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Test - PL A

1. The lift on the aerofoil is created by:

the force of flowing air from front of the aerofoil (when the angel of attack is positive). densification of streamlines above the aerofoil, the top surface of the aerofoil thus generates a negative pressure; below the aerofoil the streamlines expand and thereby an overpressure occurs beneath the aerofoil. densification of streamlines below the aerofoil, the lower surface of the aerofoil thus generates a negative pressure; above the aerofoil the streamlines expand and thereby an overpressure occurs above the aerofoil.

2. The chord is:

the imaginary straight line joining the leading and trailing edges of the aerofoil. the curve that is halfway between the upper and lower surfaces of the aerofoil. the straight line dividing the aerofoil in the middle of its thickness into two equal parts.

3. Bringing a paraglider close to the critical angle of attack is manifested by:

sudden increase of descent rate. decrease of steering forces. significant rise of forces in steering lines.

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

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

5. 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.

6. When an aircraft is flying with such an angle of attack that its gliding ratio is ', it means that:

it will fly 1 km in 10 s. it is flying under an angle 10° towards the ground. it will fly 10 km far from altitude 1 km in no wind.

7. The lift on the aerofoil:

is generated by the Coriolis force and by equalizing pressure above and below the aerofoil. is created due to different speed of flow above nad below the aerofoil. is created due to angle of attack and change of air temperature above and below of the wing.

8. Turning of a paraglider is the result of:

changes in the distribution of aerodynamic forces on one half of the canopy. changes in the distribution of aerodynamic forces on the canopy. changes of the size of projected area of the canopy.

9. Coriolis force acting on the wind is:

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

10. The change of physical state ice - water vapor is called:

evaporation sublimation condensation

11. In the northern hemisphere by proceeding vertically from the ground, the wind direction is somewhat different from the direction measured at the ground and it turns:

It doesn’t turn. left. right.

12. Clouds in troposphere form from:

Oxygen. water vapor. Nitrogen.

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

Stratosphere. Tropopause. Troposphere.

14. In troposphere, at vertical rise of 100 m the pressure drop:

is the same in all altitudes. is lower in higher altitudes then in lower altitudes. is higher in higher altitudes then in lower altitudes.

15. The lowest layer of the atmosphere is called:

stratosphere. troposphere. mesosphere.

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

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. at the top of the mountain.

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

Three. Five. Seven.

18. 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.

19. When entering a downdraft:

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

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

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

21. 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.

22. Comparative navigation involves:

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

23. The difference between UTC and Central European (CET) time is:

There is no difference. 1 hour. 2 hours.

24. Magnetic course is measured:

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

25. Which of the following conditions is the most important for comparative navigation?

Experience of the pilot and his estimation. A good map and navigation skills of the pilot. Navigational preparation before flight, map, visibility of ground.

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

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

27. Geographical North and South:

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

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

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

29. If a pilot is being dragged by strong wind along the ground, he should:

wait until the glider stops itself. pull the A risers or lines. pull the steering lines or rear lines/risers.

30. You miscounted the landing approach and need to shorten it. You are 30 m above the ground:

In such altitude is best to make a 360 turn. By pulling tips of the wing via the right lines you can reduce the effective surface of the wing and glide under a better angle to the ground. By flying in figure eight or S turns you loose hight before the final glide.

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

steering via weight shift and cautious pulling of the rear risers. 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.

32. 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.

33. 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.

34. In G class airspace there is:

no request of connection. a request of permanent two way connection. a request of connection for flights above 150 m AGL.

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

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

36. Czech abbrevation SLZ means:

Společná Letová Zóna = Common Flight Zone Sportovní Létající Zařízení = Sport Flying Equipment Stálé Letové Zabezpečení = Permanent Flight Security

37. 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.

38. TMA (Terminal Control Area)

can be flown under. cannot be flown under or over. can be flown under only with a two way radio communication with AFIS.

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

Only in clouds. Yes. No.

40. A proof of liability insurance must be on board during all flights.

No. Not during an airport flight. Yes.

41. A paraglider is the most damaged by:

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

42. Initial examination includes:

fast check of the afflicted „from head to toe” with emphasis on injury signs. vital functions check according to the chart A-B-C. finding the circumstances of the incident, the patient's problems and possible diseases which he is suffering.

43. A paraglider in a spin fell nearby. On our approach he lies on his back, unconscious, not breathing, bluish. No clearly visible injury is obvious. We'll call an ambulance and firstly:

lay the afflicted in the stabilized position. lay the afflicted in the anti-shock position with head underlaid. free the airway by backward head tilt.

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

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. they were in the best possible place for a landing; just before touchdown they move in front of the helicopter.

45. 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. placed so that it could be reached in any position of pilot’s body. switched off because the aviation regulations forbid the use of mobile phones in flight.

46. The best way of use of the „anti-shock” foil (thermal blanket) is:

The afflicted is carefully covered with it. The afflicted is tightly wraped into it including head, only face is uncovered. It is laid under the afflicted.

47. Chest compression during resuscitation is performed:

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

48. Resuscitation can be (among others) terminated:

if it has reliably been found that the afflicted is older than 70 years. after 20 min of performing it without any obvious effect. when consciousness is restored - the patient begins to respond.

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

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. 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.

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

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