Illinois CDL — General Knowledge Practice Test 9

1.You see brake lights, backup lights, and exhaust coming from a stopped delivery truck ahead. What do these clues suggest?
The truck poses no risk to youThe truck has been abandonedThe truck is out of fuelThe driver is about to move the truck
2.What must a driver do when a train is approaching so closely that it creates an immediate hazard?
Stop before the crossingContinue across quicklySound the horn and proceedChange to a lower gear and cross
3.Under Illinois law, what may a driver NOT do with a cellphone while operating a commercial vehicle?
Use a hand-held phone or send text messagesPull over to make a callKeep a phone in the cabUse the phone only while stopped at a rest area
4.Knowingly leaving the scene of a crash while driving a commercial vehicle leads to what minimum penalty?
A disqualification of at least 12 monthsA 60-day disqualificationA warning letterA 30-day suspension
5.How should fatigue be treated compared with alcohol impairment behind the wheel?
As a minor issue that coffee solvesAs unimportant during daytime onlyAs a serious impairment that raises crash riskAs something that improves with speed
6.You are being tailgated by another vehicle. What is a good way to reduce the danger?
Speed up sharply to pull awayIncrease your following distance and avoid sudden movesBrake hard to warn the tailgaterTurn on your high beams
7.A CDL holder's privilege to drive their personal car is revoked for an alcohol violation. What happens to the CDL?
The CDL is unaffected because it was a personal vehicleThe CDL is permanently revokedThe CDL is disqualified for 30 daysThe CDL is disqualified for one year
8.How does a DUI conviction affect a driver who was hauling placarded hazardous materials at the time?
Disqualified for at least 12 monthsDisqualified for at least three yearsDisqualified for 90 daysNo additional penalty applies
9.Why are railroad crossings with steep approaches a special concern for long, low vehicles?
The brakes always fail on inclinesThe vehicle could hang up on the tracksSteep crossings have no warning signsLow vehicles cannot cross any tracks
10.What does a round, black-on-yellow sign placed ahead of a railroad crossing mean?
A rest area is aheadA railroad crossing is ahead — prepare to stopA weigh station is aheadA steep downgrade is ahead