2025 Questions and Answers
How can the driver anticipate a change in traffic signals as he approaches an
intersection? - ANSWER-Stale green lights
If your vehicle is 38 feet in length, what "timed-interval" count would you use
under ideal road and traffic conditions? - ANSWER-4 seconds
What is the minimum following distance the driver of a commercial vehicle
maintains when following another commercial vehicle outside of a business or
residential district? - ANSWER-200 feet
What is the surest method of reducing stopping distance? - ANSWER-Drive
slower.
What is meant by "The Danger Zone" of a vehicle? - ANSWER-The area in front
of the vehicle
What defensive measures can the driver take as he approaches any intersection? -
ANSWER-
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, If the weight of the vehicle is doubled, how many times must the stopping power
be increased? - ANSWER-2x
If the speed of the vehicle is doubled, by how many times must the braking force
be increased to stop the vehicle? - ANSWER-4x
If the weight and the speed of the vehicle is doubled, by how many times must the
braking force be increased to stop the vehicle? - ANSWER-8x
How many braking systems are required on every truck, truck-tractor or bus? -
ANSWER-Two
What is the purpose of an engine governor? - ANSWER-To keep an engine's RPM
within safe limits.
Are engine retarders more effective at low engine R.P.M. or high R.P.M? -
ANSWER-Higher RPM
What should the driver do when it becomes necessary to drive his vehicle through
the water which is upon the highway? - ANSWER-Place a slight drag on the breaks
Why should you avoid overtaking another vehicle when your difference in speed is
only slight? - ANSWER-The time to overtake is considerable and creates hazards
Why should you not signal another vehicle to overtake and pass you? - ANSWER-
You may be encouraging a driver with limited experience to over-drive his/her
ability.
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