Maryland CDL — General Knowledge Practice Test 9

1.How much following distance does the manual suggest at speeds below 40 mph?
At least one second regardless of lengthOne second of space for every 10 feet of your rig's lengthAt least three seconds for the whole vehicleHalf a second for each 10 feet of length
2.How many driver's licenses is a commercial driver permitted to hold?
Two, one commercial and one personalAs many as the number of states you drive inOnly oneOne per class of vehicle operated
3.In heavy traffic, what is generally the safest speed?
Well above the flow so you can pass freelyMuch slower than everyone elseWhatever speed avoids using the brakesThe speed of the traffic around you, without exceeding legal or safe limits
4.As you get ready to overtake a car, walker, or bicyclist, what should you assume about them?
Assume they do not see you and could move into your pathAssume they have already seen youAssume they will speed up to let you byAssume they will move onto the shoulder
5.Which vehicle fits the Class B category?
A combination towing a 15,000-pound trailerA single vehicle rated 26,001+ pounds, or one towing a unit of 10,000 pounds or lessA car towing a small utility trailerA vehicle carrying 16 passengers only
6.For a driver under 21, what is the law on drinking alcohol?
It is allowed with a mealIt is legal up to 0.02 BACIt is illegal, and being caught after drinking can lead to suspension or revocationIt is only illegal while driving a CMV
7.How far ahead should you be looking while driving?
About 3 to 5 seconds aheadAbout 30 seconds aheadJust past the vehicle directly in front of youAbout 12 to 15 seconds ahead
8.Because of a large vehicle's slow acceleration, what should you do before crossing or entering traffic?
Enter on the smallest gap to keep traffic movingWait for a larger gap than a car would need before pulling outRely on other drivers to slow for youCross first and accelerate once in the lane
9.On a two-lane road approaching a railroad crossing, what marking appears along with the pavement 'X'?
A no-passing zone markingA center turn islandA painted bike-lane symbolA pedestrian crosswalk
10.In strong winds, which vehicles have the most trouble staying in their lane, and where is it often worst?
The heaviest loaded trucks, on straight highwaysLighter vehicles, especially when leaving tunnelsVehicles going downhill, in valleysBuses, only in city traffic