Guam Truck And Bus Operations Manual Study
Guide –Complete Guide
How can the driver anticipate a change in traffic signals as he approaches an
intersection? ✔️Ans - Look well ahead for stale green lights, to avoid
running through late.
If your vehicle is 38 ft in length, what timed interval count would you use
under ideal road and traffic conditions ✔️Ans - Four seconds, round to the
nearest 20 feet and then divide by ten to get the timed interval count
What conditions should the driver consider when deciding upon a safe driving
speed ✔️Ans - 1. Road condition (rain)
2. Tire condition (tread, inflation)
3. Brake condition (adjustment)
4. Light condition (glare, shadows)
5. Visibility condition (dusk, rain, smoke, dust)
6. Traffic density (vehicles, pedestrians, cyclists)
7. Load condition (weight, length, width, type)
8. Driver condition (fatigue, tension)
In what way does the slow driver create a traffic hazard ✔️Ans - He
increases his accident potential from behind and from the side. Vehicles
passing and following too closely create hazards
In what way does the fast driver create a traffic hazard ✔️Ans - He
increases his chances for collision, creating more driving problems and
increases amount of fatigue
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 ✔️Ans - 200 feet of another commercial vehicle or
combination of vehicles
What is the most effective way to deal with a tailgater ✔️Ans - Assisting
them in passing your vehicle
, what is the surest method of reducing stopping distance ✔️Ans - lower your
speed
What is meant by the danger zone of a vehicle ✔️Ans - the danger zone of
any vehicle can be described as the area directly in front of the vehicle in
which the vehicle can not stop
What defensive measures can the driver take as he approaches any
intersection? ✔️Ans - 1. never enter an intersection at a speed at which you
cannot stop safely
2. do not assume you have the right of way
3. look well ahead for stale green lights
4. position your vehicle into the proper lane well before the turn at the
intersection
5. do not depend on other drivers
6. never pass at the approach to or in an intersection
If the weight of a vehicle is doubled, by how many times must the breaking
force be increased to stop the vehicle? ✔️Ans - two times
If the speed of a vehicle is doubled, by how many times must the breaking
force be increased to stop the vehicle? ✔️Ans - four times
If the weight and the speed of the vehicle is doubled, by how many times must
the breaking force be increased to stop the vehicle? ✔️Ans - eight times
How many breaking systems are required on every truck, truck-tractor, or
bus? ✔️Ans - two
What is the best method of applying breaks:
1. on a wet road surface?
2. to check the speed down a slight grade?
3. to check the speed of a steep grade? ✔️Ans - 1. lightly snub the breaks to
prevent the wheels from locking
2. by snubbing the breaks
3. select the lower gear ratios and with a steady break application
What determines the "safe speed" to proceed down any hill? ✔️Ans - the
speed which will allow safe stop at any time
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