Section 2 - Driving Safely Flashcards
What is the most important reason to inspect your vehicle?
Safety. Safety for yourself and for other road users.
(2.1.1 - Why Inspect)
What can federal and state inspectors do if they judge the vehicle to be unsafe?
The can put it “out of service” until it is fixed.
(2.1.1 - Why Inspect)
List 6 critical items should you check when you stop?
- Tires, wheels, and rims.
- Brakes.
- Lights and reflectors.
- Brake and electrical connections to trailer.
- Trailer coupling devices.
- Cargo securement devices.
(2.1.2 - Types of Vehicle Inspection)
How can you inspect your vehicle during a trip?
- Watch gauges for signs of trouble.
- Use your senses to check for problems (look, listen, smell, feel).
(2.1.2 - Types of Vehicle Inspection)
True or False:
You should do an after-trip inspection at the end of the trip, day, or tour of duty on each vehicle you operated.
True
(2.1.2 - Types of Vehicle Inspection)
What is the tread depth minimum requirement for every major groove on front tires?
4/32”
(2.1.3 – What to Look For)
What tread depth should be on all tires except front tires?
2/32”
(2.1.3 – What to Look For)
True or False:
It’s acceptable for fabric to show through the tread or sidewall of tires.
False.
(2.1.3 – What to Look For)
List 9 examples of tire problems.
- Too much or too little air pressure.
- Bad tread wear.
- Cuts or other damage.
- Tread separation.
- Dual tires that come in contact with each other or parts of the vehicle.
- Mismatched sizes.
- Radial and bias-ply tires used together.
- Cut or cracked valve stems.
- Re-grooved, recapped, or retreaded tires on the front wheels of a bus are prohibited.
(2.1.3 – What to Look For)
List 5 examples of wheel and rim problems.
- Damaged rims.
- Rust around wheel nuts may mean the nuts are loose (check tightness)
- Missing clamps, spacers, studs, or lugs means danger.
- Mismatched, bent, or cracked lock rings are dangerous.
- Wheels or rims that have had welding repairs are not safe.
(2.1.3 – What to Look For)
List 3 examples of bad brake drums or shoes.
- Cracked drums.
- Shoes or pads with oil, grease, or brake fluid on them.
- Shoes worn dangerously thin, missing, or broken.
(2.1.3 – What to Look For)
List 4 examples of steering system defects.
- Missing nuts, bolts, cotter keys, or other parts.
- Bent, loose, or broken parts (such as steering column, steering gear box, or tie rods)
- If power steering equipped, check hoses, pumps, and fluid level. Check for leaks.
- Steering wheel play of more than 10 degrees
(2.1.3 – What to Look For)
Why are broken suspension parts extremely dangerous?
- The suspension system holds up the vehicle and its load.
- It keeps the axles in place.
(2.1.3 - What to Look For)
What is something suspension related that will put the vehicle “out of service”?
Missing or broken leaves in any leaf spring. If 1/4 or more are missing, it will put the vehicle “out of service”, but any defect could be dangerous.
(2.1.3 - What to Look For)
Cracked, damages, or missing torque rod or arm, u-bolts, springs hangers, or other axle positions parts are examples of what?
Leaking shock absorbers
(2.1.3 - What to Look For)
What should you look for when inspecting air suspension systems?
- Any loose, cracked, broken, or missing frame members.
(2.1.3 - What to Look For)
Why should you inspect the exhaust system?
Because a broken exhaust system can let poison fumes into the cab or sleeper berth.
(2.1.3 - What to Look For)