Basic Navigation with Map and Compass – Typical Ultilearn Questions 1. The difference between true north and grid north arises because: a) b) c) d) Lines of latitude and longitude do not match grid lines exactly Lines of latitude are not parallel Grid lines get closer together near the poles of the Earth Lines of latitude and longitude match grid lines exactly 2. Which of these symbols represents true north? a) b) c) d) Z X Y W 3. Which north changes its position slightly over the years? a) b) c) d) Geographic north True north Magnetic north Grid north 4. What is the approximate difference between true north and grid north? a) b) c) d) More than 10 degrees 8 to 10 degrees 6 to 8 degrees 0 to 5 degrees 5. Which physical property of the Earth do we use, when navigating using a compass? a) b) c) d) It rotates clockwise The surface is covered with lines of latitude and longitude Its gravitational field Its magnetic field 6. Which north do you use when navigating with an Ordnance Survey map? a) b) c) d) True Magnetic Grid Actual 1 7. Which of the following statements about the direction of magnetic north from locations in the UK, is true? a) b) c) d) It is the same as true north It is the same as both true and grid north It differs from both true and grid north It is the same as grid north 8. Which of the following is not a method for determining north without a compass: a) b) c) d) Using the shadow from a stick Using a watch with the sun Finding the pole star from The Plough Finding wind direction 9. While on expedition in South Wales a cadet places a stick in the ground and watches the shadow move from position 1 to position 2. Which arrow points north? a) b) c) d) X Z W Y 10. When using a watch to find north/south what should be pointed towards the sun: a) b) c) d) The hour hand The minute hand The second hand The 12 of the watch face 11 (a) Orientating a map using a watch shows which direction? a) b) c) d) North South East West 12. How can you tell where North is on a starry night? a) b) c) d) Look for the brightest planet Look for the brightest star Find the Pole Star Check the whereabouts of the moon at a specific time 2 13. The angular difference between magnetic north and grid north on a map is known as? a) b) c) d) Grid magnetic angle Compass deviation angle Magnetic deviation angle Grid deviation angle 13a. The angular difference between magnetic north and true north is called: a) b) c) d) Magnetic Orientation Magnetic Resection Magnetic Deviation Magnetic Variation 14. When using a compass to take a bearing on a distant object, you would first? a) b) c) d) Turn the capsule so that the orienting arrow points at the object Align the red compass needle to point at the object Turn the capsule to subtract the GMA Point the direction of travel arrow at the object 15. When using a map what is the first thing you do? a) b) c) d) Range the map Sight the map Set the map Organise the map 16. What is the best way to measure distances on a map? a) b) c) d) Use a ruler Use the edge of a Silva compass Use straight edge of paper and mark it with a pencil Use dividers 17. Identify the following feature found on an OS Map. a) b) c) d) Contour Line Railway Track Footpath B Road 3 18. When using a magnetic compass, why is it particularly important to hold it horizontal when taking a reading? a) b) c) d) To eliminate compass errors To improve damping To ensure that the needle floats freely To minimise the effect of local magnetic attraction (eg from wire fences, electric cables, etc) 19. What is the compass we use for navigating when walking? a) b) c) d) Primatic compass Standard RAF compass Silva compass DIC 20. On a Silva walking compass what colour is the magnetic needle: a) b) c) d) Red and black White and blue Blue and red Red and white 21. What is the purpose of liquid in the capsule of a compass? a) b) c) d) Prevents the needle from moving Allows the needle to settle down quickly Increases the needle's sensitivity Allows the needle to be seen more clearly 22. What measure is used in the compass scale? a) b) c) d) Inches Millimetres Centimetres Feet 23. There are several lines within the rotating Compass housing. What are these called? a) North Lines b) Direction of Travel Lines c) Orientating Lines d) Easting Lines 24. What is the name of the fixed line found on the base of the compass outside of the rotating part? a) b) c) d) The Maginot Line The Direction of Tavel Line The Compass Line The Bearing Line 25. The grid bearing between 2 features on a map was measured to be 040 degrees (Grid). If the grid magnetic angle is 6 degrees west of grid north, what is the magnetic bearing? 4 a) b) c) d) 046 degrees 040 degrees 034 degrees 043 degrees 26. The direction of a track drawn between two places on a map is measured against the grid-lines and found to be 102 degrees (Grid). If magnetic north is 5 degrees west of grid north, what is the magnetic bearing of the track? a) b) c) d) 097 degrees (M) 102 degrees (M) 107 degrees (M) 095 degrees (M) 27. You are at a point where variation is 1 degree W, and Grid Magnetic Angle is 6 degrees W. If the magnetic bearing of a trig point is 150 degrees what is its Grid bearing? a) b) c) d) 144 degrees 156 degrees 143 degrees 157 degrees 28. The bearing of an object taken with a compass is found to be 280 degrees(M) and the map shows that Magnetic north is 10 degrees west of Grid north. What is the grid bearing? a) b) c) d) 280 degrees (Grid) 260 degrees (Grid) 290 degrees (Grid) 270 degrees (Grid 29. What is resection? a) b) c) d) Use reprociprical bearings Take three bearings to separate features and the middle of the triangle is your position Draw a cross section of the surrounding contours Back track 30 To take a bearing between 2 features on a map you would first place the compass on the map so that its longest edge runs through both features and its direction of travel arrow points in your intended direction of travel. You would then? a) Turn the map and compass together until the needle falls into the orienteering arrow b) Turn the capsule on the compass to deduct the grid magnetic angle c) Turn the capsule on the compass so that its orienting lines are parallel to the north-south grid line d) Turn the capsule on the compass until the needle falls into the orienting arrow 31. A grid bearing from a M726 series OS map on which the magnetic variation is westerly, can be converted to a magnetic bearing by: a) Adding the angular difference between magnetic north and grid north b) Adding the angular difference between grid north and true north 5 c) Subtracting the angular difference between grid north and true north d) Subtracting the angular difference between magnetic north and grid north 32. How much time should be added to a journey for every 200 metres of steep descent, using Naismith's rule? a) b) c) d) 5 minutes 20 minutes 15 minutes 10 minutes 33. What is the Naismith's Rule? a) b) c) d) 5 kph overall 5 kph plus an hour for any climbing 4 kph as measured on the map, plus half an hour for every 300m climbed 3 kph overall 34. How can you estimate distance covered from your last check point? a) b) c) d) Consult your GPS Use your mobile phone Measure the time taken and calculate at 4km per hour Use a pedometer 35. What is "handrailing"? a) b) c) d) Walking on a compass bearing Never straying from well defined paths Walking with you map set Following a linear feature to your destination 36. Contouring means: a) b) c) d) Walking around a hill Gaining as much height as possible Loosing as much height as possible Walking over a hill 37. What is an "attack point"? a) b) c) d) The summit of any hill An easily identifiable feature that is close to your objective Any trig point Any prominent feature close to your objective 38. Measuring distances accurately whilst out walking helps you particularly to? a) b) c) d) Choose the shortest route Calculate magnetic variation Calculate the gradient Reduce the area of uncertainty in your position 6 39. Measuring distances accurately whilst hillwalking is important because it: a) b) c) d) Calculates your speed of travel Pinpoints your position accurately Assists you in keeping on schedule Chooses the shortest route 40. Pacing can be an accurate method of measuring distance if carried out over: a) b) c) d) Short distances Long distances To a count of 5,000 Medium distances 41. A cadet is able to walk 1km over reasonably flat ground in 20 mins. How long would it take him to cover a distance of 4.5km over similar terrain? a) b) c) d) 60 mins 90 mins 40 mins 120 mins 42. When moving from point A to the bridge on the picture shown, which technique is being used? a) b) c) d) Contouring Boxing round Aiming Off Handrailing 43. A cadet decides to follow a stream down from the hill-side because she knows that the stream runs close to her campsite. The cadet is using a navigational techniques known as: a) b) c) d) Handrailing Using attack points Contouring Aiming Off 7 44. The diagram shows: a) b) c) d) Occluded front Cold front Warm front Anti-cyclone 44a The diagram shows? a) b) c) d) Depression Occluded front Warm front Cold front 45. Depressions move under the influence of: a) b) c) d) Warm fronts Upper winds Cold fronts Lower winds 46. Upper winds are generally responsible for? a) b) c) d) The strength of the surface wind Movement of a depression Poor weather Fine weather 47. Lines on a weather chart joining points of equal pressure are called: a) b) c) d) Occluded fronts Warm fronts Isobars Cold fronts 8 48. High level cloud names could begin with the prefix a) b) c) d) Alto Strato Cirro Nimbo 49. Which of these types of air mass brings cold dry weather with little or no cloud to the British Isles in winter? a) b) c) d) Polar continental via the short sea-track Polar continental via the long sea route Returning polar maritime Polar maritime 50. Name this MEDIUM level cloud formation. a) b) c) d) Stratus Nimbostratus Altocumulus Cirrus 51 When alto is used as a prefix in a name of a type of cloud, that cloud may be found at: a) b) c) d) High level Any level Low level Medium level 52. Name this HIGH level cloud formation. a) b) c) d) Cirrus Cirrostratus Altostratus Cirrocumulus 9 53. Name this HIGH level cloud formation. a) b) c) d) Stratus Nimbostratus Altocumulus Cirrus 54. Name this LOW level cloud formation. a) b) c) d) Stratus Numbostratus Cumulus Cirrus 55. Which air mass originates around the equator and brings warm, cloudy weather to the UK in both summer and winter? a) b) c) d) Tropical maritime Tropical continental Arctic maritime Polar maritime 56. Which of these would be found only at high level? a) b) c) d) Stratocumulus Altostratus Altocumulus Cirrostratus 10 57. Which air mass is called Tropical Continental? a) b) c) d) Z W Y X 58. Which air mass is called Tropical Maritime? a) b) c) d) X W Y Z 59. Which air mass is called Returning Polar Maritime? a) b) c) d) X Z Y W 11 60. Which air mass is called Arctic Maritime? a) b) c) d) W Y X Z 61. Cloud names may have a prefix which indicates the height of the cloud base. Which of these indicates a cloud with a base at medium level? a) b) c) d) Nimbo Alto Strato Cirro 62. In the diagram the dotted lines represent the upper wind and the solid lines the lower wind. If you stood at Y with your back to the lower wind and the upper wind is moving from left to right: a) b) c) d) There will be no change in the weather for a while You'll feel a warm wind in your face The weather is likely to improve The weather is likely to deteriorate 12