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Test - PL A

1. Induced drag:

arises as a result of interference between flows around different parts of an aircraft. arises as a result of parasitic energy induced by air rfiction around 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.

2. When air flow is laminar:

there is a relative mix of streamlines. there is no 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.

3. The centre of gravity of an aircraft:

is a point where the resultant aerodynamic force and force of gravity acts. is a point where the resultant aerodynamic force acts. is a point where the force of gravity acts.

4. Where on the aerofoil the flow separation starts?

In the boundary layer at the suction side of the aerofoil from the leading edge end. In the boundary layer at the suction side of the aerofoil from the trailing edge end. In the wake on the suction side of the aerofoil from the leading edge end.

5. At the critical angle of attack:

the drag coefficient drops abruptly. the lift coefficient sharply increases. the lift coefficient reaches its maximum values, over further increasing of the angle of attack the lift coefficient decreases abruptly.

6. In a normal steady flight:

there is overpressure on the upper and lower surface of the wing. there is negative pressure on the upper surface and overpressure on the lower surface of the wing. there is overpressure on the upper surface and negative pressure on the lower surface of the wing.

7. 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.

8. When the surface load changes the glide ratio:

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

9. Which of the layers of Earth's atmosphere is characterized by vertical movements?

Tropopause. Troposphere. Stratosphere.

10. Turbulence is defined as:

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

11. Frontal fog forms usually on:

worm fronts. stationary fronts. II. type cold fronts.

12. What weather conditions are expected in temperate latitudes over land in summer in the middle of a stationary area of high pressure?

Thunderstorms, clear air and strong winds. Weak winds, haze. Ns clouds.

13. Low level cloud can be:

St – stratus Ci – cirrus Ac – altocumulus

14. Vertical robustness of the troposphere is the greatest:

over the equatorial regions. over the poles. in the temperate zones.

15. Which of the following cloud types may reach up into the stratosphere?

Cirrostratus Cumulonimbus Cumulus

16. 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 canopy always tends to collapse and therefore the pilot must brake. 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:

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

18. When entering a downdraft:

the canopy tilts sidewards and can get asymmetric collapse. the canopy shoots forward and there is a danger of frontal collapse. the canopy tilts backwards and can shoot forward afterwards.

19. 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. 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. 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.

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

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

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

22. The horizontal velocity is given:

in feet. in knots. in km/h, MPH or knots (kts).

23. Contour lines are curves connecting points of the same:

negative hight, so called dephtines. alitude. declination.

24. The location of geographical and magnetic poles is:

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

25. Time is reported:

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

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

1 hour. There is no difference. 2 hours.

27. Magnetic north is a direction given by:

the compass needle free of any interferences. the theoretical line intersecting the earth center and the surface of the earth in points called magnetic north and magnetic south. measurements on a map.

28. Use the reserve parachute without hesitating:

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

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

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. He should step in the speed bar and make big ears.

30. If one side of canopy is stalled, the pilot should:

hold down the already pulled steering and counter-steer the rotation by weight-shift. pull the second steering fully and then release both. release the steering continuously.

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

I should collapse the rescue parachute by pulling its lines. 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 prepare for the landing on the rescue, nothing else can be done anyway.

32. For emergency landing a pilot would rather choose:

a lonely tree. a forest road. dense forest.

33. For emergency landing You would prefer:

water. trees. buildings.

34. Airdrome traffic zone - ATZ is:

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

35. If two aircrafts are flying on lines facing each other or approximately such, each of them should give way by changing its course to the:

left. side which is more suitable for avoiding a crash. right.

36. What is it CTR?

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

37. To recalculate a figure in meters into figure in feet we use the simplified formula:

(m x 3) + 10% (m x 3) : 10 (m : 10) x 3

38. The aircraft, that is obliged by the rules to give way to another aircraft, must:

avoided so that the maintained horizontal distance between aircrafts was 300 m. avoided so that the maintained vertical distance between aircrafts was 150 m. avoid by flying above or under or cross the other aircraft flight line at a sufficient distance.

39. 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:

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

40. Airport operations are:

all flying aircrafts and aircrafts on the aerodrome operational area. all traffic at the aerodrome area and all aircrafts flying in the vicinity of the airport. all vehicles and persons operations on the aerodrome area.

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:

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

43. "Gasping breaths" mean:

individual breaths in noticeably long intervals by the unconscious afflicted; these breaths are typical for cardiac arrest. noticeably noisy breaths in fast pace; these breaths are typical for developing shock-like state. noticeably fast but quiet and shallow breathing, typical for a patient with an airway obstruction.

44. The first aid basics of wounds and abrasions treatment are:

Removing any foreign objects by rinsing, disinfecting the wound area and covering bandage. Desinfecting the wound (in emergency using even concentrated alcohol), removing any foreign objects, covering. Covering; in improvised conditions we never clean the wound and do not remove any foreign object from it.

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

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

46. To prevent heat loss the most effective is:

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

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

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

48. A pilot should have his mobile phone:

placed in the pocket of the harness so that it could not cause any injury in case of an accident. switched off because the aviation regulations forbid the use of mobile phones in flight. placed so that it could be reached in any position of pilot’s body.

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. Anamnesis, Breathing,Chest injury check. 1. check the Airway, 2. check the Breathing and 3. restore the Circulation (using Compressions).

50. If improvised transport of an insured PG pilot is necessary (for example in difficult terrain), as the best means of transport will serve:

the canopy folded in a suitable rectangular shape. into a stretcher tied straight branches. his paragliding harness.