# Free Connecticut CDL General Knowledge Practice Test 2023

Our CDL practice tests:
Based on 2021 CT commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CT CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
You must drive through deep or flowing water, you should not:
2.
Turn signals facing the front should be amber or:
3.
Which of these is true about driving in a tunnel?
4.
The primary cause of fatal crashes is:
5.
If the cargo is fully contained in a sided vehicle, what is the minimum requirement for withstanding sideways force?
6.
Applying the brakes repeatedly on a downgrade to reduce speed 5 mph below your target is called:
7.
Which of the following systems should receive extra attention during winter weather inspection?
8.
Using 6 miles per gallon as your fuel mileage and 8 pounds per gallon for the weight of fuel, how much total fuel weight will you burn off in 600 miles?
9.
Commercial drivers are allowed to hold CDL's in how many states at the same time?
10.
What is the aggregate WLL of one 7/15 inch Grade 43 chain, and three 5/16 inch Grade 70 chains?
11.
When should drivers inspect their vehicles?
12.
Which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle?
13.
Making sure that the cargo is not overweight is the responsibility of:
14.
A tank vehicle endorsement is required to drive tank vehicles with a combined capacity of:
15.
Why should drivers always be looking for hazards?
16.
When driving at night, you should:
17.
In case of which fires can you use water to put it out?
18.
All of the following are key parts of the steering system except:
19.
The distance that you should look ahead of your vehicle while driving amounts to about ___ miles at normal highway speed.
20.
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: 12,300 pounds

drive axles: 33,100 pounds

Weight transfer: 500 pounds per hole
21.
Drivers must inspect the securement of cargo every 150 miles or:
22.
A chock is defined as:
23.
If you cannot see the driver of a vehicle, then:
24.
Requirements for securing a non-cubic shaped boulder with a stable base include all of the following EXCEPT:
25.
If you have a road emergency and must park on the shoulder, how soon should you put out your triangles?
26.
Which of these could be considered off duty time?
27.
Which of these is true about tire pressure?
28.
Which of these is a good thing to do when steering to avoid a crash?
29.
You are driving a 40-foot vehicle at 55 mph. The road is dry, and visibility is good. What is the least amount of space that you need to have in front of your vehicle?
30.
What should you do if you are unsure whether you have enough overhead clearance?
31.
When you are starting to move up a hill from a stop:
32.
What is the minimum requirement for securing roll-off and hook containers?
33.
The best way to take a curve is to slow to a safe speed before entering the curve, then __________ as you go through it.
34.
Drivers must have a CDL to legally drive:
35.
Which of these would NOT help if windshield is covered with ice?
36.
To satisfy general cargo securement requirements, what is the minimum WLL for securing vehicles under 10,000 lbs?
37.
What is the primary goal of implementing the Bridge Formula?
38.
An ABS light that comes on or stays on while driving indicates:
39.
You are driving a heavy vehicle. You must exit a highway using an off-ramp that curves downhill. You should:
40.
Which of the following are covered by the specific log securement requirements?
41.
Overall length limit on vehicles transporting machinery, poles, or structural objects is:
42.
To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back into the pavement?
43.
When you are parked on the side of the road at night you must:
44.
Convex (curved) mirrors:
45.
What can be the result of too much weight on the back of the trailer?
46.
The definition for "shortwood" identifies pieces that are no longer than:
47.
The pre-trip inspection should show that the exhaust system is _____.
48.
Products that pose a risk to health, safety
and property during transportation are called:
49.
When securing concrete pipe up to 45 inches loaded crosswise, tiedowns through the pipe must be:
50.
When securing concrete bell pipe in multiple complete tiers, all of the following are true, EXCEPT: