Statens vegvesen Teoriprøve Klasse B (Norwegian Category B Driving Theory Test) · Vehicle Safety and Winter Driving

Vehicle Safety and Winter Driving

100 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 100 questions

  1. In Norwegian road safety and vehicle operation, what is the statutory minimum tread depth for tyres on passenger cars (under 3,500 kg) during the winter season in Norway?
  2. In Norwegian road safety and vehicle operation, what is the statutory minimum tread depth for passenger car summer tyres in Norway?
  3. In Norwegian road safety and vehicle operation, during which calendar period is the use of studded tyres (piggdekk) normally permitted in southern and central Norway?
  4. In Norwegian road safety and vehicle operation, during which calendar period is the use of studded tyres (piggdekk) permitted in the northern counties (Nordland, Troms, and Finnmark)?
  5. In Norwegian road safety and vehicle operation, how does the braking distance of a vehicle change if the vehicle's driving speed is doubled from 40 km/h to 80 km/h?
  6. In Norwegian road safety and vehicle operation, what two components make up the total stopping distance (stoppestrekning) of a motor vehicle?
  7. In Norwegian road safety and vehicle operation, what is the approximate distance traveled during a standard 1-second driver reaction time at a speed of 80 km/h?
  8. In Norwegian road safety and vehicle operation, what is the standard recommended time gap to maintain behind the vehicle ahead on dry roads (3-sekundersregelen)?
  9. In Norwegian road safety and vehicle operation, how should a driver adjust the following distance when driving on snow-covered or icy winter roads in Norway?
  10. In Norwegian road safety and vehicle operation, where must the mandatory high-visibility reflective safety vest (refleksvest) be stored inside a passenger car in Norway?
  11. In Norwegian road safety and vehicle operation, at what distance behind a disabled vehicle should the reflective warning triangle (varseltrekant) be placed on rural highways?
  12. In Norwegian road safety and vehicle operation, at what distance should the warning triangle typically be positioned if a vehicle breaks down in a built-up area (tettbygd strøk)?
  13. In Norwegian road safety and vehicle operation, why are collisions with elk / moose (elg) particularly fatal for passenger car occupants in Norway?
  14. In Norwegian road safety and vehicle operation, at what times of day and year are wildlife collisions (elg and hjort) most frequent on Norwegian roads?
  15. In Norwegian road safety and vehicle operation, what is the legal obligation and recommended action immediately after colliding with a wild deer or moose in Norway?
  16. In Norwegian road safety and vehicle operation, what physical phenomenon causes aquaplaning (vannplaning) when driving at speed on wet roads?
  17. In Norwegian road safety and vehicle operation, what is the correct driver action if the vehicle suddenly begins to aquaplane on standing water?
  18. In Norwegian road safety and vehicle operation, what mandatory preparation and equipment should drivers have before joining a mountain pass convoy (kolonnekjøring) in winter?
  19. In Norwegian road safety and vehicle operation, what must vehicle occupants do if the snowplough convoy halts in a severe blizzard on a mountain pass?
  20. In Norwegian road safety and vehicle operation, why should a driver use the fixed wall-mounted emergency telephone (nødtelefon) rather than a mobile phone during a tunnel emergency?
  21. In Norwegian road safety and vehicle operation, what happens automatically when a fire extinguisher is lifted from its wall niche inside modern Norwegian road tunnels?
  22. In Norwegian road safety and vehicle operation, what is the primary rule for vehicle occupants if a fire breaks out inside a tunnel and dense smoke begins spreading?
  23. In Norwegian road safety and vehicle operation, what is the statutory blood alcohol concentration (BAC) limit for driving any motor vehicle in Norway?
  24. In Norwegian road safety and vehicle operation, what severe penalties typically apply in Norway when driving with a blood alcohol concentration exceeding 1.2 promille?
  25. In Norwegian road safety and vehicle operation, what is the statutory child restraint requirement for children under 135 cm in height traveling in passenger cars?
  26. In Norwegian road safety and vehicle operation, why do traffic safety authorities in Norway (Trygg Trafikk) strongly recommend keeping young children in rear-facing child seats until at least age 4?
  27. In Norwegian road safety and vehicle operation, what critical safety precaution must be taken before installing a rear-facing child seat on the front passenger seat?
  28. In Norwegian road safety and vehicle operation, up to what age is the motor vehicle driver legally responsible for ensuring that passengers are wearing seatbelts?
  29. In Norwegian road safety and vehicle operation, why is it strongly advised against using non-studded Nordic winter tyres (piggfrie vinterdekk) during summer in Norway?
  30. In Norwegian road safety and vehicle operation, how should a driver control speed when descending long, steep mountain passes to avoid brake overheating and failure?
  31. In Norwegian road safety and vehicle operation, what is the primary operational advantage of an Anti-lock Braking System (ABS) during emergency panic braking?
  32. In Norwegian road safety and vehicle operation, what should a driver do when experiencing strong pulsing vibrations and grinding noises from the brake pedal during emergency ABS braking?
  33. In Norwegian road safety and vehicle operation, what does Electronic Stability Control (ESC / ESP) do when it detects vehicle skidding (understeer or oversteer)?
  34. In Norwegian road safety and vehicle operation, what are the primary consequences of driving with tyre pressures that are significantly lower than manufacturer recommendations?
  35. In Norwegian road safety and vehicle operation, how should a driver react to sudden oversteer (the rear end sliding out) on an icy road in a vehicle without ESC?
  36. In Norwegian road safety and vehicle operation, what occurs during understeer (understyring) when negotiating a slippery curve?
  37. In Norwegian road safety and vehicle operation, which driving practice represents an effective eco-driving (økokjøring) technique for manual transmission cars?
  38. In Norwegian road safety and vehicle operation, how does carrying an empty ski roof box (skiboks) on the roof rack typically affect a passenger car's fuel consumption at highway speeds?
  39. In Norwegian road safety and vehicle operation, how does operating the cabin air conditioning compressor affect vehicle energy consumption?
  40. In Norwegian road safety and vehicle operation, at what point should a driver switch from high beams (fjernlys) to dipped beams (nærlys) when meeting oncoming traffic at night?
  41. In Norwegian road safety and vehicle operation, when meeting an oncoming car at night, when should you switch back from dipped beams to high beams?
  42. In Norwegian road safety and vehicle operation, when overtaking another vehicle at night, when should the overtaking driver switch to high beams?
  43. In Norwegian road safety and vehicle operation, what essential physical check must a driver perform in addition to checking mirrors before changing lanes or turning?
  44. In Norwegian road safety and vehicle operation, what weather conditions frequently produce invisible 'black ice' (svart is) on road surfaces in Norway?
  45. In Norwegian road safety and vehicle operation, what seasonal road phenomenon is caused by freezing and thawing of groundwater in the road subgrade during Norwegian spring?
  46. In Norwegian road safety and vehicle operation, what is the standard maximum permitted total weight of a light trailer that may always be towed with a standard category B driving licence?
  47. In Norwegian road safety and vehicle operation, under Category B rules, can a driver tow a trailer weighing over 750 kg, and what is the maximum combined vehicle train weight limit?
  48. In Norwegian road safety and vehicle operation, what was the statutory maximum speed limit on Norwegian highways when towing an unbraked trailer with total weight over 300 kg (prior to Tempo 100)?
  49. In Norwegian road safety and vehicle operation, why do worn tyres with 2 mm of tread depth aquaplane at substantially lower speeds than new tyres with 8 mm of tread?
  50. In Norwegian road safety and vehicle operation, what is the correct first aid position for an unconscious traffic accident victim who is breathing normally?
  51. In Norwegian road safety and vehicle operation, what is the standard cardiopulmonary resuscitation (CPR / HLR) ratio of chest compressions to rescue breaths for adults?
  52. In Norwegian road safety and vehicle operation, when should a motorcycle helmet be removed from an injured motorcyclist at an accident scene?
  53. In Norwegian road safety and vehicle operation, what proportion of cargo weight must forward lashings and cargo barriers be able to withstand under Norwegian transport rules?
  54. In Norwegian road safety and vehicle operation, what proportion of cargo weight must load restraints be able to secure in the sideways and rearward directions?
  55. In Norwegian road safety and vehicle operation, which type of portable fire extinguisher is best suited for extinguishing engine bay or electrical fires in passenger cars?
  56. In Norwegian road safety and vehicle operation, what is the proper technique when attempting to extinguish a vehicle engine fire with a powder extinguisher?
  57. In Norwegian road safety and vehicle operation, what deadly risk arises if a car gets stuck in snowdrifts and the engine is kept running with the exhaust pipe buried in snow?
  58. In Norwegian road safety and vehicle operation, when is the most accurate time to check and calibrate tyre pressures with a pressure gauge?
  59. In Norwegian road safety and vehicle operation, what is the correct ground connection when jump starting a vehicle with jumper cables to avoid battery explosions?
  60. In Norwegian road safety and vehicle operation, what mechanical or maintenance condition is indicated when a tyre displays heavy wear along both outside edges while center tread remains deep?
  61. In Norwegian road safety and vehicle operation, what condition causes premature wear predominantly along the centre line of a tyre's tread pattern?
  62. In Norwegian road safety and vehicle operation, what critical maintenance step should always be carried out after changing wheels on a passenger car?
  63. In Norwegian road safety and vehicle operation, what can happen if windshield washer fluid with insufficient antifreeze rating is used during Norwegian winter driving?
  64. In Norwegian road safety and vehicle operation, what is the only truly effective remedy when a driver begins nodding off and experiencing micro-sleep while driving?
  65. In Norwegian road safety and vehicle operation, how frequently must a standard private passenger car (Klasse M1) undergo mandatory roadworthiness testing (EU-kontroll) in Norway?
  66. In Norwegian road safety and vehicle operation, how should engine oil level be inspected using the manual dipstick?
  67. In Norwegian road safety and vehicle operation, what does a significant drop in the brake fluid reservoir level below the MIN line typically indicate?
  68. In Norwegian road safety and vehicle operation, what happens if power steering assist fails suddenly while driving a motor vehicle?
  69. In Norwegian road safety and vehicle operation, what does it signify if the mechanical parking brake lever must be pulled almost to its uppermost stop to hold the car?
  70. In Norwegian road safety and vehicle operation, under what driving conditions is the use of front fog lights (tåkelys / kurvelys) permitted in Norway?
  71. In Norwegian road safety and vehicle operation, when should the rear red fog lamp (tåkebaklys) be used, and when should it be switched off?
  72. In Norwegian road safety and vehicle operation, what is the legal requirement regarding vehicle running lights when driving during daylight hours in Norway?
  73. In Norwegian road safety and vehicle operation, what danger exists on modern cars equipped with automatic Daytime Running Lights (DRLs) when entering dark tunnels or fog?
  74. In Norwegian road safety and vehicle operation, how does tyre width affect the risk of aquaplaning (vannplaning) at highway speeds?
  75. In Norwegian road safety and vehicle operation, if studded tyres (piggdekk) are fitted to a passenger car, on which wheels must they be installed?
  76. In Norwegian road safety and vehicle operation, in which major Norwegian cities must drivers pay an environmental studded tyre fee (piggdekkgebyr) when driving on studded tyres?
  77. In Norwegian road safety and vehicle operation, why should tyres older than 5 to 6 years be thoroughly inspected and potentially replaced even if tread depth is adequate?
  78. In Norwegian road safety and vehicle operation, how can a driver determine the exact week and year a tyre was manufactured from the markings on the sidewall?
  79. In Norwegian road safety and vehicle operation, what physical process causes brake fade (bremsesvikt due to overheating) during prolonged downhill braking?
  80. In Norwegian road safety and vehicle operation, why must conventional glycol-based brake fluid (DOT 4 / DOT 5.1) be replaced every 2 years according to service schedules?
  81. In Norwegian road safety and vehicle operation, what is the primary function of the Tyre Pressure Monitoring System (TPMS) mandated in modern passenger cars?
  82. In Norwegian road safety and vehicle operation, if your vehicle experiences an engine warning or mechanical issue while inside a long tunnel, what is the best initial course of action?
  83. In Norwegian road safety and vehicle operation, what specific lighting requirement applies to the last vehicle traveling in an escorted mountain pass winter convoy (kolonnekjøring)?
  84. In Norwegian road safety and vehicle operation, which set of items constitutes recommended winter emergency equipment to carry in a car when driving across Norwegian mountain plateaus?
  85. In Norwegian road safety and vehicle operation, what is the legal requirement regarding snow and ice removal from vehicle windows before driving on public roads?
  86. In Norwegian road safety and vehicle operation, why must heavy accumulated snow and ice be cleared from the vehicle's roof before commencing a journey?
  87. In Norwegian road safety and vehicle operation, what official standard must the mandatory reflective safety vest in a motor vehicle meet to be legally compliant?
  88. In Norwegian road safety and vehicle operation, why must an internal combustion engine never be kept running inside a closed private garage?
  89. In Norwegian road safety and vehicle operation, why must many electric vehicles (EVs) not be towed with their driven wheels rolling on the road during a breakdown?
  90. In Norwegian road safety and vehicle operation, why should cruise control (fartsholder) be switched off when driving on wet, snowy, or icy winter roads?
  91. In Norwegian road safety and vehicle operation, what is the primary mechanical danger of driving at speed through deep standing water or flooded road sections?
  92. In Norwegian road safety and vehicle operation, what should a driver do immediately after driving through deep water to restore braking efficiency?
  93. In Norwegian road safety and vehicle operation, what does § 11 of Trafikkreglene require of a driver who is reversing or turning around where visibility is restricted?
  94. In Norwegian road safety and vehicle operation, how must a family dog or other pet be transported in a passenger car in Norway?
  95. In Norwegian road safety and vehicle operation, how much impact force can an unsecured 20 kg suitcase on the rear parcel shelf exert in a frontal collision at 50 km/h?
  96. In Norwegian road safety and vehicle operation, how should a vehicle seat head restraint (nakkestøtte) be properly adjusted to prevent whiplash injuries during a rear collision?
  97. In Norwegian road safety and vehicle operation, what is the core principle of defensive driving (defensiv kjøring) taught in Norwegian driver education?
  98. In Norwegian road safety and vehicle operation, under Norwegian traffic rules (§ 12 Trafikkreglene), why is overtaking strictly prohibited immediately before a hilltop crest or sharp blind curve?
  99. In Norwegian road safety and vehicle operation, what must a driver do upon hearing sirens or seeing flashing blue lights of an approaching emergency vehicle?
  100. In Norwegian road safety and vehicle operation, what is the foundational goal of Norway's national transport safety philosophy, known as 'Nullvisjonen' (Vision Zero)?

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