LGV MOCK Test 07 by theorytestuk.co.uk | Aug 31, 2023 | 0 comments Welcome to your LGV MOCK Test 07 1. 2. What's the purpose of the oil filter? To prevent the engine from overheating To give better fuel consumption To prevent the engine from over-revving To collect metal particles from the oil 2. 41. What could happen if there isn't enough oil in your engine? It may run faster It may break down It may use less fuel It may produce more power 3. 1. Your vehicle has broken down at night on a two-way road. How should you try to leave the vehicle? On the left of the road Partly on the pavement On a grass verge On the right of the road 4. 57. How frequently should the components of a fifth-wheel coupling be inspected? Daily Weekly Monthly Yearly 5. 18. Where should you park your vehicle before checking the engine oil level? On sloping ground On a steep gradient On a flat ground On a downhill slope 6. 53. You hit the kerb at speed. What part of your vehicle should you check for damage? Exhaust Brakes Lights Tyres 7. 49. What does this warning light on the instrument panel mean? Low oil pressure Battery discharge Braking-system fault Door open 8. 26. What can you add to diesel fuel to prevent it from becoming less effective at low temperatures? Anti-freeze Anti-waxing additives Petrol Paraffin 9. 72. What's the advantage of energy-saving tyres? Greater tread depth Reduced rolling resistance Less tread depth Increased rolling resistance 10. 4. Why do air tanks on brake systems need to be drained? To remove excess coolant To remove rain water that's seeped into the system To remove any oil leaks that collect here To remove moisture drawn in from the atmosphere 11. 70. What does it mean if the ignition warning light comes on while you're driving? The oil pressure is low There's an electrical fault The air pressure is low There's a hydraulic fault 12. 61. How can vehicle breakdowns be reduced? By driving slowly By regular servicing By regular cleaning By avoiding bad weather 13. 79. What should you do if thick black smoke is coming from the exhaust of your vehicle? Continue on to the nearest garage Return to your depot and report the problem Stop in a safe place and get help Drive slowly with your hazard warning lights on 14. 62. What's the most likely reason for a diesel-engined vehicle running erratically in very cold weather? The endurance brake engaging The air conditioning not working The speed limiter operating The fuel partly solidifying 15. 29. What must vehicle operators provide for their drivers? A system for reporting vehicle defects A daily update on all motorway hold-ups A hands-free mobile communications system A fuel-saving incentive scheme 16. 66. In very cold weather, moisture can freeze in your vehicle's air storage tanks. What can you do to help prevent this from happening? Cover the air tanks with a blanket Drain the tanks daily Use the brakes frequently Pump the brakes 17. 65. What do the codes shown on the side walls of bus and lorry tyres refer to? Tread pattern Minimum temperature Maximum load Running pressure 18. 50. Why should you carry out a daily walk-round check before setting off? To check your route To check for any parking violations To check your schedule To check for any defects 19. 8. Your steering suddenly becomes heavy to turn. What could make this happen? An uneven road surface A loss of air-brake pressure A faulty parking brake A fault with the power-assisted steering 20. 77. What do heated fuel lines prevent? The cab temperature from dropping The radiator from freezing The windows from misting The diesel from solidifying 21. 28. What should you do if you notice that two wheel nuts are missing from one of the wheels on your vehicle? Continue your journey Drive to the nearest tyre depot Use a nut from another wheel Park and phone for assistance 22. 54. What proportion of the width of a tyre must have at least the legal minimum depth of tread? One-quarter One-half Five-eighths Three-quarters 23. 69. When should wheel nuts be checked? After driving down a steep hill Soon after initial tightening Just after driving on a motorway After unloading 24. 67. What does this warning light on the instrument panel mean? Low fuel pressure Low oil pressure Low water pressure Low air pressure 25. 21. Why are energy-saving tyres effective? They have a reduced rolling resistance They cost less to produce They have no tread pattern They don't puncture at high speed 26. 24. What happens to diesel fuel when it gets hot? It expands It liquefies It shrinks It waxes 27. 51. Where does a high-pressure fuel injector deliver fuel? Into the carburettors Into the combustion chamber Into the manifold Into the crankcase 28. 47. Which tool is essential for fitting a road wheel? Torque wrench Ring spanner Open-end spanner Adjustable wrench 29. 44. How can you check the age of a tyre fitted to your vehicle? The date of manufacture of each tyre is displayed in the cab From the tachograph's tyre log The date of tyre manufacture is shown on the tyre sidewall From the tyre history on the vehicle plate 30. 63. You're about to start a long journey midway through the day. What should you do if you notice that the sidelights work but the headlights are faulty? Don't drive until they're repaired Drive only until the light begins to fade Avoid driving on motorways after dark Drive only if the weather is good 31. 45. What should you check before you drive off a muddy building site onto the road? The diff-lock is disengaged The diff-lock is engaged The steering lock is engaged The twist lock is disengaged 32. 59. Why is it important to avoid overfilling the engine with oil? It could leave an oil stain on the road It will increase the amount of exhaust gases It could increase pressure in the engine and cause damage It will damage the exhaust system 33. 48. How often should the components of the fifth-wheel coupling be inspected? Every 3000 miles (5000 km) Every 6000 miles (10 000 km) Every 9000 miles (15 000 km) Every 12 000 miles (20 000 km) 34. 35. What will happen if you follow a regular vehicle maintenance schedule? It will reduce breakdowns It will increase fuel bills It will allow heavier loads to be carried It will reduce insurance premiums 35. 42. What's the final thing you should do after recoupling a trailer? Connect the brake lines Release the trailer parking brake Connect the electrical lines Raise the trailer legs 36. 3. What's the most likely cause if your steering starts to feel heavy? Faulty power steering An icy road A burst rear tyre A wet road 37. 71. You discover that one of your rear brake-light bulbs has failed. How soon should it be replaced? Immediately On return to your base Within five days At the next service 38. 34. What's most likely to cause a burst tyre? Frequent gear changing in varying conditions Running tyres under-inflated Always operating in cool weather Mixing tyres with different tread depth 39. 32. A tyre has been replaced on your vehicle. What precautions should be taken when tightening the wheel nuts? Tighten the nuts in a clockwise direction Fully tighten each nut before moving to the next Tighten the nuts evenly with a torque wrench Tighten the nuts with an air-operated power tool 40. 56. The Driver and Vehicle Standards Agency (DVSA) and the police carry out spot checks for faulty vehicles. What will happen to the vehicle if serious defects are found? It will be impounded until a new driver is found It will be restricted to 30 mph for the remainder of the journey It will be prohibited from further use until the defects are rectified It will be ordered back to the depot to unload goods or passengers 41. 6. Why should your engine oil be changed at the recommended intervals? To reduce friction and wear For better steering control To prevent oil leaks To improve clutch wear 42. 16. When should your lorry coupling system (fifth wheel) be checked and lubricated? Only prior to an MOT test Every 6 months Yearly Regularly 43. 12. What's the minimum depth of tread required over three-quarters of the breadth of a lorry tyre? 1 mm 1.5 mm 2.5 mm 5 mm 44. 40. Your vehicle has double rear wheels. Why should you check them before leaving a building site? To make sure the diff-lock is engaged To make sure the diff-lock is disengaged To check that the load-sensing valve is operating correctly To make sure bricks or debris aren't wedged between the wheels 45. 73. When can 'selective' or 'block' gear changing be used? To change down in gear only To change up in gear only To change gear to a low speed only To change either up or down in gear 46. 74. At a Driver and Vehicle Standards Agency (DVSA) roadside check, your vehicle is found to have serious defects and you may no longer use it. Who will DVSA share this information with? The Driver and Vehicle Licensing Agency The Traffic Commissioner The Road Transport Industry Training Body The Bus, Coach and Commercial Vehicle Council 47. 31. You're driving a lorry along a motorway. You notice that you're losing tread from one of your tyres. What should you do? Stop on the hard shoulder and phone for assistance Stop on the hard shoulder and change the wheel Continue driving to the next service station Continue driving and leave by the next exit 48. 20. What's it advisable to do when you replace a tubeless tyre? Fit the same valve Replace the valve Have the valve checked Clean the valve 49. 19. A loud buzzer sounds in your vehicle. What's this most likely to indicate? Low oil pressure Low air pressure Low tyre pressure Low fuel level 50. 5. What should you do if the brake pedal becomes hard to press? Continue to drive and report it at the end of the day Pump the brake pedal continuously Drain the air tanks and then continue Park and phone for help 51. 33. What's the fifth-wheel coupling used for? To connect the tractor unit to the trailer To support the trailer when it's detached To prevent the trailer from jack-knifing To attach air lines to the trailer 52. 36. What should you do if your power-assisted steering fails suddenly? Continue driving to the nearest repair centre Return to the depot Continue your journey at a slower speed Park and get help 53. 52. What could happen if you overfill your engine with oil? The handling may improve Exhaust emissions could be reduced Some gaskets might be damaged You could wait longer before the next service 54. 25. You're driving a new articulated lorry that's fully laden. You notice that the steering feels heavy. What's the most likely reason? The road is icy The power steering is faulty The lorry is new The load on the trailer has shifted 55. 76. Where can you get advice to help carry out minor repairs? DVLA guidance notes EU and UK directives The Health and Safety Executive The vehicle handbook 56. 10. What should you check for wear or damage on a drawbar unit? Dog clip Fifth wheel Kingpin release handle Eyelet coupling 57. 11. When should you check the wheel nuts on your vehicle? Before any journey Only before long trips Every 1000 miles (1600 km) Annually 58. 9. When should anti-freeze be used in the cooling system? In winter only All year round In summer only When starting from cold 59. 14. What would be illegal? Using different makes of tyre on the same axle Using a tyre with a recut tread Using a tyre with a tread depth of 1.3 mm Using a tyre with exposed ply or cord 60. 46. You're driving along a motorway. What should you do if the air-pressure warning device starts to operate? Stop immediately in the lane you're in Continue slowly to the next service area Stop on the hard shoulder as soon as possible Leave the motorway at the next exit 61. 7. You're checking your vehicle. What should you do if you discover an air leak in the braking system? Drive slowly to the nearest garage Check the leak from time to time on your journey Leave the vehicle parked and report the fault immediately Start your journey and report the fault on your return 62. 55. What should you do before changing a wheel on your vehicle? Leave the parking brake off Use wheel chocks if available Dismantle the wheel and tyre Get someone to check the other tyres 63. 15. You've had to change a wheel on your vehicle. When should the wheel nuts be checked again? At the next service interval When they're cold When they're hot Shortly afterwards 64. 64. You're uncoupling a trailer. What must you do before disconnecting any of the air lines? Drain the air tanks Apply the trailer parking brake Lower the landing gear Disconnect the electrical line 65. 78. Bus and lorry tyres have codes on their side walls. What do these codes refer to? Running pressure Speed capability Minimum temperature Tread depth 66. 81. Before starting a journey, you want to check your brake-system warning lights. What can you do when these aren't operated by the ignition switch? Look for a check switch on the dashboard Get someone behind to check your brake lights Check them at the end of your journey Pump the brake pedal a number of times 67. 30. When would you use 'kickdown' on a vehicle that has automatic transmission? To give quicker acceleration To apply the emergency brakes To stop more smoothly To go down a steep hill 68. 75. On your daily walk-round check, you see that one front tyre is more than 10 years old. What should you do before using the vehicle? Check the tyre pressure Get the tyre replaced Record the tyre's age on your log Check the tread depth 69. 68. You've stopped on a firm, level surface. What's the first thing you must do before you uncouple the trailer? Lower the trailer legs to the ground Apply the parking brake Release the brake air lines Uncouple the electrical lines 70. 39. You notice that one of your tyres has a bulge in the side wall. What will happen if you drive the vehicle? Your tachograph reading won't be accurate Your speedometer will give an incorrect reading The vehicle will become unstable on corners You'll break the law and risk prosecution 71. 58. While driving, your engine-oil warning light comes on. Why could it be dangerous to continue driving? The brakes will fail The engine may be damaged You'll need to have the vehicle serviced You'll need to replace the carburettor 72. 17. Your vehicle suffers a tyre blow-out. How could this create a hazard for other road users? Scattered debris Skid marks Suspension failure Axle damage 73. 38. Why should you use an approved coolant solution in your engine's cooling system? To protect the coolant from freezing For easier starting from cold To prevent the air tank from freezing For effective cab heating 74. 22. What could happen if you overfill your engine with oil? Loss of power Lower emissions Better handling Longer service intervals 75. 13. You're checking your vehicle's tyres before starting a long motorway journey. What check should be made on each tyre? Air pressure Tracking Valve clearance Tyre profile 76. 60. On motorways, you're usually driving at higher speeds for long distances. What effect can this have on your tyres? They'll be more likely to overheat and disintegrate They'll have lower rolling resistance They'll need less air pressure They'll become very slippery 77. 27. What's the main reason for cleaning your wheels and tyres when you leave a building site? To keep the tyres in good condition To prevent the tyres from damaging the road surface To reduce air leakage from the tyre valves To stop mud dropping onto the road 78. 80. Where can you get advice about carrying out repairs to your vehicle? Workshop manuals DVLA guidance notes EU and UK directives The Health and Safety Executive 79. 43. When should you check the oil level in your engine? When the engine is running When the engine is cold When the engine is warm When the engine is hot 80. 23. What's the purpose of a preheating device? To heat the cab To heat the gearbox To heat the combustion chambers To heat the seat 81. 37. What would you secure with a dog clip? The kingpin release handle The air lines The parking brake The diff-lock Time's up Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.
