Free Maryland CDL General Knowledge Practice Test 2022

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our MD General Knowledge Practice Test has the same questions as the real exam which is based on the Maryland CDL Manual. Our CDL practice test pack covers most of the subject areas on the Maryland General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more that makes 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 Maryland CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2022 MD commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MD CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
When using the brakes on a steep downgrade, which of the following applies?
2.
How many red reflective triangles are you required to carry?
3.
When are helpers needed to back your vehicle?
4.
What is the best way to prevent brake failure on long downgrades?
5.
Hydroplaning:
6.
You are driving a 40-foot vehicle at 35 mph. The road is dry, and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?
7.
"The driver’s manual suggests several things to do when you pass a vehicle. Which of these is NOT one of them?"
8.
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

9.
What keeps an engine cool in hot weather driving?
10.
When coming down a long, steep downgrade, what should be your primary method of controlling your speed?
11.
When loading and securing a boulder, it should be:
12.
Why is damage to the exhaust system a danger?
13.
California allows 20,000 pounds maximum on the steer axle. The tread width of your tires is 11 inches, and the load rating on your steer tires is 7000 pounds. How much weight can you carry on your steer axle in California?
14.
Most serious skids result from:
15.
When shifting you should do all of the following except:
16.
While driving, ice builds up on your wipers and they no longer clean the windshield. You should:
17.
As part of the log packing requirements:
18.
What is the safe number to use in calculations for the weight of fuel?
19.
In case of brake failure, methods of stopping the vehicle include escaping into an open field, side street, or ramp, and:
20.
Who enforces HOS regulations?
21.
When securing concrete pipe loaded crosswise, arrange the top tier:
22.
Which violations have occurred in the below example?
Day 1

Day 2
23.
Most skids:
24.
Escape ramps:
25.
Which of these statements about rear drive wheel braking skid is true?
26.
Extra care is needed to keep your vehicle centered in your lane because commercial vehicles:
27.
If you increase your speed from 20 to 60 mph (original speed times 3), how much more braking distance is required at 60 mph than at 20 mph?
28.
What is the total WLL of two 20mm nylon ropes and one 5/8-inch wire rope?
29.
Based on the following figures, how much fuel can you legally add while remaining legal on the steer axle?

Load rating of steer tires: 6,150 pounds

Percentage of fuel weight to steer axle: 85%

Steer axle weight limit in states you're travelling: 20,000 pounds

Weight Before Fueling: Steer: 11,500, drives: 33,100, gross: 76,700

30.
Which of these statements about braking is true?
31.
Ways that drinking alcohol can affect the brain include:
32.
Sliding your trailer tandems forward or backward will redistribute the weight mainly between which two sets of axles?
33.
Cargo securement for a load weighing 37,000 lbs must be able to withstand a minimum forward braking force of:
34.
Your log must include all of the following except:
35.
In order to perform the in-cab and gauge inspection, which of the following must be done?
36.
Merging to the road is safest if you:
37.
What should you do when your vehicle hydroplanes?
38.
What does emergency braking mean?
39.
Coming down steep, long, downgrades will require a driver to:
40.
Putting too much weight towards the rear may cause all of these except:
41.
When securing a single metal coil with eye vertical, tiedowns must be arranged according the all of the following except:
42.
A container chassis vehicle, by definition, is:
43.
The maximum number of encroachments allowed on a particular exam exercise is:
44.
How much force is the securement system required to withstand in terms of cargo weight?
45.
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: 11,450, drives: 33,100, gross: 76,700

After fueling:

steer:11,850, drives: 33,300, gross: 77,300

46.
Which of these is true about mirror adjusting?
47.
Which day below contains a 30 minute break violation?
Day 1

Day 2
48.
What is a rub rail?
49.
If you're able to arrive early for a delivery, you should:
50.
The maximum number of allowable looks and/or pull-ups on any particular exam exercise is: