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Maryland CDL General Knowledge Practice Questions - Maryland Commercial Driver License General Knowledge Test Exam
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Question
1
of 25
QUESTION 1 / 25
What is the first step in the seven-step pre-trip inspection method?
Choose one answer below.
A
Approach the vehicle and check its general condition
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B
Check under the hood
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C
Start the engine and inspect inside the cab
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D
Walk around and inspect the entire vehicle
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QUESTION 2 / 25
What is the proper technique for shifting gears in a commercial motor vehicle with a manual transmission (double clutching)?
Choose one answer below.
A
Press the clutch, shift to neutral, release the clutch, press the clutch again, shift to the next gear, release the clutch
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B
Hold the clutch down while moving through each gear
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C
Shift without using the clutch at any time
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D
Press the clutch once and move the shifter directly to the next gear
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QUESTION 3 / 25
How far ahead should you scan the road while driving a commercial vehicle at highway speeds?
Choose one answer below.
A
5 to 8 seconds
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B
8 to 10 seconds
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C
12 to 15 seconds
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D
20 to 25 seconds
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QUESTION 4 / 25
According to FMCSA regulations, how soon after starting a trip must a driver inspect their cargo and securing devices?
Choose one answer below.
A
Within the first 50 miles
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B
Within the first 100 miles
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C
Within the first 25 miles
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D
Within the first 75 miles
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QUESTION 5 / 25
A Class A CDL allows the holder to operate:
Choose one answer below.
A
Any single vehicle with a GVWR of 26,001 lbs or more
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B
Any combination vehicle with a GCWR of 26,001 lbs or more, provided the towed vehicle weighs more than 10,000 lbs
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C
Only passenger buses with 16 or more passengers
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D
Only vehicles carrying hazardous materials
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QUESTION 6 / 25
During a pre-trip inspection, what should you check in the engine compartment?
Choose one answer below.
A
Only the oil level
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B
Oil level, coolant level, power steering fluid, belts, and hoses
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C
Only the coolant level and belts
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D
Only items visible without opening any caps
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QUESTION 7 / 25
When driving a commercial motor vehicle with a manual transmission, what is progressive shifting?
Choose one answer below.
A
Shifting through every gear in sequence regardless of speed
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B
Shifting at lower RPMs as road speed increases to improve fuel economy and reduce engine wear
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C
Skipping gears while shifting up
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D
Shifting at the highest RPM in every gear for maximum power
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QUESTION 8 / 25
How often should you check your mirrors while driving a commercial vehicle?
Choose one answer below.
A
Every 1 to 2 seconds
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B
Every 5 to 8 seconds
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C
Every 15 to 20 seconds
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D
Only when changing lanes or turning
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QUESTION 9 / 25
After the initial cargo inspection, how often must a driver re-inspect their cargo securement during a trip?
Choose one answer below.
A
Every 200 miles or 4 hours, whichever comes first
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B
Every 150 miles or 3 hours, whichever comes first
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C
Every 100 miles or 2 hours, whichever comes first
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D
Only when stopping for fuel
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QUESTION 10 / 25
A Class B CDL allows the holder to operate:
Choose one answer below.
A
Any combination vehicle with a GCWR over 26,001 lbs
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B
Any single vehicle with a GVWR of 26,001 lbs or more, and towed vehicles not exceeding 10,000 lbs GVWR
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C
Only motorcycles and small passenger vehicles
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D
Only straight trucks under 10,000 lbs
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QUESTION 11 / 25
When performing a pre-trip inspection, the driver should ensure that the steering wheel free play (lash) does not exceed what limit?
Choose one answer below.
A
5 degrees in either direction
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B
10 degrees in either direction (approximately 2 inches on a 20-inch wheel)
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C
15 degrees in either direction
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D
20 degrees in either direction
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QUESTION 12 / 25
What is "off-tracking" when driving a commercial vehicle through a turn?
Choose one answer below.
A
When the vehicle drifts out of its lane on a straight road
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B
When the rear wheels follow a shorter path (closer to the inside of the curve) than the front wheels
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C
When the trailer fishtails on slippery roads
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D
When the steering wheel locks during a turn
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QUESTION 13 / 25
When approaching a railroad crossing without signals or gates in a commercial vehicle, where must you stop?
Choose one answer below.
A
Between 5 and 10 feet from the nearest rail
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B
Between 15 and 50 feet from the nearest rail
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C
At least 75 feet from the nearest rail
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D
Directly at the rail and look both ways
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QUESTION 14 / 25
How many tie-downs are required for an article that is 5 feet long or less and weighs 1,100 lbs or more?
Choose one answer below.
A
At least 1 tie-down
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B
At least 2 tie-downs
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C
At least 3 tie-downs
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D
No tie-downs if it is blocked and braced
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QUESTION 15 / 25
A Class C CDL is required for:
Choose one answer below.
A
Operating any vehicle over 26,001 lbs GVWR
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B
Vehicles designed to transport 16 or more passengers (including the driver) or vehicles carrying hazardous materials that do not meet Class A or B requirements
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C
Operating any combination vehicle
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D
Only personal-use vehicles
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QUESTION 16 / 25
During the cab check portion of a pre-trip inspection, you should test the parking brake by:
Choose one answer below.
A
Driving forward slowly and applying the parking brake
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B
Putting the vehicle in gear with the parking brake set and gently pressing the accelerator to see if the vehicle holds
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C
Visually checking that the parking brake handle is in the correct position
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D
Checking the parking brake cable under the vehicle
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QUESTION 17 / 25
When turning right with a large commercial vehicle, the correct technique is to:
Choose one answer below.
A
Turn tightly to stay as close to the curb as possible
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B
Swing wide to the left before turning right to give the rear wheels room to clear the corner
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C
Keep the front wheels close to the right curb and allow the trailer to track over the curb
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D
Stop in the intersection and wait for all traffic to clear
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QUESTION 18 / 25
Which of the following is the BEST indicator of an aggressive driver near your commercial vehicle?
Choose one answer below.
A
A driver using turn signals before every lane change
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B
A driver maintaining a steady speed in the right lane
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C
A driver frequently changing lanes, tailgating, and making obscene gestures
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D
A driver who slows down at yellow traffic lights
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QUESTION 19 / 25
A piece of cargo is 17 feet long. What is the minimum number of tie-downs required?
Choose one answer below.
A
2 tie-downs
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B
3 tie-downs
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C
4 tie-downs
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D
5 tie-downs
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QUESTION 20 / 25
Under federal Hours of Service (HOS) rules, what is the maximum consecutive hours a property-carrying driver may drive?
Choose one answer below.
A
8 hours
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B
10 hours
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C
11 hours
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D
14 hours
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QUESTION 21 / 25
Which emergency equipment is required to be on a commercial motor vehicle?
Choose one answer below.
A
Fire extinguisher, spare fuses, and three red reflective triangles
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B
First aid kit, fire extinguisher, and flares only
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C
Fire extinguisher and road flares only
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D
Spare tire, jack, and reflective vest
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QUESTION 22 / 25
What does countersteering mean?
Choose one answer below.
A
Turning the steering wheel in the direction opposite to the way you want to go
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B
Turning the steering wheel back toward straight ahead after completing a turn to prevent oversteering
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C
Steering with one hand while braking with the other
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D
Steering the vehicle in reverse
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QUESTION 23 / 25
When driving through a construction or work zone, which of the following is the safest practice?
Choose one answer below.
A
Maintain highway speed to keep up with traffic flow
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B
Reduce speed, watch for workers, and obey posted speed limits
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C
Use your horn to alert workers of your presence
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D
Move to the center lane regardless of markings
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QUESTION 24 / 25
Which of the following is NOT a common type of cargo tie-down?
Choose one answer below.
A
Chains
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B
Nylon straps
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C
Bungee cords
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D
Wire cables
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QUESTION 25 / 25
What is the 14-hour on-duty window under HOS rules for property-carrying drivers?
Choose one answer below.
A
Drivers may not drive beyond the 14th consecutive hour after coming on duty, following 10 consecutive hours off duty
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B
Drivers must take a 14-hour rest period between shifts
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C
Drivers may work a total of 14 hours per week
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D
Drivers must have 14 hours of off-duty time between trips
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