TN CDL PRACTICE TEST - GENERAL KNOWLEDGE

41. What should you do if you doubt you have safe space to pass under a low bridge?
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
Increase the weight of your vehicle to clearing under the bridge.
Go slowly, and take another route if you are not sure you can make it.
Assume that the height posted at the bridges is correct.
42. When checking the lights before driving:
make sure the parking brake is not set.
the engine must be running.
you should check them from inside the vehicle.
you should turn off the engine.
43. Before transporting a sealed load, you must check that:
the cargo is piled up.
the load is properly secured.
the seal on the load is secure.
the placard numbers and the seal numbers match.
44. To correct a drive-wheel braking skid, you should:
fully apply the brakes until you stop.
stop braking and countersteer.
steer into the skid.
release the clutch and press the accelerator at the same time, then countersteer.
45. During a trip:
you should not watch gauges as they can be misleading.
you should watch gauges for signs of trouble.
you should watch gauges to make sure that valve caps are not missing.
None of the above.
46. A high center of gravity means:
you are more likely to tip over.
the spring brakes will come fully on.
a rollover is less likely.
you'll have better traction.
47. 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.
48. When the wheels of a trailer lock up, the trailer will tend to swing around. This is more likely to happen when:
the trailer is fully loaded.
the trailer is overloaded.
the trailer is empty or lightly loaded.
None of the above.
49. What is an advantage of going right instead of left around an obstacle?
No one is likely to be passing you on the left, but someone may be driving on the shoulder.
There is no real advantage.
If you are blocked on both sides, a move to the right won't force anyone into an opposing traffic lane and a possible head-on accident.
If an oncoming driver has drifted into your lane, their natural response will be to brake suddenly.
50. Which of the following statements is FALSE?
You can almost always turn to miss an obstacle more quickly than you can stop.
The other statements are all TRUE.
If a tire blows, you should put the brakes on hard to stop quickly.
ABS (Antilock Braking Systems) only activate when wheels are about to lock.
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