Delaware CDL — General Knowledge Practice Test 3

1.You approach an emergency vehicle stopped on the roadside. Which response is NOT what the manual's move-over guidance describes?
Slowing down and proceeding with cautionChanging to a lane not next to the emergency vehicle when it is safeSlowing and keeping a safe speed if a lane change is unsafeStopping in your lane until the emergency vehicle leaves
2.When the reverse offset backing exercise is finished, how must your vehicle sit in the alley?
At an angle, with the cab outside the alleyStraight, and completely inside the exercise boundariesWith the rear bumper touching the end conesCentered on the outer boundary line
3.Why does the manual warn against letting your vehicle roll back when you start from a stop?
You may hit someone behind youIt wears out the clutchIt floods the engineIt trips the ABS warning lamp
4.One tire of a dual pair fails on your vehicle. According to the manual, what may be the only way to find out?
Watching the air pressure gauge on the dashFeeling the steering go heavyGetting out and looking at the tiresWaiting for the ABS lamp to light
5.Fog closes in and you decide not to keep driving. Where does the manual say it is preferable to wait?
On the shoulder with flashers onIn the right lane with headlights offOff the road in a rest area or truck stopUnder the nearest overpass
6.Which of these does the manual list as an effect of distracted driving?
Faster reactions from multitaskingBetter awareness of nearby vehiclesSlowed perception, so you notice a traffic event late or not at allShorter braking distance
7.What can happen if the engine's v-belts are loose in hot weather?
The water pump or fan will not turn properly, and the engine overheatsThe alternator overcharges the batteriesThe brakes apply unevenlyThe power steering locks up
8.A car and a loaded truck wait at the same stop sign to pull onto a highway. Why must the truck driver wait for a larger opening?
It accelerates slowly and takes up more spaceIts mirrors make gaps look larger than they areIts brakes release slowlyIts driver sits too high to see small cars
9.Even when livestock are bunched together in a trailer, why is special care still needed on curves?
The animals can lean, shifting the center of gravity and making a rollover more likelyThe animals add weight only to the rear axleLivestock trailers have no brakes of their ownBunched animals raise the tire pressure
10.In very hot weather you find a tire too hot to touch. Why does the manual say to stay stopped until it cools?
The wheel nuts will loosenThe tire could blow out or catch fireThe tread will separate from the rimThe ABS sensor will fail