Hazmat Tanker
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Liquid surge is caused by:
movement of the liquid product in the cargo tank
Knowing the outage needed for the liquids is important because:
some liquids expand more than others when they get warm
What will liquid surge do to the handling of a tank vehicle?
it can move the vehicle in the same direction the liquid moves
When your cargo tank has bulkheads, what difference in handling can you expect?
there will be less front to back surge than for a smooth bore
Knowing your center of gravity is important when hauling liquids. It is best to keep the center of gravity:
low
Surge is generally:
front to back and side to side
How would you expect a truck with a baffled cargo tank to handle on the road?
there will be less front-to-back surge than there is in tankers without baffles
When loading a cargo tank with liquid, you must consider which of the following?
the legal weight limits in the states in which you will be driving, the amount the liquid will expand during transit, the weight of the liquid
You are driving a truck and the front wheels begin to skid. Which of these is most likely to occur?
you will continue in a straight line and keep moving forward no matter how much you steer.
A liquid tank with baffles can still have what kind of surge?
side to side
You are driving a loaded tank vehicle and are exiting a highway using an off-ramp that curves downhill. You should:
slow down to a safe speed before the turn
A smooth bore tank which is loaded to 50% capacity will:
have more surge
A smooth bore tank will:
have more surge than a baffled tank
You need to be extremely cautious when driving smooth bore tankers. This is especially true when you are:
starting or stopping
Which of the following is important to remember in an emergency?
heavy vehicles can almost always turn more quickly than they can stop
When you unload the smaller tanks of a tank with bulkheads, be careful to check your:
weight distribution
Which fires can you use water to put out?
Tire fires
Which of these statements about emergency steering and tankers is true?
when making a quick steering movement, do not apply the brakes
Which of these is a good rule to follow when using a fire extinguisher?
stay upwind of the fire, and aim at the base of the fire
Most tankers have a high center of gravity. Which of the following is important to remember when pulling a liquid or dry bulk tanker?
tankers can roll over at the speed limits posted for curves, most tankers have a high center of gravity, curves, exit and entrance ramps have speed limits which are safe for cars, but may be to fast for tankers
Which of these can cause a vehicle to skid?
oversteering, overbraking, overacceleration
You are driving a tank vehicle and you must stop quickly to avoid a crash. You should:
use control or stab braking
You should know the outage needed for the liquids you carry because:
some liquids expand more than others when they get warm
Side-to-side surge can cause:
rollover
When should tanker drivers who have lost their brakes use truck escape ramps?
always
There are two lists that drivers, shippers, and carriers use to find out if a material is a regulated product. Which of the following is one of them?
List of Hazardous Substances and Reportable Quantities
A vehicle placarded for hazardous materials is required to have placards on how many sides of the vehicle?
4
A hazard class name or ID number must not be used to describe a:
non-hazardous material
The intention of the Hazardous Materials regulations are to ensure safe drivers and equipment, to communicate the risk, and?
to contain the material
If an X or an RQ is written or typed into the HM column of a shipping paper entry, the:
Shipment is regulated by hazardous material regulations
Who do the regulations say is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?
Shipper
A power unit of a placarded vehicle is required to have a fire extinguisher with a UL rating of _____ B:C or more.
10
You may not park a vehicle carrying hazardous materials within how many feet of an open fire?
300
Which emergency equipment may be used to warn of a stopped vehicle which contains explosives?
reflective triangles
The description of a hazardous product must include the hazard class, the identification number, and its proper shipping name. Which is required to be listed first on the shipping papers?
the proper shipping name
When shippers package hazardous materials, they must certify that this was done according to the regulations. The one exception to the rule is when:
the shipper is a private carrier carrying their own product
When you are transporting chlorine in cargo tanks, you must have:
An approved gas mask, an emergency kit for controlling leaks in fittings on the dome cover plate
Carriers are required to give each driver who transports Class A or B explosives:
a copy of FMCSR part 397
When you are handling packages of explosives, you must:
never use hooks or other metal tools
If the word "Forbidden" appears in the hazard class column of a Hazardous Materials table entry:
you must never transport the product
What is the largest allowable total transport index of all packages in a single vehicle allowed to be
50
You are hauling 2000 pounds of a corrosive. You may park within ______ feet of the road if your work requires it and it is for a very short period of time.
5
If you are hauling hazardous materials and you discover that one of your tires is leaking. You must:
stop at the nearest safe place and fix it
You should stop before crossing a railroad grade if your vehicle is carrying how many gallons of chlorine?
any amount
Animal and human foodstuffs must not be loaded in the same vehicle with
poisons
When fueling a placarded vehicle, someone must always be:
at the nozzle, controlling the fuel flow
Who do the regulations say is responsible for checking that the shipper correctly named, labeled, and marked a hazardous material shipment?
Carrier
While transporting hazardous material you stop to eat lunch at a truck stop. While you are in the truck stop, the shipping papers must be placed on the drivers seat or:
in the driver's door pouch
During an enroute inspection, you discover an overheated tire. If you are hauling hazardous materials, you must
remove the tire and place it a safe distance from the vehicle
When hauling hazardous materials, you must stop your vehicle and check any dual tires at least once every ___. Whichever is less.
2 hours or 100 miles
During a hazardous materials emergency, you must use every available means to
keep people away, prevent smoking and keep open flame away, warn others of the danger
If you are transporting Explosives A you must not
transport them in vehicle combinations if there is a placarded cargo tank in the combination
If hazardous material is leaking from your vehicle, you must not move your vehicle:
any more than safety requires
The transport index of a radioactive material, tells you:
tells the degree of control needed during transportation
Only one of these shipping paper descriptions for a hazardous material is in the correct order. Select the correct one.
Hydrogen Bromide, non-flammable gas, UN 1048
A "W" in the first column of the Hazardous Materials Table indicates:
the entry applies to water shipments that are not a RQ
You may not smoke around any vehicle being loaded or unloaded with:
flammables, oxidizers, explosives
If a vehicle carrying explosives crashes with another object, you must not separate the vehicle from the other object until:
someone has removed the explosives and placed them at least 200 feet away
Before loading or unloading any explosive, you must check the cargo space for:
a cargo heater that could start, sharp points that might damage the cargo, loose floor boards or plates
A liquid poison is spilling from your vehicle. If it can be done, safely, how should you channel the liquid?
away from streams or sewers
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