Unit C-3: Preventive Maintenance

The free Manitoba School Bus Driver Practice Test features a crucial section on “Preventive Maintenance.” This part helps aspiring drivers understand the importance of regular inspections and proactive care for school buses.

Manitoba School Bus Test - Unit C-3: Preventive Maintenance

1 / 30

To comply with the law, what condition must every regulated vehicle meet before being driven or towed on a highway?

It must be washed daily

It must have been found to be in safe operating condition

It must be less than five years old

It must be painted yellow

2 / 30

What is recommended for extended rear axle differential life?

Always accelerate as hard as possible

Avoid spinning the rear wheels on slippery surfaces

Frequently downshift at high speeds

Use the parking brake to assist in stopping

3 / 30

Which of the following is required of a school bus driver under Section 15?

Keep students quiet at all times

Determine the safe condition of the school bus by daily inspection

Only drive during daylight hours

Wash the bus every day

4 / 30

What should automatic transmissions NOT do during normal operation?

Slip or produce harsh, jerky shifts

Remain in gear while driving

Downshift on grades

Change gears smoothly

5 / 30

Why should you not remove the radiator cap of an overheated engine?

It will void the bus warranty

It will cause the temperature gauge to fail

It will permanently damage the radiator cap

Steam and hot coolant could injure you

6 / 30

What interior check must be done before securing the bus after a trip?

Check for sleeping students and damage needing repair

Disconnect the interior lighting system

Remove all seat belts from the seats

Turn all seats to the folded position

7 / 30

Before driving a bus with an automatic transmission for the first time, what should the driver do?

Disable any automatic shifting features

Consult the owner’s manual for recommended procedures

Test the transmission by rapid shifting on the road

Adjust the transmission fluid level without guidance

8 / 30

What must you avoid doing to the windshield wiper arms during cleaning?

Manually operating (moving) the wiper arm

Turning on the ignition

Cleaning the blades with a cloth

Using washer fluid

9 / 30

What may a loose alternator belt cause?

Battery to lose power and lights not to operate properly

Cooler engine operation

Improved fuel efficiency

Better alternator performance

10 / 30

What must a school bus driver have to operate a school bus vehicle?

A special permit from parents

A teaching certificate

A first-aid certificate only

A valid driver’s licence to operate a school bus vehicle

11 / 30

How should service brakes be checked before reaching the roadway?

At low speed, bring the bus to a smooth, straight, complete stop

Only by checking the brake fluid level

Only by listening for squeals while parked

At highway speed, brake hard to test stopping distance

12 / 30

What should you do if you suspect loose lug nuts on a wheel?

Ignore it if the bus drives normally

Tighten them fully by yourself and continue

Check with the wheel wrench and report to maintenance

Mark them and check again next week

13 / 30

What does an ammeter showing discharge after the engine is running indicate?

Normal operation

That the fuel tank is nearly empty

A problem in the charging system that must be reported

That the engine is still cold

14 / 30

What is a normal voltmeter reading with the engine running?

5 to 6 volts

8 to 9 volts

18 to 20 volts

13 to 14 volts

15 / 30

While the bus is moving straight ahead, which system is being checked when the driver notes any unusual conditions or noises while turning the wheel?

Heating system

Fuel system

Door mechanism

Steering mechanism

16 / 30

What does the ammeter gauge indicate?

The engine oil level

The amount of fuel remaining

The coolant mixture ratio

Whether the alternator is charging

17 / 30

How often should you check tire pressure on dual rear wheels with a gauge?

Every six months

Only before long trips

Only when they look low

Weekly

18 / 30

When monitoring the engine while driving, what should the driver do?

Shut the engine off at every red light

Ignore gauges if the bus seems to run normally

Only check the fuel gauge

Check gauges periodically and listen for unusual engine noise

19 / 30

When inspecting the left front wheel area, which components should be visually checked in addition to rim, lugs, and tire?

Only the shock absorber

Steering box, linkage, and left front spring

Only the wheel hub cap

Only the brake drums

20 / 30

When a non–safety-related defect is identified, what should occur?

The students must be informed directly

The bus must be immediately removed from service

The driver may ignore it until it becomes serious

The defect is recorded and reported according to local policy

21 / 30

How should you check the crossover mirror bracket at the front corners of the bus?

Simply look at it from a distance

Check it only from inside the bus

Take hold of it to ensure it is securely anchored

Tap it lightly with a hammer

22 / 30

What is a normal battery voltage reading with the key in the “On” position (engine off)?

Approximately 12.5 volts

Approximately 15.0 volts

Approximately 6.0 volts

Approximately 9.0 volts

23 / 30

After arriving at the parking area, what is one of the driver’s responsibilities related to fuel?

Leave the fuel level below reserve to reduce weight

Completely empty the fuel tank

Ensure the vehicle has adequate fuel for the next trip

Add fuel only if the tank is almost empty

24 / 30

What should be ensured when inspecting the bus batteries in the battery compartment?

Batteries are disconnected when not driving

Batteries are loose to allow vibration movement

Cables are greased heavily and left slightly loose

Cables are clean and tight, and batteries are secure

25 / 30

When checking steering lash on a non-tilt hood vehicle, how can front wheel movement be observed?

By extending your head through the driver’s side window to view the left front wheel

By guessing based on feel alone

By relying only on the steering wheel’s position marks

By opening the hood and watching while driving slowly

26 / 30

What conditions should a serpentine (wide flat) belt be checked for?

Only its colour and manufacturer brand

Only tension, not surface condition

Looseness, fraying, cracks, alignment, and foreign material

Only whether it squeals when starting

27 / 30

What can occur if brakes are used excessively on a long downgrade?

Cooler brake temperatures

Brake fade

Improved brake responsiveness

Increased fuel economy

28 / 30

Which of the following may indicate suspension problems?

Bus sagging at one end or corner, excessive bouncing, bottoming out

Quiet engine operation

Low fuel consumption

Clean windows and mirrors

29 / 30

What is the required level for power steering fluid?

It can be anywhere between “add” and “full”

It is not critical as long as some fluid is present

It must be maintained at the “full” level

It should be kept slightly below “add”

30 / 30

According to the requirements, who must be the person driving the bus?

The same person who inspected the bus and signed the log book

Any person approved by the principal

Any adult employee of the school

Any licensed driver in the school division

Your score is

The practice questions cover daily pre-trip inspections, checking crucial systems like brakes, tires, lights, and emergency exits, and recognizing early warning signs of mechanical issues. Emphasis is placed on adhering to maintenance schedules and proper reporting procedures to ensure that any problems are addressed promptly. By mastering this section, drivers increase safety for themselves and their passengers, extend the lifespan of the bus, and make Manitoba roads safer for everyone.