PCV Mock Test 08 by theorytestuk.co.uk | Aug 31, 2023 | 0 comments Welcome to your PCV Mock Test 08 1. 29. 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 2. 38. 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 3. 59. 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 4. 76. Bus and lorry tyres have codes on their side walls. What do these codes refer to? Running pressure Speed capability Minimum temperature Tread depth 5. 60. You're driving a three-axle double-deck bus. Why should you take extra care when using full steering lock? Passengers might alter the angle of tilt The power steering might fail You may damage the air suspension You may scrub the rear tyres 6. 22. What should you do before uncoupling your trailer? Disconnect the battery Park on a firm, level surface Park in a well-lit location Unload some of the cargo 7. 69. 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 8. 11. 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 9. 32. Where should you park your vehicle before checking the engine oil level? On sloping ground On a steep gradient On flat ground On a downhill slope 10. 46. 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 11. 84. 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 12. 49. When should anti-freeze be used in the cooling system? In winter only All year round In summer only When starting from cold 13. 40. 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 14. 63. 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 15. 80. Some buses have different-sized wheels on the front and rear. What do you need to be aware of when driving at high speeds on long journeys? The tyres on the larger wheels are more likely to overheat The tyres on the smaller wheels are more likely to overheat The tyres on the larger wheels are more likely to lose pressure The tyres on the smaller wheels are more likely to lose pressure 16. 13. 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 17. 7. 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 18. 48. 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 19. 36. Why should you check your tyres more frequently on a coach with three axles? Punctures can be more difficult to detect Air pressure is more easily lost The wheels will need balancing more often You've no room for a spare wheel 20. 27. 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 21. 34. 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 22. 74. 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 23. 83. 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 24. 14. How frequently should a driver carry out a walk-round check? Daily Weekly Every 100 miles Every 1000 miles 25. 37. 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 26. 33. 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 27. 57. 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 28. 30. You're driving a double-deck bus. What's the minimum depth of tread required over three-quarters of each tyre's width? 0.8 mm 1 mm 1.6 mm 2 mm 29. 53. 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 30. 62. 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 31. 24. 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 32. 70. What should you do if you notice that your coach's right rear indicator isn't working? Continue your journey using arm signals Get it repaired before continuing Get it repaired on your return to the depot Get your passengers to their destination and then repair it 33. 43. A passenger tells you they've noticed that a wheel nut is missing from your bus. How often should you check your vehicle's wheel nuts? At the end of every week At the start of every week Every day before starting out Only at every service interval 34. 55. 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 35. 71. 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 36. 25. You're driving at night on a very busy road when your headlights fail. What should you do if the fuse box is on the outside of the bus, on the right-hand side? Ask a passenger to watch for traffic Drive on without lights Fix the problem yourself Wait for the breakdown services 37. 78. 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 38. 66. What should you do when you park a vehicle that's fitted with a turbocharger? Rev the engine up, then switch it off Switch the engine off immediately Allow the engine to idle, then switch it off Switch the engine off and on repeatedly 39. 54. 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 40. 18. 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 41. 58. 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 42. 9. 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 43. 50. 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 44. 19. 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 45. 28. 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 46. 72. 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 47. 10. 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 48. 42. 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 49. 3. What happens to diesel fuel when it gets hot? It expands It liquefies It shrinks It waxes 50. 8. Why are frequent tyre checks advisable on a tri-axle double-deck vehicle? These tyres are more likely to deflate Punctures can be difficult to detect Blow-outs are more common on these vehicles Tyre pressures are difficult to maintain 51. 61. You're driving a three-axle double-deck bus and have the steering turned onto full lock. What should you do to avoid rear tyre scrub? Use the highest gear possible Drive at a very low speed Apply the exhaust brake (retarder) Reduce the pressure in the rear tyres 52. 73. 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 53. 68. Before each journey, you should check all warning lights. What should you do if a warning light remains lit? Report the fault when you return Have the fault checked before setting off Have the fault checked at the next service Ignore it until the fault shows up 54. 16. What should you do before stopping a turbocharged engine? Release the air-suspension valve Allow the engine to idle Select reverse gear Rev the engine sharply 55. 15. Where does a high-pressure fuel injector deliver fuel? Into the carburettors Into the combustion chamber Into the manifold Into the crankcase 56. 85. You hit the kerb at speed. What part of your vehicle should you check for damage? Exhaust Brakes Lights Tyres 57. 12. 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 58. 4. Your coach often tows a trailer. How often should you check the trailer tyres for pressure? At least once a week when they're cold At least once a month when they're hot At least once a week when they're hot At least once a month when the trailer is fully laden 59. 65. 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 60. 31. 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 61. 82. Which tool is essential for fitting a road wheel? Torque wrench Ring spanner Open-end spanner Adjustable wrench 62. 41. 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 63. 67. What could happen if you overfill your engine with oil? Loss of power Lower emissions Better handling Longer service intervals 64. 1. What do heated fuel lines prevent? The cab temperature from dropping The radiator from freezing The windows from misting The diesel from solidifying 65. 51. The bus you're driving is fitted with automatic transmission. When would you use kickdown? When stopping in an emergency When changing to a higher gear When driving at slow speed When needing brisk acceleration 66. 47. 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 67. 5. 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 68. 52. Your coach is fully laden. What's the most likely reason for the steering feeling heavy? An icy road A burst rear tyre Faulty power steering Too many passengers 69. 44. 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 70. 77. When should the driver of a coach wear gloves? To load and stow passengers' luggage To operate a lift for disabled passengers To handle the fares To top up the oil or water levels 71. 21. When should you check the wheel nuts on your vehicle? Before any journey Only before long trips Every 1000 miles (1600 km) Annually 72. 86. What's the advantage of energy-saving tyres? Greater tread depth Reduced rolling resistance Less tread depth Increased rolling resistance 73. 79. 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 74. 56. What do the codes shown on the side walls of bus and lorry tyres refer to? Tread pattern Minimum temperature Maximum load Running pressure 75. 26. What does this warning light on the instrument panel mean? Low oil pressure Battery discharge Braking-system fault Door open 76. 87. What should you regularly check on the tyres of your bus? The tyre manufacturer's details are displayed The tyre pressures are all correct The dust caps are all in place The tread depths are equal on all tyres 77. 6. 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 78. 75. How can vehicle breakdowns be reduced? By driving slowly By regular servicing By regular cleaning By avoiding bad weather 79. 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 80. 81. You're driving a six-wheeled double-deck bus. What do you need to know about punctures on the rear tyres? They're much easier to detect They're more likely to happen They're more difficult to detect They're less likely to happen 81. 39. What can you add to diesel fuel to prevent it from becoming less effective at low temperatures? Anti-freeze Anti-waxing additives Petrol Paraffin 82. 35. 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 83. 45. 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 84. 64. 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 85. 20. 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 86. 23. What will result from having over-inflated tyres? You'll have improved acceleration The tyres will wear more quickly The tyres will give better grip The fuel consumption will be reduced 87. 17. What does this warning light on the instrument panel mean? Low fuel pressure Low oil pressure Low water pressure Low air pressure Time's up Submit a Comment Cancel replyYour email address will not be published. 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