There are 64 LGV theory test Environmental Issues questions. You must get 86% (54 out of 64) to pass the test. You may review answers after each question by clicking the 'check answer' button or you can wait until the end of the test for your final score. Good luck!
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1. Your lorry has been fitted with wind deflectors. How will they affect your vehicle?
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Correct Answer: C
Explanation: Wind deflectors direct the wind either around or over your vehicle, so reducing the wind resistance. The vehicle then requires less power to make progress against the wind, and so will use less fuel.
Explanation: Wind deflectors direct the wind either around or over your vehicle, so reducing the wind resistance. The vehicle then requires less power to make progress against the wind, and so will use less fuel.
Correct Answer: A
Explanation: A wind deflector redirects the air flow around the vehicle. This reduces the amount of energy required to drive the vehicle forward and so saves fuel.
Explanation: A wind deflector redirects the air flow around the vehicle. This reduces the amount of energy required to drive the vehicle forward and so saves fuel.
Correct Answer: D
Explanation: Wind deflectors reduce a vehicle's wind resistance and so help reduce fuel consumption.
Explanation: Wind deflectors reduce a vehicle's wind resistance and so help reduce fuel consumption.
4. You're a driver who's certified to carry dangerous goods. How long is your certificate valid?
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Correct Answer: A
Explanation: The operator of a UK-registered vehicle engaged in the carriage of dangerous goods should make sure that the driver has a valid vocational training certificate. These certificates are valid for five years.
Explanation: The operator of a UK-registered vehicle engaged in the carriage of dangerous goods should make sure that the driver has a valid vocational training certificate. These certificates are valid for five years.
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Correct Answer: A
Explanation: Noise, vibration, exhaust emissions and fuel consumption all contribute to the environmental impact made by a lorry. Good anticipation and forward planning will help to reduce these effects. Braking in good time saves fuel and so helps reduce exhaust emissions. It also helps reduce wear on the vehicle, its tyres and the road surface.
Explanation: Noise, vibration, exhaust emissions and fuel consumption all contribute to the environmental impact made by a lorry. Good anticipation and forward planning will help to reduce these effects. Braking in good time saves fuel and so helps reduce exhaust emissions. It also helps reduce wear on the vehicle, its tyres and the road surface.
Correct Answer: A
Explanation: Drag is caused by wind entering the cavity of an uncovered tipper. If the cavity is covered, then the drag is reduced.
Explanation: Drag is caused by wind entering the cavity of an uncovered tipper. If the cavity is covered, then the drag is reduced.
Correct Answer: C
Explanation: Wind deflectors lower a vehicle's wind resistance. The vehicle therefore requires less energy to drive it forward, and this reduces its fuel consumption. Ecosafe driving techniques, correct tyre pressures and proper maintenance also help to maximise fuel efficiency.
Explanation: Wind deflectors lower a vehicle's wind resistance. The vehicle therefore requires less energy to drive it forward, and this reduces its fuel consumption. Ecosafe driving techniques, correct tyre pressures and proper maintenance also help to maximise fuel efficiency.
Correct Answer: A
Explanation: Red diesel is subject to less excise duty than standard diesel, so it's considerably cheaper. It may only be used for authorised purposes. Any driver whose vehicle is found to be using this fuel illegally faces penalties.
Explanation: Red diesel is subject to less excise duty than standard diesel, so it's considerably cheaper. It may only be used for authorised purposes. Any driver whose vehicle is found to be using this fuel illegally faces penalties.
9. You're driving a lorry with a loaded skip. Why should the skip be covered with a net?
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Correct Answer: B
Explanation: If the load isn't covered, rubbish can be blown onto the carriageway. This can cause danger for other road users, as well as environmental damage. It may also lead to legal action against both the driver and the operator.
Explanation: If the load isn't covered, rubbish can be blown onto the carriageway. This can cause danger for other road users, as well as environmental damage. It may also lead to legal action against both the driver and the operator.
10. What must you do when you park a lorry weighing more than 7.5 tonnes on a verge for essential loading?
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Correct Answer: B
Explanation: Goods vehicles with a maximum authorised mass of more than 7.5 tonnes (including any trailer) mustn't be parked on a verge without police permission. The only exception is when this is essential for loading and unloading. In these cases, the vehicle mustn't be left unattended.
Explanation: Goods vehicles with a maximum authorised mass of more than 7.5 tonnes (including any trailer) mustn't be parked on a verge without police permission. The only exception is when this is essential for loading and unloading. In these cases, the vehicle mustn't be left unattended.
11. What must you have before you can leave a lorry weighing more than 7.5 tonnes unattended on a verge?
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Correct Answer: C
Explanation: If your vehicle is to be left unattended on a verge, you must first get permission from the police.
Explanation: If your vehicle is to be left unattended on a verge, you must first get permission from the police.
Correct Answer: B
Explanation: Poorly maintained engines use more fuel and emit more exhaust fumes than those that are well maintained. Filters need to be changed on a regular basis. Remember that members of the public are encouraged to report vehicles emitting excessive exhaust fumes.
Explanation: Poorly maintained engines use more fuel and emit more exhaust fumes than those that are well maintained. Filters need to be changed on a regular basis. Remember that members of the public are encouraged to report vehicles emitting excessive exhaust fumes.
Correct Answer: D
Explanation: Correctly adjusted air deflectors will save fuel. They should be adjusted to guide the airflow over the highest point at the front of the trailer or load and body.
Explanation: Correctly adjusted air deflectors will save fuel. They should be adjusted to guide the airflow over the highest point at the front of the trailer or load and body.
14. What would staff from HM Revenue and Customs (HMRC) be looking for at a roadside check?
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Correct Answer: C
Explanation: HMRC can check the type of fuel you're using, and the type and legality of your load. Red diesel is dyed gas oil with a lower tax than regular diesel. It can only be used in agricultural and construction vehicles (such as tractors). Red diesel mustn't be used in freight transport.
Explanation: HMRC can check the type of fuel you're using, and the type and legality of your load. Red diesel is dyed gas oil with a lower tax than regular diesel. It can only be used in agricultural and construction vehicles (such as tractors). Red diesel mustn't be used in freight transport.
Correct Answer: C
Explanation: Keeping the height of the load as low as possible will reduce the wind resistance of the vehicle. This will help to save fuel. It's particularly relevant when using a flat-bodied lorry or trailer.
Explanation: Keeping the height of the load as low as possible will reduce the wind resistance of the vehicle. This will help to save fuel. It's particularly relevant when using a flat-bodied lorry or trailer.
Correct Answer: C
Explanation: If your suspension is damaged, all the weight of the vehicle compresses the road and anything located below it. The vibrations travel through the ground and can also damage surrounding buildings.
Explanation: If your suspension is damaged, all the weight of the vehicle compresses the road and anything located below it. The vibrations travel through the ground and can also damage surrounding buildings.
Correct Answer: B
Explanation: This is the sign for a tram. These vehicles are powered by electricity and reduce the emissions released into the environment. As they can carry many people, they can help to reduce the number of other vehicles on the road.
Explanation: This is the sign for a tram. These vehicles are powered by electricity and reduce the emissions released into the environment. As they can carry many people, they can help to reduce the number of other vehicles on the road.
Correct Answer: C
Explanation: Lorries and buses are much heavier than cars and will have a greater impact on the road surface.
Explanation: Lorries and buses are much heavier than cars and will have a greater impact on the road surface.
Correct Answer: D
Explanation: Air suspension reduces the pounding of the vehicle on an uneven road surface. This, in turn, reduces the vibrations transmitted to buildings and underground services along the route.
Explanation: Air suspension reduces the pounding of the vehicle on an uneven road surface. This, in turn, reduces the vibrations transmitted to buildings and underground services along the route.
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Correct Answer: B
Explanation: Good forward planning will reduce fuel consumption and engine emissions. This will cause less wear on the vehicle and its tyres, as well as reducing environmental pollution.
Explanation: Good forward planning will reduce fuel consumption and engine emissions. This will cause less wear on the vehicle and its tyres, as well as reducing environmental pollution.
Correct Answer: D
Explanation: By using a bypass, rather than joining the stop/start traffic in a town centre, you're less likely to be held up and can travel at a constant speed. Keeping to a constant speed will reduce the amount of pollution produced by your vehicle.
Explanation: By using a bypass, rather than joining the stop/start traffic in a town centre, you're less likely to be held up and can travel at a constant speed. Keeping to a constant speed will reduce the amount of pollution produced by your vehicle.
Correct Answer: D
Explanation: If you plan your journey to avoid busy times, you can avoid congestion. That way, your overall journey time may be reduced, so cutting costs and making you a more efficient driver.
Explanation: If you plan your journey to avoid busy times, you can avoid congestion. That way, your overall journey time may be reduced, so cutting costs and making you a more efficient driver.
23. You've just refilled your fuel tank. What must you check before driving away from the fuel pump?
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Correct Answer: A
Explanation: Leaving the filler cap off, or not properly securing it, could result in a spillage of diesel onto the road. Because diesel is slippery, this would be a major hazard, so make sure to correctly secure the filler cap after use.
Explanation: Leaving the filler cap off, or not properly securing it, could result in a spillage of diesel onto the road. Because diesel is slippery, this would be a major hazard, so make sure to correctly secure the filler cap after use.
Correct Answer: A
Explanation: Fuel spilled on the road is a serious danger to other road users, especially motorcyclists. To prevent this from happening, make sure the filler cap is secure after refuelling.
Explanation: Fuel spilled on the road is a serious danger to other road users, especially motorcyclists. To prevent this from happening, make sure the filler cap is secure after refuelling.
25. You're following a lorry that's leaking fuel. What should you be especially aware of?
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Correct Answer: B
Explanation: Leaking fuel can make the road extremely slippery. Look out for this, particularly on roundabouts.
Explanation: Leaking fuel can make the road extremely slippery. Look out for this, particularly on roundabouts.
Correct Answer: D
Explanation: Suspension faults may result in road damage. Road-friendly suspension reduces the impact on the environment, the road surface and under-road services.
Explanation: Suspension faults may result in road damage. Road-friendly suspension reduces the impact on the environment, the road surface and under-road services.
Correct Answer: C
Explanation: You should always plan your route. This will ensure you always drive on roads that are suitable for the size and weight of your vehicle. By planning to avoid peak travel times, you can also avoid congestion. This can save you fuel, as well as reducing your journey times.
Explanation: You should always plan your route. This will ensure you always drive on roads that are suitable for the size and weight of your vehicle. By planning to avoid peak travel times, you can also avoid congestion. This can save you fuel, as well as reducing your journey times.
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Correct Answer: C
Explanation: Low-sulphur diesel reduces the levels of sulphur-dioxide particles in exhaust emissions. It's widely available and makes a contribution to reducing emissions that are harmful to human health.
Explanation: Low-sulphur diesel reduces the levels of sulphur-dioxide particles in exhaust emissions. It's widely available and makes a contribution to reducing emissions that are harmful to human health.
Correct Answer: C
Explanation: Sulphur produces acidic gases. Diesel fuels with lower sulphur content have been produced to reduce exhaust emissions that harm both people and the environment.
Explanation: Sulphur produces acidic gases. Diesel fuels with lower sulphur content have been produced to reduce exhaust emissions that harm both people and the environment.
Correct Answer: D
Explanation: Make certain that your filler caps are properly closed, so that you don't spill fuel as you drive along the road.
Explanation: Make certain that your filler caps are properly closed, so that you don't spill fuel as you drive along the road.
31. You're driving between the hours of 11.30 pm and 7.00 am. When must you switch off your vehicle's reverse warning bleeper?
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Correct Answer: A
Explanation: Your vehicle will make more noise than a car, so you should try to avoid making unnecessary noise at any time of the day or night. This is especially important when you're in a residential area at a time when people are likely to be sleeping.
Explanation: Your vehicle will make more noise than a car, so you should try to avoid making unnecessary noise at any time of the day or night. This is especially important when you're in a residential area at a time when people are likely to be sleeping.
Correct Answer: A
Explanation: Use your air conditioning only when it's absolutely necessary. Running it continuously increases overall fuel consumption by up to 15%.
Explanation: Use your air conditioning only when it's absolutely necessary. Running it continuously increases overall fuel consumption by up to 15%.
Correct Answer: D
Explanation: Air suspension provides a smoother journey than traditional suspension and transmits less vibration to the road surface, under-road services and nearby structures, such as bridges. It's considered to be environmentally friendly because it reduces damage to the road network.
Explanation: Air suspension provides a smoother journey than traditional suspension and transmits less vibration to the road surface, under-road services and nearby structures, such as bridges. It's considered to be environmentally friendly because it reduces damage to the road network.
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Correct Answer: B
Explanation: Some vehicles are fitted with an audible warning that sounds when the vehicle is reversing. This is an effective way to warn pedestrians and other road users of a reversing vehicle, but it doesn't take away the need to use effective observation all around your vehicle before and while you're reversing. Don't use the device in built-up areas between 11.30 pm and 7.00 am. Have consideration for the residents and don't disturb them with excessive noise.
Explanation: Some vehicles are fitted with an audible warning that sounds when the vehicle is reversing. This is an effective way to warn pedestrians and other road users of a reversing vehicle, but it doesn't take away the need to use effective observation all around your vehicle before and while you're reversing. Don't use the device in built-up areas between 11.30 pm and 7.00 am. Have consideration for the residents and don't disturb them with excessive noise.
35. What are the consequences of driving your vehicle when it's emitting excessive exhaust smoke?
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Correct Answer: C
Explanation: It's illegal to drive a vehicle that's emitting excessive exhaust smoke, so you should get the problem fixed as soon as you're aware of it. Excessive exhaust smoke increases pollution and creates a hazard for other road users.
Explanation: It's illegal to drive a vehicle that's emitting excessive exhaust smoke, so you should get the problem fixed as soon as you're aware of it. Excessive exhaust smoke increases pollution and creates a hazard for other road users.
Correct Answer: D
Explanation: Road-friendly suspension reduces the vibration caused by the impact of the wheels on the road surface.
Explanation: Road-friendly suspension reduces the vibration caused by the impact of the wheels on the road surface.
Correct Answer: B
Explanation: By planning your journey to avoid busy times, you'll avoid the build-up of traffic that often occurs.
Explanation: By planning your journey to avoid busy times, you'll avoid the build-up of traffic that often occurs.
38. You've parked for a short time in a town while you plan your route. What should you do while your vehicle is parked?
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Correct Answer: D
Explanation: Turning off the engine is safer and emits less fumes into the environment. Leaving the engine idling unnecessarily will also waste fuel.
Explanation: Turning off the engine is safer and emits less fumes into the environment. Leaving the engine idling unnecessarily will also waste fuel.
Correct Answer: B
Explanation: All drivers should play their part to protect the environment against traffic pollution. Make sure the vehicle you drive is properly maintained. Report any defects, such as excessive exhaust smoke, as soon as you can.
Explanation: All drivers should play their part to protect the environment against traffic pollution. Make sure the vehicle you drive is properly maintained. Report any defects, such as excessive exhaust smoke, as soon as you can.
40. Diesel fuel has been spilled on the road. Which road users will this be a particular danger for?
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Correct Answer: D
Explanation: Spilt diesel creates a serious risk to other road users, especially motorcyclists. Take care when refuelling and make sure that all filler caps and tank hatches are properly closed and secure.
Explanation: Spilt diesel creates a serious risk to other road users, especially motorcyclists. Take care when refuelling and make sure that all filler caps and tank hatches are properly closed and secure.
41. You're driving in a built-up area between 11.30 pm and 7.00 am. For what reason can you sound the vehicle's horn?
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Correct Answer: D
Explanation: The horn shouldn't be used between 11.30 pm and 7.00 am in a built-up area. The only exception is when another road user is unaware of you and poses a danger.
Explanation: The horn shouldn't be used between 11.30 pm and 7.00 am in a built-up area. The only exception is when another road user is unaware of you and poses a danger.
42. Spilled diesel makes the road very slippery. Which vehicles will be most at risk from this hazard?
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Correct Answer: C
Explanation: Take care to secure caps and tank hatches. Diesel is very slippery and, if spilled on the road, it's particularly dangerous to motorcyclists.
Explanation: Take care to secure caps and tank hatches. Diesel is very slippery and, if spilled on the road, it's particularly dangerous to motorcyclists.
Correct Answer: B
Explanation: Don't drive without a fuel filler cap in place, as fuel could spill onto the road, especially when you're cornering or turning at a roundabout. Diesel fuel will make the road surface extremely slippery. Any spillage should be reported, so that the emergency services can make the road safe.
Explanation: Don't drive without a fuel filler cap in place, as fuel could spill onto the road, especially when you're cornering or turning at a roundabout. Diesel fuel will make the road surface extremely slippery. Any spillage should be reported, so that the emergency services can make the road safe.
44. Before starting a journey, it's wise to plan ahead. What would you do to help plan your route?
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Correct Answer: C
Explanation: Planning your journey before you set out can make the drive much easier and reduce traffic congestion. Look at a map to help you do this. You may need maps of different scales, depending on where and how far you're going. Printing or writing down the route can also help. Don't look at the map while you're driving; stop somewhere safe before checking your route again.
Explanation: Planning your journey before you set out can make the drive much easier and reduce traffic congestion. Look at a map to help you do this. You may need maps of different scales, depending on where and how far you're going. Printing or writing down the route can also help. Don't look at the map while you're driving; stop somewhere safe before checking your route again.
Correct Answer: A
Explanation: Most motoring organisation websites allow you to create a detailed plan of your trip, showing directions and distances. Some also include advice on rest and fuel stops. The Traffic England website will give you information on roadworks and incidents, along with expected delay times.
Explanation: Most motoring organisation websites allow you to create a detailed plan of your trip, showing directions and distances. Some also include advice on rest and fuel stops. The Traffic England website will give you information on roadworks and incidents, along with expected delay times.
Correct Answer: D
Explanation: Various route planners are available on the internet. Most of them give you options, allowing you to choose the most direct route, the quickest route or a scenic route. The plans may also include rest and fuel stops. Print them off and take them with you, but don't look at them while you're actually driving.
Explanation: Various route planners are available on the internet. Most of them give you options, allowing you to choose the most direct route, the quickest route or a scenic route. The plans may also include rest and fuel stops. Print them off and take them with you, but don't look at them while you're actually driving.
Correct Answer: C
Explanation: Print or write down your route before setting out. Some places aren't well signed, so using both place names and road numbers may help you avoid getting lost. Find out how far you'll be travelling and plan your rest stops into the route.
Explanation: Print or write down your route before setting out. Some places aren't well signed, so using both place names and road numbers may help you avoid getting lost. Find out how far you'll be travelling and plan your rest stops into the route.
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Correct Answer: A
Explanation: Avoiding busy times means that you're not adding needlessly to traffic congestion. Other advantages are that you'll use less fuel and you may have an easier journey, making you feel less stressed.
Explanation: Avoiding busy times means that you're not adding needlessly to traffic congestion. Other advantages are that you'll use less fuel and you may have an easier journey, making you feel less stressed.
Correct Answer: B
Explanation: If possible, avoid the early morning, late afternoon and early evening peak times. Doing this should allow you to miss the worst daily traffic jams and to travel in a more relaxed frame of mind, arriving at your destination feeling less stressed.
Explanation: If possible, avoid the early morning, late afternoon and early evening peak times. Doing this should allow you to miss the worst daily traffic jams and to travel in a more relaxed frame of mind, arriving at your destination feeling less stressed.
50. Planning your route before starting a journey is a good idea. Why should you also plan an alternative route?
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Correct Answer: D
Explanation: It can be frustrating and worrying to find your planned route is blocked by roadworks or diversions. If you've planned an alternative, you'll feel less stressed and able to concentrate fully on your driving. If your original route is mostly on motorways, it's a good idea to plan an alternative using non-motorway roads. Always carry a map with you just in case you need to refer to it - but stop driving before you do so.
Explanation: It can be frustrating and worrying to find your planned route is blocked by roadworks or diversions. If you've planned an alternative, you'll feel less stressed and able to concentrate fully on your driving. If your original route is mostly on motorways, it's a good idea to plan an alternative using non-motorway roads. Always carry a map with you just in case you need to refer to it - but stop driving before you do so.
Correct Answer: C
Explanation: By driving smoothly, you'll reduce fuel consumption by about 15%, and you'll reduce the amount of wear and tear on your vehicle. You'll also feel more relaxed and have a more pleasant journey.
Explanation: By driving smoothly, you'll reduce fuel consumption by about 15%, and you'll reduce the amount of wear and tear on your vehicle. You'll also feel more relaxed and have a more pleasant journey.
Correct Answer: B
Explanation: Missing out intermediate gears, when appropriate, reduces the amount of time you spend accelerating. Your vehicle uses the most fuel when you're accelerating, so reducing this will reduce your vehicle's fuel consumption.
Explanation: Missing out intermediate gears, when appropriate, reduces the amount of time you spend accelerating. Your vehicle uses the most fuel when you're accelerating, so reducing this will reduce your vehicle's fuel consumption.
53. Usually, a rev counter is divided into coloured bands. Which band should you stay in for maximum fuel economy?
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Correct Answer: C
Explanation: Most large vehicles have a rev counter (tachometer) that's divided into coloured bands. This helps you to drive in the most fuel-efficient way and avoid damage to the engine. The green band is the one that gives adequate torque and power with optimum fuel economy.
Explanation: Most large vehicles have a rev counter (tachometer) that's divided into coloured bands. This helps you to drive in the most fuel-efficient way and avoid damage to the engine. The green band is the one that gives adequate torque and power with optimum fuel economy.
54. What would be the most likely effect of driving with the rev counter in the red band?
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Correct Answer: B
Explanation: Driving with the rev counter in the red band will cause the engine to wear prematurely and can lead to expensive repairs. This could result in the vehicle being off the road for some time.
Explanation: Driving with the rev counter in the red band will cause the engine to wear prematurely and can lead to expensive repairs. This could result in the vehicle being off the road for some time.
55. What can be expected after drivers complete a Driver Certificate of Professional Competence (Driver CPC)?
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Correct Answer: C
Explanation: Better knowledge and use of ecosafe driving techniques can result in lower fuel consumption and emissions. Other benefits include improved road safety and greater professionalism.
Explanation: Better knowledge and use of ecosafe driving techniques can result in lower fuel consumption and emissions. Other benefits include improved road safety and greater professionalism.
Correct Answer: C
Explanation: Less fuel will be used to move your vehicle at the same speed if you use a tyre with reduced rolling resistance, rather than one of normal construction. Low-rolling-resistance tyres aren't all the same; they have ratings for rolling resistance, wet-weather grip and noise. Specialists can advise on the best tyres for specific requirements.
Explanation: Less fuel will be used to move your vehicle at the same speed if you use a tyre with reduced rolling resistance, rather than one of normal construction. Low-rolling-resistance tyres aren't all the same; they have ratings for rolling resistance, wet-weather grip and noise. Specialists can advise on the best tyres for specific requirements.
57. Your vehicle is fitted with an engine management system. What will happen if you press the accelerator when you're starting the engine?
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Correct Answer: A
Explanation: When starting an engine fitted with an engine management system, you don't need to press the accelerator, because the engine management system automatically regulates the fuel/air supply. Using the accelerator at start-up wastes fuel, causes increased engine noise and is harmful to the environment.
Explanation: When starting an engine fitted with an engine management system, you don't need to press the accelerator, because the engine management system automatically regulates the fuel/air supply. Using the accelerator at start-up wastes fuel, causes increased engine noise and is harmful to the environment.
58. What benefit is expected to come from having a Driver Certificate of Professional Competence (Driver CPC) qualification?
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Correct Answer: A
Explanation: The Driver CPC qualification and training syllabus is designed to lead to enhanced professionalism and improvements in road safety. Other expected benefits are a general reduction in fuel consumption and emissions, resulting from a better knowledge of ecosafe driving techniques.
Explanation: The Driver CPC qualification and training syllabus is designed to lead to enhanced professionalism and improvements in road safety. Other expected benefits are a general reduction in fuel consumption and emissions, resulting from a better knowledge of ecosafe driving techniques.
59. You've been stopped at a roadside check. What would staff from the environmental health department be checking?
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Correct Answer: A
Explanation: Local-authority environmental health departments check vehicles' exhaust emissions. They have the power to prosecute the driver and the operator, as do enforcement bodies such as DVSA.
Explanation: Local-authority environmental health departments check vehicles' exhaust emissions. They have the power to prosecute the driver and the operator, as do enforcement bodies such as DVSA.
Correct Answer: C
Explanation: Driving in an ecosafe manner means that you plan well ahead for hazards and react in good time. This can save fuel and is therefore good for the environment.
Explanation: Driving in an ecosafe manner means that you plan well ahead for hazards and react in good time. This can save fuel and is therefore good for the environment.
Correct Answer: B
Explanation: Using cruise control can help save fuel. The sensitive electronics make continuous micro-adjustments that improve efficiency. It should only be used when you can see well ahead in good road conditions. Be prepared to switch it off immediately if the traffic situation changes.
Explanation: Using cruise control can help save fuel. The sensitive electronics make continuous micro-adjustments that improve efficiency. It should only be used when you can see well ahead in good road conditions. Be prepared to switch it off immediately if the traffic situation changes.
62. How would you benefit from forward planning and early recognition of potential hazards?
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Correct Answer: C
Explanation: Poor planning leads to late braking and harsh acceleration. This causes higher fuel consumption and increased emissions, which is harmful to the environment.
Explanation: Poor planning leads to late braking and harsh acceleration. This causes higher fuel consumption and increased emissions, which is harmful to the environment.
Correct Answer: B
Explanation: Using air conditioning continuously can increase fuel consumption by about 15%. Think of the environment and only use it when it's necessary.
Explanation: Using air conditioning continuously can increase fuel consumption by about 15%. Think of the environment and only use it when it's necessary.
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Correct Answer: C
Explanation: A number of ancillary systems use power from the engine to operate. The downside to this is that fuel consumption can increase. Air conditioning can increase fuel consumption by up to 15%.
Explanation: A number of ancillary systems use power from the engine to operate. The downside to this is that fuel consumption can increase. Air conditioning can increase fuel consumption by up to 15%.