General Knowledge
Do this everyday for your safety and the safety of others and spot worn parts before they fail.
What is a pre-trip inspection?
You should do this daily to keep water out of the air system and prevent ice from forming in your brake valves.
What is drain air tanks?
Keeping your loads center of gravity as close to grounds as possible and taking turns slow prevent this
What are rollovers?
Required when you are hauling a liquid or gas in a cargo tank that is rated for 119gallons or more or in a portable tank that is rated for 1,000gallons or more.
Why is a tanker endorsement?
Shippers use these and placards to be able to easily identify hazardous materials.
What are shipping labels?
Steering shaft, power steering gear box, pitman arm, draglink, spindle etc.
What are Key steering system components?
Brakes held back by mechanical force that automatically apply in the absence of air pressure.
What are Spring brakes?
You trailer wheels taking a separate path than the tractor wheels
What is offtracking?
A cargo tank that does not contain baffles. Often used to transport food grade liquids for sanitary purposes.
What are Smooth bore tanks?
The hazard class and division, the amount being shipped, and the hazard class and division for all hazard classes being transported.
What are three thing you need to know to correctly placard your vehicle?
Pump the brake three times and hold for five seconds the pedal should stay firm.
How to test Hydraulic brakes for leaks?
This MUST happen before the pressure drops below 55psi
When will the emergency warning light and buzzer will come on?
Control or signal lines are the less common names.
What is the service line?
Separates cargo tanks into sever smaller tanks
What are bulkheads?
Placards are required if any amount being shipped if they are found here.
What is Placard table 1?
Road speed (mph) and Engine speed (rpm) are two ways to know.
What are two ways to know when to shift?
On older trucks this has two options, slippery, or normal. When it is set to normal it is good for all conditions.
What is a front wheel limiting valve?
These trailers are much easier to get hung up on highway-railroad crossings.
What are low slung trailers or possum belly?
The amount a liquid will expand if it exposed to heat.
What is outage?
In the pouch of the drivers door, within immediate reach with the seatbelt fastened, and on the seat when not in the vehicle.
Where is the proper place to keep shipping papers describing hazardous materials?
451feet if traveling 55 mph
How long it takes to stop?
Two separate brake system controlled by a single set of controls
What is the Dual air brake system?
This is used to keep to much air from escaping your tractor, in the event of a trailer break away it will close. It can also be tested by pumping your breaks until the air pressure reaches 40psi to 20psi.
What is the tractor protection valve?
High center of gravity and this is why driving tank vehicles requires special skills and knowledge.
What is liquid movement and surge?
This hazard class uses a transport index that tells you how much you are allowed to carry and how close to other cargo it can be shipped. It must not exceed a transport index of 50.
What is class 7 radioactive materials?