Texas CDL — General Knowledge Practice Test 2

1.You have just finished a turn in a truck whose signals do not shut off by themselves. You should:
Reach over and switch the signal off yourselfLeave it blinking until you reach the next intersectionTurn on the four-way flashers in its placeTap the brakes twice to confirm the move is over
2.You are stopped on the shoulder of a divided highway. Your three warning devices belong at:
10 feet, 100 feet, and 200 feet back toward oncoming traffic10 feet, 50 feet, and 150 feet ahead of the vehicleOne at each corner of the vehicle and one on the roof25 feet, 75 feet, and 125 feet in both directions
3.How many driver licenses may a commercial driver legally hold?
One for each state where you driveOnly oneAs many as you can obtainTwo: one for cars and one for trucks
4.What is the correct way to check whether your tires have the proper air pressure?
Use a tire pressure gaugeKick the tire and listen to the soundThump it with a hammerJudge it by eye from the driver's seat
5.Why should you not fully trust a posted bridge or overpass clearance height?
Repaving or packed snow can make the real clearance lower than the posted heightPosted clearance signs are always exactly rightOverhead space never matters for trucksClearance actually increases when the road is wet
6.Texas guidance for a professional truck driver who meets a school bus is to:
Get past it quickly before it reaches the next stopGive it all the room you can and expect frequent stops for childrenFollow closely so cars cannot slot in betweenTreat it exactly the way you would any other truck
7.If another driver is tailgating you, the safest response is to:
Open up more space ahead so you can slow down graduallySpeed up to get away from themBrake hard to warn them offTurn off your tail lights
8.When you come upon or are involved in a crash, your first steps should be to:
Immediately move every injured person, even when there is no dangerProtect the area with flashers and warning devices, then notify authorities and help the injuredDrive away quickly to avoid delayWait and do nothing until police happen to arrive
9.Before and while backing a commercial vehicle, you should:
Back quickly to get it over withRely only on your mirrors and never stopSound the horn and back without lookingGet out and look, use a helper if you can, and back slowly
10.Some public crossings are marked with signs telling drivers that trains do not blow a horn there. The lesson for a commercial driver is:
Silence proves nothing, so look for the train yourselfThose crossings are closed to commercial vehiclesEvery such crossing has gates and bells insteadYou may cross without slowing because trains are rare there