# Free Connecticut CDL General Knowledge Practice Test 2023

Our CDL practice tests:
Based on 2021 CT commercial driver's license manual
Perfect for first-time, renewal applicants
CT CDL General Knowledge Test format:
50 questions
80% passing score
List of questions
1.
Vehicle skids are often caused by:
2.
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.
3.
One can recognize hazardous materials by looking on the container:
4.
The driver is responsible for all of the following, EXCEPT for:
5.
You are driving on a slippery road during the day. What does the Driver’s manual say about how much space you should keep ahead of your truck?
6.
Sometimes you need to leave a road to avoid a hazard or emergency. When you do, you should keep in mind, that:
7.
The BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is:
8.
"The driver’s manual suggests several things to do when you pass a vehicle. Which of these is NOT one of them?"
9.
As a way to maximize all time available, you should always do the following:
10.
There are three maximum limits you must follow at all times. Those limits are:
11.
You should lightly apply your brakes to flash the brake lights if:
12.
On an accident scene, if a qualified helper is present you should:
13.
When starting to move the truck, when is it acceptable to roll backwards?
14.
To test for leaks on hydraulic brake systems:
15.
When securing a load of lengthwise longwood logs weighing 42,500 lbs, what is the minimum aggregate WLL required for tiedowns? (rounded up to nearest lb)
16.
In cargo securement, a 'well' is defined as:
17.
What violations occurred on Day 2 of this example?
Day 1

Day 2
18.
While exiting the vehicle for a 'look', how many points of contact must you keep with the vehicle at all times?
19.
Which of these statements about double clutching and shifting is true?
20.
Which of these is true about the use of drugs while driving?
21.
Securing heavy vehicles or equipment with crawler tracks or wheel requires a minimum of how many tiedowns?
22.
Backing into a space that is to the right rear of your vehicle is referred to as:
23.
The load carrying area of a truck, trailer, or intermodal container is referred to as the:
24.
Who enforces HOS regulations?
25.
Which of these statements about marking a stopped vehicle is true?
26.
In what circumstance can shortwood be treated as longwood?
27.
Which violations have occurred in the below example?
Day 1

Day 2
28.
Which of these actions are NOT recommended for a left turn?
29.
The tread depth on front steering wheel tires should be:
30.
A dunnage bag is:
31.
A 30 minute break violation occurs on the below example. What day and time does the violation occur?
Day 1

Day 2
32.
Your log must include all of the following, EXCEPT:
33.
When going down a long steep downgrade you should always:
34.
Any CDL holder found to operating a CMV with ANY alcohol in his/her system will be placed out-of-service for a minimum of:
35.
When securing metal coils in a sided vehicle without anchor points:
36.
To correct a drive wheel braking skid, you should:
37.
Working Load Limit (WLL) is defined as:
38.
Backing your vehicle in a straight line without crossing over or touching the exercise boundaries is called:
39.
Minimum tread depth on every groove on all tires must be at least:
40.
Cargo must satisfy one of the following securement conditions, EXCEPT:
41.
Which of the statements about backing a heavy vehicle is NOT true?
42.
What is aggregate working load limit?
43.
Sliding your trailer tandems toward the front or back of the vehicle will primarily change the weight distribution between which sets of axles?
44.
What kind of extinguisher should be used on burning paper, wood, or cloth?
45.
When starting down a hill, instead of using the foot brakes to control speed:
46.
As part of their pre-trip cargo securement inspection, drivers should:
47.
Posted heights at overpasses:
48.
You should try to avoid driving in fog:
49.
Oil, coolant, charging circuit warning lights should go out _________.
50.
Submitting fingerprints for a background check will be required for drivers applying for _________.