Unit C-1: Preventive Maintenance

The “Preventive Maintenance” section of the Manitoba School Bus Knowledge Test emphasizes the importance of regular inspections and maintenance to ensure the safety and reliability of school buses.

Manitoba School Bus Test - Unit C-1: Preventive Maintenance

1 / 30

What is the purpose of properly adjusted interior rear-view mirrors?

To eliminate blind spots on the sides of the bus

To provide a good view of passengers and the area directly behind the driver

To monitor traffic two lanes over

To show only the rear emergency exit door

2 / 30

What should the fender-mounted crossover (convex) mirrors allow you to see?

Only the oncoming traffic lane

Only the rear wheels and bumper

Only the roof of the bus

The area in front of the bus immediately ahead of the bumper, both sides of the front wheels, and the service door area

3 / 30

Why is it especially important to sweep the bus immediately after the route in winter months?

To keep the driver warm

To improve fuel efficiency

To remove melted snow and moisture

To prevent the doors from freezing shut

4 / 30

Who is responsible for ensuring every school bus has an inspection log book and that it is completed?

The students’ parents

The local police department

Every school division

The individual driver alone

5 / 30

What is a key safety rule when checking coolant in the radiator?

Check coolant level while the engine is at full operating temperature

Always remove the radiator cap immediately after shutdown

Loosen the cap slightly while the engine is hot to release pressure

Only check or add coolant when the engine is cool

6 / 30

Where should the engine oil level be maintained on the dipstick?

Only at the very top of the dipstick

Above the “Full” mark to ensure enough oil

Within the crosshatch marks or between “Add” and “Full”

Anywhere on the dipstick as long as oil is visible

7 / 30

From a safety standpoint, why should the outside of the bus (including decals) be kept clean?

It lowers maintenance costs

It reduces tire wear

It keeps the engine cooler

A clean yellow bus is more visible to other motorists

8 / 30

What is the primary purpose of the school bus inspection log book?

To ensure communication of inspections, defects, and repairs between the driver and service technician

To track student attendance on the bus

To monitor fuel consumption

To record bus routes and times

9 / 30

What is the main safety reason for the driver to always wear the seat belt?

To save fuel

To comply with student expectations

To keep the warning buzzer from sounding

To prevent being thrown from the seat and maintain control of the vehicle in a skid or swerve

10 / 30

School buses manufactured after March 1998 are equipped with which mirror systems?

Rear-only mirror systems

System “C” mirrors only

System “A” and System “B” mirrors

Roof-mounted mirror systems

11 / 30

What should the outside rear-view mirrors provide?

A view primarily of the sky and roofline

A view only of the service door side

A view beyond the right and left rear of the bus

A view only of the rear wheels

12 / 30

Why must all windows and mirrors be kept clean?

To reduce interior noise

To make the bus look newer

To provide maximum visibility

To improve fuel economy

13 / 30

What should you check the windshield and side windows for in the driver’s compartment?

Cracks only

The presence of stickers

Tint color and decorations

Obstructions and cleanliness

14 / 30

When should the driver check seat condition for damage or vandalism?

Only at the end of the school year

Only if a student reports damage

Only during annual inspections

Each time the bus is unloaded

15 / 30

How do engine manufacturers recommend getting the most accurate oil level reading?

Check at operating temperature after a 15-minute shutdown

Check while the engine is idling

Check immediately after shutting off the hot engine

Check only when the engine is completely cold

16 / 30

As of 2008, what piece of equipment must be within reach of the driver when seated and secured?

A portable radio

A fire hose

A spare tire

A seat belt cutter

17 / 30

What should you carry with you during the walk-around inspection to help with visibility-related checks?

A flashlight

A screwdriver

A cloth

A broom

18 / 30

What should a driver report when describing a defect?

Only what they see

What they see, hear, smell, and feel

Only what they smell

Only what they hear

19 / 30

Where should you begin the outside-the-bus (walk-around) inspection?

At the driver’s door

At the right front corner of the bus

At the rear of the bus

At the left front corner of the bus

20 / 30

What might rust streaks or shiny/blackened areas around wheel lugs indicate?

Lug nut looseness

Suspension misalignment

Brake failure

Tire under-inflation

21 / 30

When must defects that interfere with safe operation be repaired?

Only if the driver insists

Before the vehicle is used to transport students

Only during scheduled annual inspections

At the end of the school year

22 / 30

What is the correct practice regarding the driver’s lap and shoulder belt?

It is required only when students are on board

It is used only in emergency situations

It must be worn at all times while driving

It is optional on dry roads

23 / 30

How often should tire pressure be checked with a gauge?

Every two weeks

Weekly

Daily

Monthly

24 / 30

Why must school bus drivers learn the “safe” cold oil level for their bus?

To prevent over-filling the engine crankcase

So they can skip checking oil after shutdown

To allow operation with a lower-than-normal oil level

To avoid having to check the oil when the engine is warm

25 / 30

How should the driver’s seat height be adjusted?

To allow easy reach of the accelerator and brake pedal

To keep your feet flat on the floor at all times

To align your eyes with the top of the windshield

To ensure your knees are locked straight

26 / 30

When positioning yourself in the driver’s seat, what is the primary goal?

To sit low to avoid glare

To be as far away from the windshield as possible

To reach and operate all controls comfortably and see all areas around the bus

To sit as high as possible above the steering wheel

27 / 30

Which daily task is required to maintain bus cleanliness and student health?

Clean the inside of the bus every day

Clean the bus once a week

Clean the bus only when it looks dirty

Clean the bus only after field trips

28 / 30

How can you quickly check for under-inflation during the walk-around?

By measuring tread depth only

By pouring water over the tire

By bumping the tire with a hammer or tool provided

By spinning the wheel by hand

29 / 30

When should the engine oil level be checked for a school bus?

Daily, with the vehicle parked level and engine cool

Only once a week, regardless of vehicle position

Only when the oil warning light comes on

Only during scheduled mechanic inspections

30 / 30

Who is in the best position to evaluate the condition of a school bus and report defects?

The driver of the school bus

The mechanic only

The school principal

The parents of students

Your score is

Drivers are expected to understand and perform daily pre-trip checks, including inspection of brakes, tires, lights, and emergency equipment. The section highlights how identifying and addressing potential mechanical issues before they develop into serious problems can reduce the risk of breakdowns and accidents. Knowledge of proper maintenance schedules, report procedures, and the ability to recognize warning signs are crucial for all school bus operators, ensuring both student safety and vehicle longevity on Manitoba roads.