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85 Cards in this Set
- Front
- Back
You're loading a cargo tank equipped with bulkheads. When you load the smaller tanks, you should check your? |
A) Weight distribution. |
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Driving a truck with a set of double or triple trailer requires the driver to? |
A lot more following distance than for smaller vehicles. |
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Which of these statements is true about tank vehicles? |
The effects of liquid surge will pull the tank from the truck. |
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Which of these statements is true about tank vehicles? |
The posted speed for a curve maybe too fast for a tank vehicle. |
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Liquid surge: |
Can affect the handling of your truck. |
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If you're driving a tanker and need to steer quickly to avoid a hazard you? |
Should not apply the brakes while turning. |
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Tankers carying liquids should drive through curves? |
Well below the posted speed. |
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Which of these statements is true about emergency steering? |
A move to the right may still be best if you have traffic on both sides of your vehicle. |
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With the hand velvet on, you should test the trailer brakes by opening the service line valve @ the rear of the rig. When you do this, you should here: |
Air escape from the open valve. |
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When you drive a set of doubles or triple trailers, you need more space because they: |
Can't stopped or turn quickly. |
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An emergency forces you to stop your tanker quickly or crash. You should: |
Use controlled or stab braking. |
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A full tank of dense liquids (such as some acids): |
May often exceed legal weight limits. |
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How does liquid surge affect the handling of a tanker? |
It moves the truck in the direction of the liquid waves. |
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On all tank vehicles, it is most important to check: |
For leaks in the tank. |
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You cannot avoid driving through deep or flowing water. you should not: |
Drive-thru quickly and for a short distance after coming out of the water. |
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You can release the dolly brakes by: |
Opening the air tank petcock. |
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To check that the converter dolly is security coupled to the rear trailer, you should: |
Pull gently against the pin of the second semi trailer. |
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Two uncouple the rear trailer in a set of doubles, the shut-off valve at the rear of the front trailer should be: |
Closed. |
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You're inspecting a double or triple trailer You should be sure the converter Dolly air tank drain valves are ______ and the pintle hook is ____? |
Closed; latched |
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Converter dollies are used to connect: |
A tractor- trailer combination to another trailer. |
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Some large trucks have convex or "spot" mirrors. These mirrors: |
Make things look smaller and farther away than they really are. |
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A converter dolly is still under the second trailer when you unlock the pintle hook. What is likely to happen? |
The dolly tow bar may fly up. |
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Which of these actions will result in the best control on a curve? |
Slow to a safe speed before entering the curve, then accelerate slightly through it. |
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A traffic emergency requires you to leave the road and escape to the shoulder. If possible, slow down to ____ mph before using your brakes. |
20 |
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Transporting liquids and tankers require special care for two reasons. One reason is the ____ center of gravity. |
High. |
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When inspecting pipes, connections, and hoses for leaks, pay special attention to: |
Joints. |
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Vehicle skids are often caused by: |
Driving too fast for conditions. |
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The best way to drive through a curve is to slow to a safe speed before entering the curve and then ___ as you go through. |
Accelerates slightly. |
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You're driving a tank vehicle and you must stop quickly to avoid a crash. You should: |
Use controlled or stop breaking. |
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By definition, a tank vehicle is a commercial vehicle that can carry a portable tank of ____ gallons or more. |
1000 |
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During normal operation, the brakes on a set of double or triple trailers are controlled by the: |
Foot pedal. |
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Which of these statements is true about seeing ahead? |
Good driver shift their attention back and forth, near and far. |
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You wish to turn right from a two-lane, two-way street into another. The truck and trailer combination is too long to turn without swinging wide. Which figure shows how you should make the turn? |
Figure B |
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For a coupled double or triple trailers, the converter Dolly shut off valve should be: |
Open |
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The converter Dolly air tank drain valve on couple double and triple trailer should be: |
Closed |
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I'm driving a truck with more than one trailer, which trailer should be first behind the tractor? |
The heaviest. |
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You're driving a set of doubles and your trailer wheel starts to skid. The following is most likely to occur? |
The trailer will jackknife. |
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If an oncoming vehicle drifts into your lane, you should: |
Move to your right |
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You're driving on a clear night and using your low beam headlights. If your headlights let you see about 250 ft ahead of you, you should adjust your speed so you can stop in ____ feet. |
250 |
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The amount of liquid you can load into a tank depends on the: |
Weight of the liquid. |
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Transporting liquids in tank vehicles require special care for two reasons. One reason is: |
Liquide surge. |
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Except when you are loading or unloading a cargo tank, a liquid discharge valve should always be: |
Closed. |
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Before loading, unloading, or driving a tanker, the first thing you should do is: |
Inspect the vehicle. |
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Forward to back serge can: |
Shove the truck into an intersection. |
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When you drive cargo tank vehicles, you must inspect the cargo within the first ____ miles of a trip. |
25 |
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You're driving a tank vehicle, If you steer quickly while breaking you: |
May cause the vehicle to roll over. |
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Baffles in liquid cargo tanks usually do not prevent ____ surge. |
Side-by-side. |
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How can you be sure you supplied air to a second trailer? |
Go to the rear of the second trailer and open the emergency line shut-off. |
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Which of these statements is true about managing space on the sides of your vehicle? |
Avoid traveling next to others when possible. |
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If you want to couple a second trailer to your combination vehicle secure it by using the: |
Trailer emergency air brakes. |
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Before you can supply air to the air tanks of a second trailer you need to: |
Open the shut-off valves at the rear of the first trailer and close the shut off valves at the rear the second trailer. |
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The best way to stop any skid is to: |
Restore traction to the tires. |
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You're driving on a slippery Road during the day. What is the commercial driver handbook say about how much space you should keep ahead of your truck? |
Allow "much more space" than is needed for ideal driving conditions. |
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Which of these statements is true about quick steering movements with the set of doubles or triples? |
A set of doubles or triples turns over more easily than other vehicle combinations. |
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When your Vehicle goes into a front wheel skid, you: |
You've been driving too fast for conditions. |
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The bulkheads in balled liquid tanks: |
Have holes in them to allow the liquid to flow freely. |
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Smooth bore tanks: |
Have no baffles in them to slow down the liquid surge. |
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Which of these statements is true? |
A set of doubles or triples must be driven very smoothly to avoid a roll over or a jackknife. |
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You want to lock your tractor trailer combination to a second trailer that has no spring breaks. To do this without wheel chocks you should: |
Charge the trailer air tank and then disconnect the emergency line. |
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When I'm coupling the rear semi trailer, you should lower the converter Dolly landing gear: |
Enough to remove some of the weight from the dolly. |
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Which of these statements is true about emergency steering and tankers? |
When making a quick steering movement, do not apply the brakes. |
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Which of these statements is true about speed management and braking? |
You need about four times as much stopping distance at 40 mph as you need at 20 mph. |
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Which of these statements is true about emergency steering? |
A moved to your right maybe best, if an oncoming driver drifts into your lane. |
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Which of these statements is true about stopping distances and speed? |
Wet roads can double stopping distances at any speed. |
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Which of these statements is true? |
You should never load the cargo tank totally full. |
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Check trailer height before connecting a converter Dolly to a second or third trailer. The trailer height is correct when the: |
It will be raised slightly when the converter dolly is backed under it. |
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Which of these statements is true about checking your mirrors? |
Use the mirrors to look for tire fires. |
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I'm testing the coupling of double trailers, the landing gear of the rear trailer should be: |
Slightly raised. |
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Which of the following is the correct position for shut off valves for a set of double or triples? |
Open for the rear of the front trailers and closed for the rear of the last trailer. |
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I safe driving speed on a curve for a normal tractor trailer: |
Maybe too fast for a set of double or triples. |
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You're driving a 100 ft twin trailer combination at 50 mph. The road is dry and visibility is good. You should keep at least _____ seconds of space ahead of your vehicle. |
11 |
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Which of the following is the best way to drive through a curve? |
Slow to save speed before entering, then accelerate slightly through it. |
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You should know the outage amounts for the liquids you carry because: |
Some liquids expand more than others when they get warm. |
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Transporting liquids in a tank with baffles can still have what kind of surge? |
Side-to-side |
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Generally, empty trucks: |
Require greater stopping distances than full ones. |
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What is liquid surge do to the handling of a tanker? |
It moves the truck in the direction of the liquid waves. |
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If your drive Wheels begin to skid when you are towing a tank trailer: |
Your vehicle made jackknife. |
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Portable tanks: |
Are not permanently attached to the truck. |
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When you inspect a set of couple doubles or triples, make sure the panel hooks are: |
Latched. |
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You're driving with a set of double trailers. You need to use your brakes to avoid a crash. For emergency breaking you should use: |
Controlled or stab breaking. |
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A converter Dolly has: |
A separate Air supply tank. |
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Placards must be: |
Placed on all four sides of a vehicle. |
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Side to side serge can cause: |
A rollover. |
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Which of these statements is true? |
When you have a set of doubles or triples, be sure the pintle-eye of the dolly is in the proper place. |
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Empty or lightly loaded trucks: |
Have poor traction due to bouncing and will lock up. |