Free Colorado CDL General Knowledge Practice Test 2022

You are looking for an actual Colorado CDL practice test for your coming CDL test? So you have come to the right place. Our CO General Knowledge Practice Test has the same questions as the real exam which is based on the Colorado CDL manual. Our test covers most of the subject areas on the Colorado General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our CDL practice test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s get ready to take our practice test now!

Our CDL practice tests:
Based on 2022 CO commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CO CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
You're loaded heavy with 1/2 tank of fuel onboard. Using the following numbers, where should you move the 5th wheel to get it setup properly?

steer axle: 10,800 pounds
drive axles: 34,700 pounds
Weight transfer: 500 pounds per hole
2.
What is the best way to prevent brake failure on long downgrades?
3.
Applying the brakes repeatedly on a downgrade to reduce speed 5 mph below your target is called:
4.
You weigh the truck immediately before and after fueling. Based on the following, determine what percentage of the weight goes to each set of axles:

Before fueling:

steer: 10,200, drives: 31,300, gross: 71,700

After fueling:

steer:11,000, drives: 31,500, gross: 72,700

5.
High friction securement devices include:
6.
To test for leaks on hydraulic brake systems:
7.
In cargo securement, a 'well' is defined as:
8.
When loading and securing a boulder, it should be:
9.
How many on duty hours are remaining after the following has been logged (use a scratch sheet of paper if you need to):
- On duty/not driving: 3 hours
- Driving: 4 hours
- Sleeper berth: 8 hours
- Driving: 7 hours
- Off duty: 2 hours
10.
To prevent rolling, how many points of contact are required, at minimum, for a boulder resting on a rounded or partially rounded side?
11.
A tank vehicle endorsement is required to drive tank vehicles with a combined capacity of:
12.
You receive a scale ticket and your drive axles are 35,700 and your trailer tandems are 30,600. Based upon a trailer with 4 inch slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and what would the final weights be?
13.
All of the following are key parts of the steering system except:
14.
A container chassis vehicle is defined as:
15.
What is a rub rail?
16.
What is the Aggregate WLL of the securement system for a load secured with 7 tiedowns: 3 rated at WLL of 4,000 lbs, 2 at 6,500, and 1 at 8,000?
17.
It is accepted that friction mats provide a resistance to horizontal movement equal to:
18.
Three serious traffic violations in a 3-year period will result in a CDL disqualification of:
19.
A tiedown is defined as:
20.
All of the following should be part of the engine compartment check except:
21.
When hauling livestock, to prevent them from moving around too much and causing a dangerous situation you would use:
22.
Drivers are generally only allowed to use cell phones or text in all of the following situations except:
23.
When starting in slippery conditions, you should:
24.
In cargo securement, bracing is:
25.
When turning quickly in an emergency, which of the following applies:
26.
What is the cargo's center of gravity?
27.
The maximum number of pull-ups allowed during the driving exam before failure is:
28.
An outside vehicle observation will be scored every time the driver:
29.
When vehicles towing trailers go into a drive-wheel skid, the trailer can push the towing vehicle sideways, causing a:
30.
Specific examples of vehicles which drivers should pay close attention to as possible hazards include:
31.
Overall length limit on vehicles transporting machinery, poles, or structural objects is:
32.
If loading and securing paper rolls on a second layer:
33.
Vehicles should be equipped with all of the following emergency equipment except:
34.
Is the following example within legal HOS limits?

- A trucker starts driving at 12:00pm
- At 5pm the driver takes a 1 hour break
- At 6pm the driver begins driving again
- At 11:30pm, the driver shuts down and goes off duty for 10 consecutive hours
35.
Which of the following techniques will not change the weight distribution across your axles?
36.
If you were instructed to 'tarp' a load, what would you be using?
37.
Whenever you double your speed, it will require how much more distance to stop?
38.
When stopping before a turn, do all of the following except:
39.
What is the presumed resistance to horizontal movement of friction mats?
40.
If you lose pressure in hydraulic brakes, you can:
41.
What is the minimum number of tie-downs to be used on flatbed cargo?
42.
To avoid being blinded by glare when driving at night, drivers should:
43.
The condition of all in-cab controls should be checked for:
44.
When involved in an accident and not seriously injured, basic steps you should take include assist the injured, notify authorities, and:
45.
Which day below contains a 30 minute break violation?
Day 1

Day 2
46.
What is a rub rail?
47.
A bulkhead is used:
48.
If you're able to arrive early for a delivery, you should:
49.
The pre-trip inspection should generally include how many steps?
50.
The maximum number of allowable looks and/or pull-ups on any particular exam exercise is: