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Test - PL A

1. 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, mass and drag. lift and overpressure.

2. Glide ratio is influenced only by:

the velocity of flow. the angle of attack (i.e. lift and drag coefficients). total weight.

3. What will be the change of flow speed and static air pressure in a place where the streamline density increases?

The speed will decrease, the static pressure will decrease. The speed will increase, the static pressure will increase. The speed will increase, the static pressure will decrease.

4. 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.

5. Select the correct statement regarding the position of the unconscious affected with a severe trauma:

An insured unconscious affected person should always be placed in position on her back with her head tilted back. If the affected is in the current position reliably breathing, I leave him in this position. The basic rule is not to move the unconscious affected to eliminate the risk of further damage to the spine and spinal cord.

6. The main cause of the stall is always:

exceeding the critical angle of attack. the start of transition of laminar flow into turbulent flow on the surface of the glider. decreasing the flight speed under the minimum forward ground speed in a steady flight.

7. The wing aspect ratio:

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

8. Larger part of lift is generated:

below the aerofoil, around 2/3. above 2/3 of the aerofoil, around 55%. above the aerofoil, around 2/3.

9. The basic cause of cloud formation in the atmosphere is:

achieving a state of saturation. achieving a state of saturation followed by water vapor condensation. decrease of air temperature with height.

10. Convective activity in the mid-latitudes is the greatest:

in summer at midday. at noon. in winter at midday.

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

instable stable indifferent

12. Vertical robustness of the troposphere is the lowest:

above Equator areas. in temperate zones. above poles.

13. Hazardous phenomena associated with a I. kind cold front are usually:

strong gusty surface wind. Only low level clouds of stratiform types. Cb - cumulonimbus clouds at the head of the front hidden in low stratiform clouds, turbulence and icing.

14. Isobars are lines on surface weather maps that connect points:

of the same temperature recalculated to the sea level. of the same humidity. of the same pressure recalculated to the sea level.

15. Which of the following cloud types are a sign of unstable air mass?

St, Cs Cu, Cb Sc, Ns

16. Ridge soaring is practiced so that:

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. we fly alongside a slope at its windward side turning 180° into the wind at the turn points.

17. The take off control includes:

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

18. 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.

19. When entering a thermal current:

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

20. 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.

21. An asymmetric collapse of about 1/2 of the leading edge should be solved by:

weight shift into the non collapsed side and light break of the same side to keep the glider in straight flight. weight shift into the collapsed side and light break of the non collapsed side to keep the glider in straight flight. no inputs in steering letting the glider reinflate.

22. Comparative navigation involves:

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

23. 9 cm in map with 1 : 500 000 scale refers of real distance:

60 km 50 km 45 km

24. 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.

25. Geographic coordinates indicate:

time zone position. certain place name. certain geographical location.

26. The globe is:

a net of coordinate lines. a rotating ellipsoid flattened at the poles. ideal sphere.

27. Geographical North and South:

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

28. For emergency landing a pilot would rather choose:

a forest road. a lonely tree. dense forest.

29. Use the reserve parachute without hesitating:

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

30. The reserve parachute is used so that:

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

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

a parking. electric wires. water surface.

32. 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.

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

to pull the steering fully. 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.

34. The dangerous airspace (LKD) is is an area where flying is:

dangerous. prohibited. restricted.

35. Except for takeoff or landing, or except by permit issued by the Aviation Authority, a VFR flight must be conducted over the congested areas or gathering of people in the open air at a height that may not be less than:

300 m above the highest obstacle within a radius of 300 m from the aircraft. 300 m above the highest obstacle within a radius of 600 m from the aircraft. 150 m above the highest obstacle within a radius of 600 m from the aircraft.

36. The paraglider canopy is damaged mostly by:

storage in dark and dry rooms. UV rays, mechanical abrasion and humidity. mice and other wild rodents.

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

38. The lower limit of a control zone (CTR) is formed by:

a specified altitude. the upper limit of the G class air space. the ground surface.

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:

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

40. Airport operations are:

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

41. A paraglider is the most damaged by:

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

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. 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:

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

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

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

45. The telephone number of medical emergency service in the Czech Republic is:

158 155 150

46. 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.

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

backward head tilt. forward head tilt. stabilised position.

48. The helmet of the afflicted:

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

49. During an improvised transport of an unconscious afflicted:

caution is not important because the unconscious afflicted doesn’t feel pain anyway. special attention should be payed to caution and head fixation. the process should be as fast as possible.

50. 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.