New York CDL — General Knowledge Practice Test 10

1.When you must drive in fog, you should:
Use your high beams for more lightSlow down and use your low-beam headlightsSpeed up to get through it quicklyTurn off all of your lights
2.If you feel your vehicle begin to hydroplane, you should:
Release the accelerator and keep the wheel straight until the tires regain their gripBrake hard to slow down at onceSteer sharply toward the shoulderAccelerate to push through the water faster
3.At some grade crossings a small plate showing a number is mounted below the crossbuck. That number tells you:
The speed limit for driving over the railsHow many feet of overhead clearance the crossing hasHow many trains use the crossing each dayHow many separate sets of tracks the crossing has
4.Which behavior by a nearby motorist is a warning sign of a driver who may be drunk or half asleep?
Signaling well before every turnHolding a steady position in the middle of the laneBraking gradually for a red lightComing to a halt at a green light, or sitting far too long at a stop
5.You must stop on the shoulder of a two-lane, two-way road. Where should you place your reflective warning triangles?
All three stacked directly behind the bumperAbout 10 feet, 100 feet behind, and 100 feet in front of the vehicleOnly one, placed on the roof200 feet to one side of the vehicle
6.An inspector places your vehicle 'out of service' for a serious defect. This means you:
May keep driving to the next cityMay not drive it until the problem is correctedCan drive it only at nightCan ignore the order if you are in a hurry
7.A sign reading 'LOW CLEARANCE 12 FT 6 IN' above an underpass is most important to a driver because:
It shows the speed limitIt marks a rest stopIt tells you the maximum height that can safely pass under the structureIt applies only to cars
8.Around a school bus, the areas where children are in the greatest danger of being struck reach out roughly:
15 feet from the front, the rear and each side of the bus3 feet from each corner of the bus50 feet in front of the bus only5 feet behind the rear bumper
9.After one train passes a crossing, before you proceed you should watch for:
Nothing — it is always safe once a train passesA second train that may be coming on another trackThe crossing gate to lift twiceA green traffic light
10.What happens when a driver takes another drug and drinks alcohol at the same time?
The alcohol cancels out the other drugNeither substance has any effectThe combination speeds up how fast alcohol leaves the bodyThe effects of the other drug can become much worse