PA CDL PRACTICE TEST - GENERAL KNOWLEDGE

31. Your driver license doesn't have the hazardous materials endorsement. You can drive a vehicle that carries hazardous materials if:
the vehicle does not require placards.
one of your passengers has the hazardous materials endorsement.
you are transporting hazardous materials for less than 50 miles.
All of the above.
32. What is an "escape ramp"?
A road shoulder made to support the weight of large vehicles and, therefore, offer an escape route.
A ramp built on steep mountain downgrades, made to stop runaway vehicles safely.
A short section of road by which traffic may leave a controlled access highway.
None of the above.
33. It is safer to drive over (rather than to avoid) which of the following?
Paper and cloth sacks
Cardboard boxes
Plastic containers
None of the above.
34. The posted speed limit for a curve:
is optional and may be exceeded.
is safe for trucks or buses, but it may be too fast for cars.
may be too fast for many trucks or buses.
is safe for all vehicles.
35. If a load is 10 feet long, the minimum number of tie-downs required is:
4
1
2
3
36. If you have to drive off the road to avoid a collision, you should:
keep one set of wheels on the pavement, if possible.
avoid braking.
stay on the shoulder until your vehicle has come to a stop.
All of the above.
37. If the vehicle ahead of you is smaller than yours:
it will take the same amount of time to stop.
it can probably stop faster than you can.
it will usually take longer to stop.
All of the above.
38. Antifreeze:
helps the engine under hot conditions as well as cold conditions.
doesn't help the engine in any way.
helps the engine only under hot conditions.
helps the engine only when the temperature is below freezing.
39. When you take a break in the middle of your trip, you should check:
gauges for signs of trouble.
missing exhaust pipes.
tires, brakes, lights and cargo securement devices.
heater, defroster and windshield wiper blades.
40. If you hear a loud loud "bang" and the steering feels "heavy", you should:
hold the steering wheel firmly and stay off the brake.
check your rearview mirrors to see if you have a flat tire.
brake hard and pull off the road.
pump the brakes until the vehicle has slowed down.
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