck.

48. "Secondary examination" of an injury afflicted means:

the second (and next) control examination to determine if there is a deterioration in the status. an examination by another independent person to verify the initial conclusions. an inspection of afflicted "head to toe" in order to uncover any injury changes on body.

49. Unless prevented by special circumstances, the best for the accident afflicted is:

a position that the afflicted person wants to take. the "Anti-shock" position with legs and arms raised as high as possible„ a position on the side („stabilized” or „recovery” position).

50. Resuscitation (animation) is needed to be performed if the afflicted:

is unresponsive, not moving and not breathing, or only "gasping" breaths are seen. is unresponsive, not moving, regardless of the state of breathing (a layperson is not able to reliably judge the respiratory status). is unresponsive and there is no pulse on carotid artery (the breathing state is not important).