問題一覧
1
when confronted by an aggressive driver, the very first thing you should do is:
make every attempt to get out of their way
2
in bad weather, many cars tailgate large vehicles. what should you do?
increase your following distance so you can avoid quick manoeuvres
3
which of these is a good thing to remember about drinking alcohol?
alcohol affects judgment and self control, which are necessary for safe driving
4
which of these statements about vehicle fires is true?
a burning tire should be cooled with water
5
optional safety equipment may include emergency numbers, tire chains, and:
tire changing equipment
6
after starting the engine
the coolant temperature gauge should begin a gradual rise to the normal range
7
retarders can be used:
only where permitted by law
8
which of these statements about brakes is true?
the heavier a vehicle or the faster it is moving the more heat the brakes have to absorb to stop it
9
what is the term for a commercial vehicles habit of swinging wide in a turn?
off tracking
10
which of these statements about double clutching and shifting are true?
you can use tachometer to tell when to shift
11
according to the drivers manual, why should you limit the use of your horn?
it can startle other drivers
12
you are driving a vehicle that could be safely driven at 55, but traffic is heavy and moving at 35 even though the limit is 55. what is the safest speed for you?
35 MPH
13
whenever you double your speed, hoss much more distance does it take to stop?
4 times the distance
14
hoss does vehicle weight effect stopping?
empty trucks can take longer to stop than loaded ones, but this is usually not the case for buses
15
which of these statements about overhead clearance is true?
the weight of a vehicle changes its height
16
which of these is a good thing to do then driving at night?
keep your speed slow enough that you can stop in the range of your headlights
17
which vehicle will be most affected by trying winds?
a set of empty doubles
18
when the roads are slippery, you should:
make turns as gently as possible
19
which of these is not true about emergency breaking?
it is not important how you break in an emergency
20
which of these is the most important thing to remember about emergency braking
if the wheels are skidding you cannot control your vehicle
21
where or how is cargo blocking used?
in the front, sides, and back of cargo, usually at the floor
22
bridge formulas:
permit less maximum axle weight for axles that are close together
23
you are checking your brakes and suspension in a pre trip inspection. which of these statements is true?
brake shoes should not have oil, grease, or fluid on them
24
what is the most important reason to inspect your truck or bus?
safety
25
drivers of trucks and tractors with cargo must check the securement of the cargo within how many miles of starting the trip?
50 miles
26
you do not have the hazardous materials endorsement on your CDL. you are asked to haul a load of hazardous materials requiring placards. you should:
refuse to haul the load
27
what is the first thing you should do if your brakes fail while going down a hill?
get off the road as soon as possible
28
escape ramps:
should be used by any driver who looses braking power
29
which of the following best describes how sleep debt can be paid off?
it can only be paid off by sleeping
30
if you have been drinking alcohol, you should:
wait for it to wear off
31
when a doctor prescribes medication for you and you know you will be driving you should:
ask the doctor if the medication will affect your driving