Brakes
Body Construction — External
Body Construction — Interior
Service Doors, Emergency Windows, Doors, and Exits
School Vehicle Inspection Procedures
100

What must the brake system prevent in case of a single failure?

What is Total loss of braking.

100

What material must be used for the bus’s external structure?

What is Rust-resistant, fire-resistant steel or equivalent strength material.


100

What is the minimum required gauge for the school bus floor steel?

What is 14 gauge.

100

What is the minimum required opening size for the service door?

What is 24 inches wide and 68 inches high.

100

How often must a Type A inspection be completed and certified for a school vehicle?

What is Once every 12 months.


200

What warning is required for vacuum-assisted brakes? 

What is Audible and visible warning below 8 inHg vacuum.


200

What is the maximum legal length of a school vehicle?

What is 40 feet.


200

What is the minimum inside body height of the bus?

What is 72 inches.

200

Where must the emergency door be located if a rear door is not possible due to engine placement?

What is On the left side of the rear half of the bus.

200

How many times per year must a Type B inspection be performed on a school vehicle?

What is Two times per year.


300

What must the parking brake hold on?

What is A 20% grade under legal load.


300

What is the minimum required gauge and width for side strainers?

What is 16 gauge and 3 inches wide.

300

How must exposed interior edges be treated for safety?

What is Beaded, hemmed, or flanged.

300

What audible feature must activate when an emergency door is unlatched while the engine is running?

What is A distinctive audible signal in the operator’s compartment.


300

What action must be taken if a major defect is found during an inspection and cannot be immediately corrected?

What is The MVA agent issues a repair order, suspends registration, and confiscates the plates.

400

What protects air brakes from overpressure?

What is A safety valve.

400

How must rub rails be attached to the bus body?

What is At each body post and upright structural member, outside the body.

400

What type of ventilator is required in the bus roof?

What is A Non closable static exhaust roof ventilator.

400

How must side emergency windows be labeled?

What is “EMERGENCY EXIT” in letters at least 2 inches high on both the inside and outside.

400

What happens if minor defects are not corrected and certified within 30 days of inspection?

What is The school vehicle’s registration will be suspended.

500

How must brake lines be installed?

What is Protected and free from chafing or stretching.

500

What must the shear strength of structural joints be compared to the parent metal?

What is At least 60% of the yield point strength of the thinnest member.


500

What type of clamp must be used for body hold-downs?

What is Positive clamp (not spring type).

500

What emergency exit must be adjustable and include both interior and exterior release handles?

What is The roof vent/emergency exit.

500

Who must perform the annual inspection for Head Start vehicles?

What is An inspection mechanic at an authorized Maryland State Inspection facility.