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What necessary activities should be performed by a bus driver while replacing a wheel on the road?

Leave the engine running.
Raise the vehicle with a jack to a sufficient height to create a distance between the tyre and the surface.
Release the parking brake, in order to ensure free movement of the wheel.

What necessary activities should be performed by a bus driver while replacing a wheel?

Place the jack in a place indicated by the producer.
Disconnect the battery.
After replacement, tighten the screws on the wheel with maximum force, without paying any attention to the recommended torque.

What fuel should be used in diesel engines commonly found in buses?

Heating oil.
Diesel oil meeting the relevant standards.
Diesel oil with kerosene, in all temperature conditions.

Can you add water to the cooling system of a bus engine?

Yes, but only in emergency situations and when ambient temperature is above zero.
Yes, but only when ambient temperature is below zero.
No, under no circumstances.

What will you use to dilute the concentrate, which is the main component of the cooling liquid?

Distilled water.
Highly-mineralized water.
Hydrogen peroxide.

Which sub-assemblies of the bus are lubricated with gear oil?

The engine.
The gear box.
Ball joints and CV joints.

What causes ignition in a diesel oil?

Low pressure of air compression.
Low temperature of compressed air.
High temperature of the air.

When you drive a bus, how can you identify excessive clearance of the steering mechanism?

By an increased idle movement of the steering wheel.
By excessive wearing of a tyre on one of the rear wheels.
By decreased fuel consumption.

What symptom indicates a malfunction of the power steering system in a bus?

Significantly reduced resistance of the steering wheel movement.
Drifting of the front wheels sideways while driving on a bend.
Significantly increased resistance of the steering wheel movement.

What symptoms observed while driving a bus indicates that there is excessive clearance in the universal joints of the steering system?

Difficulty in maintaining a straight trajectory of motion.
Increased resistance of the steering wheel.
Ease of maintaining a straight trajectory of motion.

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