Question: 2.7.02-205

3 Points

Licenses: C C1 D D1 T C1E D1E DE

What faults could be a possible cause of inadequate air compressor performance?

Choose one or multiple correct answers

A. Slipping fan belt or soiled air filter
B. Damaged air compressor
C. Water in the reserve tanks

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Correct answer

A. Slipping fan belt or soiled air filter
B. Damaged air compressor

Comment

For an insufficient capacity of the air compressor faulty air compressor are eligible and belt slip or the pollution of the air filter. Water in the reservoirs is not decisive.

Fault detection, localisation of faults

Chapter 2.7.02

2.7.02-001 You notice there is play on the handlebar bearing. What must you do?

2.7.02-002 When you move the handlebar, you notice that the handlebar bearing is catching in one place. What must you do?

2.7.02-003 What can play in the handlebar bearing cause?

2.7.02-004 What effect can a defective steering shock absorber have on road behaviour?

2.7.02-005 What can decisively impair road behaviour?

2.7.02-006 You notice your motorcycle has poor track-holding. What can be the cause?

2.7.02-007 Your motorcycle no longer keeps the track. What can be defective?

2.7.02-008 When you throttle down without disengaging the clutch, your motorcycle no longer keeps to the track. What can be the cause of this?

2.7.02-010 You notice that the lever travel of the hydraulic front wheel brake on your motorcycle has become considerably longer. What must you do?

2.7.02-012 The mirror holder on your motorcycle is loose. What do you do?

2.7.02-015 What can you check on your tyre?

2.7.02-016 When do you need to renew the brake pads?

2.7.02-017 Just after driving off, you test the brakes. Why?

2.7.02-019 Why does the brake fluid have to be exchanged according to the instructions of the vehicle manufacturer?

2.7.02-020 In which cases is it imperative to test the brakes?

2.7.02-021 What do you have to check the tyres on your vehicle at regular intervals for?

2.7.02-022 If tyre pressure is too high or too low, what can this cause?

2.7.02-023 You hit a tyre against a hard obstacle with force. What must you do?

2.7.02-024 What happens when you drive with a tyre pressure which is far too low?

2.7.02-025 What can be the cause of a rear light not to work?

2.7.02-026 The control light of your indicator is blinking considerably faster than usual. What can be the cause of this?

2.7.02-027 Why are you required to have a defective exhaust system repaired immediately?

2.7.02-028 The noise of the exhaust has suddenly become louder than usual. What do you do?

2.7.02-029 If the horn does not work, what can be the reason?

2.7.02-030 When braking, you note that your vehicle pulls to the right. What should you do?

2.7.02-031 What can cause an excessively large brake cylinder stroke?

2.7.02-032 What is the permissible minimum tread depth of the main tread of all your vehicle's tyres?

2.7.02-033 The brake light of your vehicle is not working. What could be the cause of this?

2.7.02-034 What must you do if the oil pressure warning light fails to switch off after starting the engine?

2.7.02-035 When it is necessary to check the braking system of your motorcycle immediately?

2.7.02-036 How do you properly perform a visual check to ensure the brake lights are working?

2.7.02-037 One of your wheels has collided heavily against a kerb. What should you note?

2.7.02-038 The tail light of your vehicle is not working. What could be the cause of this?

2.7.02-039 How can you detect that a disc brake system has worn brake pads?

2.7.02-040 Your vehicle’s brake light is not working. What is the right course of action?

2.7.02-041 The exhaust noise has suddenly become unusually loud. What is the right thing to do?

2.7.02-042 You discover a considerable amount of play on the steering head bearings of your motorbike. What is the right course of action?

2.7.02-043 How can you detect a fault in the steering head bearings of your motorbike?

2.7.02-044 How can you detect your indicator is defective?

2.7.02-045 You can see that the free travel of the lever of the hydraulic front-wheel brake has increased considerably. What do you have to do?

2.7.02-046 The tracking characteristics of your motorbike have deteriorated. What might be the cause of this?

2.7.02-047 In what road situation can a worn and therefore slippery coupling negatively affect road safety?

2.7.02-048 You are on a lengthy journey and stop to refuel. What checks should you perform on your motorbike at this time?

2.7.02-049 A display on your liquid-cooled vehicle indicates an excessively high engine temperature. What should you do now?

2.7.02-050 A display on your liquid-cooled vehicle indicates that the temperature of your coolant is excessively high. What might be the cause of this?

2.7.02-051 What can negatively affect your motorbike's stability on the road?

2.7.02-052 Your motorbike is liquid-cooled. What should you be sure you do?

2.7.02-103 The steering wheel is harder to turn than usual. What can cause this?

2.7.02-107 The brakes on your car are pulling strongly to one side. What effects can this have when you are braking?

2.7.02-109 When you press on the brake pedal, it touches the floor. Only when you press on it several times does the pedal travel become shorter. What must you do?

2.7.02-112 The brake lights do not function. What do you do?

2.7.02-113 How can you tell while driving that an indicator lamp is not working?

2.7.02-114 You are driving in the dark with dipped headlights. Oncoming traffic flash their headlights at you. What can this mean?

2.7.02-115 The glass in your left outside mirror is broken. What do you do?

2.7.02-117 The windscreen washer does not work. What can be the reason for this?

2.7.02-118 Too little water is coming out of the windscreen washer jets. What can cause this?

2.7.02-119 The windscreen wipers do not wipe clean? What can be the reason for this?

2.7.02-120 The windscreen wipers on your car do not function. What can be the cause of this?

2.7.02-121 A safety belt lock does not close. What do you do?

2.7.02-122 A safety belt does not roll up automatically. What can be the reason for this?

2.7.02-123 Your car’s steering wheel wobbles while you are driving. What can be the reason?

2.7.02-124 What can be the reason for a tyre on front axle wearing on one side more than the other?

2.7.02-125 What can cause excessive wear on tyres?

2.7.02-126 Whilst driving, your vehicle pulls to the right. What can be the reason for this?

2.7.02-127 What is the impact on your vehicle if you operate the steering wheel while stationary?

2.7.02-128 When should you arrange for the braking system of your car to be checked?

2.7.02-129 While driving, you notice that your car pulls heavily to the left when you brake. What is the right course of action?

2.7.02-130 Your vehicle is much more difficult to steer than usual. What is the right course of action?

2.7.02-131 You note that the tyres on your vehicle's front axle are showing uneven amounts of wear. What should be checked?

2.7.02-132 While driving, your vehicle pulls to the right. What is the right course of action?

2.7.02-133 When must you arrange for your car to be inspected by a garage?

2.7.02-134 The indicator light is flashing much faster than usual. What could be the cause of this?

2.7.02-135 When should you arrange for your car to be inspected in a garage?

2.7.02-136 When accelerating, you notice that the steering wheel trembles. How should you do here?

2.7.02-137 The front passenger seatbelt is defective. What must you do?

2.7.02-138 You are driving within a built-up area during darkness. Oncoming drivers are flashing their headlights as a warning to you. What might this mean in this situation?

2.7.02-139 The indicator lamp of your car’s Electronic Stability Program (ESC) is continuously illuminated. What might this indicate?

2.7.02-140 The seat belt for the front passenger in your car is faulty. What is the right behaviour?

2.7.02-202 What can cause the filling time of an air brake system to be longer than normal?

2.7.02-203 The warning device of the brake system is activated when driving. What does this mean?

2.7.02-204 What can cause the air compressor in a braking system with a multi-circuit safety valve to deliver compressed air continuously?

2.7.02-205 What faults could be a possible cause of inadequate air compressor performance?

2.7.02-208 The compressed air system has failed in a vehicle fitted with an air-assisted hydraulic braking system. Can the vehicle still be braked by means of the service brake system?

2.7.02-209 While driving a motor vehicle with air brake system, the line to a wheel brake cylinder at the front axle breaks. How can you notice this damage?

2.7.02-210 While driving a motor vehicle with air brake system, a line on the reservoir of the front axle brake circuit breaks. How can you notice this damage?

2.7.02-211 What could be the effect of a strongly leaking air bellows have on road worthiness?

2.7.02-212 When several spring leaves of a spring assembly snap, what are the effects on roadworthiness?

2.7.02-213 The brake line to a wheel brake cylinder of your motor vehicle is leaking heavily. How can you detect this issue?

2.7.02-214 What effect can damage to important axle suspension components have on road safety?

2.7.02-215 What could be the possible cause of low air compressor output?

2.7.02-216 What should you do if the engine temperature warning light illuminates while you are driving?

2.7.02-302 In a two-line braking system, what is the effect of a rupture in the emergency line to the trailer?

2.7.02-303 How can you tell whether the trailer brake valve is working (air tank filled) after the parking brake has been released?

2.7.02-304 What happens if one of the service brake circuits of a dual-circuit compressed air-braking system leaks when the vehicle is in motion?

2.7.02-305 The electric connections to your towing vehicle are interrupted. What device on the trailer is therefore rendered inoperable?

2.7.02-306 What device on the trailer will not function if the electrical connection to the towing vehicle is missing or interrupted?

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Question: 2.7.02-205

3 Points

What faults could be a possible cause of inadequate air compressor performance?

Correct answer

Comment

Fault detection, localisation of faults

Chapter 2.7.02

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