Passing the written portion of the CDL Test is not very difficult if you have the proper training materials. Below you will find links to a number of different free online CDL practice tests, along with other training materials to help you prepare for truck driving school or company-sponsored CDL training. To help you prepare for your CDL training, we also have:
1. When the tanks are partially filled, the movement of the liquid is called...
A. Surging
B. Waves
C. Splashing
D. Rocking
2. Hauling tank vehicles requires special skills because...
A. The center of gravity is higher
B. The vehicle is top heavy
C. The load's weight is high up off the road
D. All of the above
3. Dividers inside tankers that have openings at the top and bottom are called...
A. bulkheads
B. baffles
C. waffles
D. barriers
4. Baffles in a tanker...
A. make the tanker easier to clean out
B. control forward and backward liquid surge
C. allow you to haul mixed loads
D. eliminate side to side surge
5. The driver should pay particular attention to the _________ on smaller tanks.
A. Higher center of gravity
B. Weight distribution
C. Level of fluid
D. All of the above
6. A tank trailer with baffles helps to control...
A. Side to side flow
B. Weight distribution
C. Movement from front to back
D. Total vehicle weight
7. The reason a tank trailer should not be loaded completely full is because...
A. Your load may shift more
B. The baffles won't be as effective
C. Liquid expands and can leak out of the trailer
D. The movement is stronger
8. A tank vehicle is defined as a vehicle which transports...
A. Liquid
B. Liquified gas
C. Bulk fertilizer
D. Both A and B above
9. When a bulk tank vehicle is stopping at an intersection which has a slippery surface...
A. The truck could slide into oncoming traffic
B. The liquid movement could push the truck into the intersection
C. The liquid could leak onto the roadway
D. The truck could slide sideways due to rocking
10. Retest markings...
A. must be stamped on the tank itself
B. give the date of the last retest
C. show what type of test or inspection was performed
D. all of the above
11. Hauling liquids in tankers requires special care for two reasons. One reason is the ____ center of gravity that tankers have.
A. Wide
B. Flat
C. Low
D. High
12. You need to be extremely cautious when driving smooth bore tankers. This is especially true when you are:
A. Loading or unloading
B. Starting or stopping
C. Hauling milk or other food products
D. All of the above
13. The best way to take a curve with a tanker is to slow to a safe speed before entering the curve, then ____ as you go through it.
A. Downshift twice
B. Accelerate slightly
C. Brake lightly
D. All of the above
14. You should know the outage needed for the liquids you carry because:
A. Some liquids expand more than others when they get warm
B. Tank baffles are not always legal with outage
C. Some of the heaviest liquids do not need any
D. All of the above
15. Baffles in liquid cargo tanks do not usually prevent the movement of surge from:
A. Front to back
B. Top to bottom
C. Side to side
D. All of the above
You can return to the CDL Practice Test Main Page or choose from the following:
For more help preparing for your CDL exam we highly recommend:
- Our CDL Manuals - free download - manuals for each state
- Our CDL Practice Tests - free, online tests for all endorsements
- Our Pre-Trip Inspection Study Guide - this will really help you prepare!
- Our Pre-Trip Inspection Flash Cards which are really hard and incredibly helpful
- Our Ask A Driver Page or article category for passing the CDL exam which has some interesting insights
BigRigDriving is for those interested in research, debates, and discussion of topics within the trucking industry
TruckingTruth is dedicated to those considering becoming a truck driver or are new to the trucking industry
Becoming A Truck Driver: The Raw Truth About Truck Driving
- By Brett AquilaIf you're considering becoming a truck driver, this is the book for you!
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