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Vehicle mechanics and operation (Test 14)

10 questions • Permit D and D1 (English)

Vehicle mechanics and operation
1

If you drive with tire pressure noticeably lower than the one indicated by the manufacturer, what direct consequence will it have on the vehicle?

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Vehicle mechanics and operation
2

If a bus's electrical system operates at a voltage of 24 volts by means of two 12-volt batteries, how must they be connected to each other?

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Vehicle mechanics and operation
3

What is the main function of the flywheel located at one end of the crankshaft?

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Vehicle mechanics and operation
4

In what conditions must the bus be when the engine oil level is checked?

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Vehicle mechanics and operation
5

When selecting the right coolant for a vehicle's engine, must any particular characteristic be taken into account?

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Vehicle mechanics and operation
6

What type of lubricant is commonly used to protect the gears of the gearbox and of the differential bevel gear set?

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Vehicle mechanics and operation
7

What is achieved with the ABS braking device in an emergency braking situation?

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Vehicle mechanics and operation
8

In the pneumatic braking system of a bus, what main job does the unloader valve perform?

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Vehicle mechanics and operation
9

If a vehicle has two 12-volt batteries and the starter motor requires 24 volts to operate, how must they be connected to each other?

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Vehicle mechanics and operation
10

In a vehicle whose battery requires periodic maintenance, which checking and care task must be carried out?

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