Tennessee CDL — General Knowledge Practice Test 1

1.A round warning sign with a black symbol on a yellow background placed on the approach to a railroad crossing is telling a commercial driver to do what?
Reduce speed, look and listen for a train, and be prepared to stop if one approachesCome to a complete halt every time, whether or not a train is nearSpeed up so you clear the tracks before any possible train arrivesIgnore the tracks unless a gate is already lowered
2.A vehicle designed to carry how many people, including the driver, requires a CDL regardless of weight?
8 or more12 or more24 or more16 or more
3.A four-digit identification number shown on an orange panel or placard is used mainly by whom?
Weigh-station clerks, to record axle weightToll operators, to set the crossing feeDispatchers, to schedule the next loadFirst responders, to identify the material involved
4.At a crossing equipped with gates and flashing lights, when may a driver proceed across the tracks?
Only after the gates have raised, the lights have stopped, and the way is clearAs soon as the lights start flashing but before the gate movesBy carefully steering around a lowered gate when no train is visibleWhenever traffic behind begins honking
5.After you stop on the shoulder of a road, within how many minutes must the emergency warning devices be placed?
Within 2 minutesOnly if you will be stopped over an hourWithin 30 minutesWithin 10 minutes
6.When your speed goes from 20 up to 40 mph, what happens to braking distance?
It stays the sameIt doublesIt becomes about ten times longerIt becomes about four times longer
7.If two turning lanes are available for a left turn, which one should a truck or bus use?
The inside (left) turning laneWhichever lane is emptierThe right-hand turning laneThe oncoming lane
8.What should you do at night if you notice the signs of getting sleepy?
Push on to your destinationStop at the nearest safe place and sleepTurn on the high beams and speed upRoll down the window and keep driving
9.What is the penalty for a second major alcohol or drug offense in a CMV?
Loss of the CDL for lifeA three-year suspensionA one-year suspensionA fine with no suspension
10.Why shouldn't you rely on your taillights to warn traffic that you are parked at the roadside?
Taillights use too much batteryTaillights only work in daylightTaillights are illegal when parkedDrivers may think the taillights mean the vehicle is still moving