Illinois CDL — General Knowledge Practice Test 7

1.How can you warn drivers behind you that you are about to slow down?
Turn the wheel side to sideTap the brake pedal to flash the brake lightsFlash your high beams forwardSound the horn twice
2.At a passive railroad crossing with no lights or gates, what is your responsibility?
Assume no train is coming and proceedLook for a train and judge whether it is safe to crossWait for a signal that will never comeFollow the vehicle ahead without checking
3.What is the main benefit of an antilock braking system (ABS) during hard braking on a slippery road?
It always cuts your stopping distance in halfIt helps you steer while braking by preventing wheel lockupIt lets you brake with no hands on the wheelIt removes the need to slow down for curves
4.In emergency steering, what should you be ready to do right after you clear the obstacle?
Countersteer back toward your original pathBrake as hard as possibleShift into neutralHold the wheel turned until you stop
5.Why should you slow down when you can only use low-beam headlights at night?
Low beams use more fuelLow beams do not light the road as far aheadLow beams are illegal at nightLow beams blind oncoming drivers
6.At a railroad crossing with gates and flashing lights, what must you do when the gate is lowered?
Drive around the gate if no train is visibleHonk and proceed slowlySpeed up to beat the trainStop and remain stopped until it is safe
7.How much should you reduce your speed when driving on packed snow?
By about one-quarterBy about one-thirdBy half or moreNo reduction is needed if you have chains
8.What is the leading cause of injuries and deaths in roadway work zones?
Loose gravelFalling equipmentPoor lightingSpeeding traffic
9.Which headlights should you use to see best when driving in fog?
High beamsParking lights onlyLow beams and fog lightsNo lights, to reduce glare
10.How should you use the brakes on a vehicle equipped with ABS?
Pump the pedal rapidly during every stopApply the parking brake insteadPress the pedal only halfway at all timesBrake as you normally would