MO CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

21. When you need to brake, you should warn the drivers behind:
by changing lanes.
by flashing your brake lights.
by making gestures.
22. Escape ramps:
are used to safely leave the highway.
can only be used by trucks or passenger vehicles.
have been built to stop runaway vehicles on steep downgrades.
23. When driving in very hot weather, you may have to:
decrease your following distance.
increase your speed until the tires cool off.
reduce your speed to prevent overheating.
24. If you have a HazMat endorsement and renounce your U.S. citizenship:
you will lose your HazMat endorsement.
you may keep your endorsement until your next license renewal date.
you may transfer your endorsement to a trusted U.S. citizen.
25. Which of the following is NOT a good rule for using turn signals?
Signal continuously until you have completed the turn.
Put your turn signal on after the turn.
Cancel your signal after you have turned.
26. On any upgrade, gravity:
slows you down.
doubles your speed.
speed you up.
27. If the road is icy, you should:
maintain your current speed and stop driving as soon as you can safely do so.
reduce speed to a crawl and stop driving as soon as you can safely do so.
put the transmission in neutral and stay off the brake until the vehicle has slowed down, then pull off the road and stop.
28. When driving at night you should dim your lights when following another vehicle within:
500 feet.
100 feet.
1 mile.
29. Which of the following is true about high beams?
You should use them when you are not within 50 feet of an approaching vehicle.
They should be used only if low beams suddenly stop working.
High beams should be used when it is safe and legal to do so.
30. Air brakes:
are prohibited on larger vehicles.
should be used only when driving on wet roads.
are an effective way to stop large and heavy vehicles.
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