Michigan CDL — General Knowledge Practice Test 3

1.What is a danger of traveling alongside another vehicle for a long time?
Your fuel use increasesYour mirrors fog upThe other driver may turn into you, or you may be boxed in when you need to move overYour tires wear unevenly
2.After being issued a commercial learner's permit, how long must you wait before taking the CDL skills test?
24 hours3 days7 days14 days
3.Which statement about overhead clearance is true?
A loaded van is taller than an empty oneAn unloaded van sits higher than a loaded one, so clearing a bridge loaded is no guaranteePosted bridge heights are always accurateVehicle height never changes with load
4.After completing a turn in a vehicle without self-canceling signals, what should you do?
Leave the signal on through the next blockSwitch to the four-way flashersTurn the signal offSignal the opposite direction
5.If a hill or curve keeps drivers from seeing your stopped vehicle within 500 feet, what should you do with the rear warning device?
Move it farther back down the road so approaching drivers get a warningPlace it directly behind the bumperLeave it off entirelySet it on the roof of the vehicle
6.What is the minimum age to drive a commercial motor vehicle across state lines?
18192021
7.Reaching how many points within a two-year span can lead to a required Driver Assessment re-examination?
6 or more8 or more12 or more20 or more
8.For a cargo fire inside a closed van or box trailer, what should you do with the doors?
Keep them shut so you do not feed the fire with oxygenOpen them to release the smokeRemove them entirelyOpen only the top vent
9.At a crossing with gates and flashing lights, when may you proceed?
As soon as the gate starts to riseWhen the last car of the train passesOnce the gates rise fully and the flashing lights go darkWhenever traffic behind you honks
10.If your vehicle catches fire, where should you pull off and stop?
In an open spot, clear of buildings, trees, brush, and other vehiclesAt the nearest service stationDirectly under an overpassIn a crowded parking lot