Tennessee CDL — General Knowledge Practice Test 5

1.By about how much should you reduce speed on a wet road?
Not at allBy about one-thirdBy exactly half only on iceTo the posted limit for cars
2.What is the best advice for driving in dense fog?
Speed up to get through it quicklyUse high beams for the most lightAvoid driving and wait for visibility to improveFollow closely behind another vehicle's taillights
3.When there is not enough room to stop, which action can usually avoid an obstacle faster?
Braking as hard as possibleDownshifting repeatedlySteering (turning) to miss itSounding the horn and holding speed
4.Can a truck with a high center of gravity roll over at the posted speed for a curve?
No, the posted speed is always safe for trucksOnly if the road is wetYes, a high center of gravity can roll it over at the posted speedOnly when fully loaded with liquid
5.In a 60-foot rig traveling above 40 mph, how much following distance in seconds should you maintain?
4 seconds7 seconds6 seconds10 seconds
6.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
7.How many tie-downs does the manual require based on the length of a load?
One tie-down for every 25 feet of cargoOne tie-down for every 10 feet of cargoOne tie-down per axleOne tie-down regardless of length
8.Which vehicles are most affected by strong crosswinds?
Lighter vehiclesFully loaded heavy trucksVehicles with air brakes onlyBuses carrying passengers only
9.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
10.For a first offense of driving a CMV with a BAC of .04 percent or higher, how long will you lose your CDL?
At least 30 daysAt least 5 yearsAt least one yearOnly until a fine is paid