問題一覧
1
A commercial motor vehicle's (CMV's) engine controls are used to:
start up and shut down the vehicle's engine.
2
If your truck has a(n)____you must first turn the engine key to the 'on' position
Starter button
3
Which clutch position is required to start the engine or shift gears?
Disengaged
4
Which of the following is a yellow, diamond-shaped knob that allows you to activate he parking brake?
Parking brake control valve
5
Secondary vehicle controls:
assist you in safely operating your vehicle.
6
Which vehicle instrument measures the voltage in a vehicle's electrical system?
Voltmeter
7
What is a normal operating range for a CMV's oil pressure gauge?
30-50 psi
8
9. Which of the following warning devices help you to know when exhaust temperatures are abnormal?
. Pyrometer warning light
9
. Which of the following warning devices indicates there is inadequate pressure in the air brake system?
Low pressure warning alarm/light
10
In order to put a commercial motor vehicle on the road, you must first:
. conduct a thorough pre-trip inspection.
11
Before you inspect the engine compartment and front axle components:
verify the parking brakes have been set.
12
What is the minimum tread depth for the steer-tire?
4/32 inch
13
When inspecting the brake assembly, you should ensure:
the brake shoes have at least a quarter-inch lining
14
After the initial 50-mile check, how often must you conduct additional on-the-road inspections of the cargo securement and securement devices?
Whenever a change of duty status is made, every three hours, or 150 miles, whichever comes first
15
When is it appropriate to conduct a post-trip inspection?
At the end of every work day
16
What items should a post-trip inspection include?
The same items as the pre-trip inspection except for things affected by heat
17
If the previous driver found defects and noted them on a DVIR, what must you do before operating that vehicle again?
Ensure that any items listed defective/deficient that may affect the safe operation of the vehicle were repaired.
18
What is the very first step you should take when starting a tractor-trailer engine?
. Apply the parking brake
19
When setting your tractor-trailer in motion, how can you tell the friction point of your clutch has been reached?
Your RPMs decrease
20
After stopping your tractor-trailer,:
maintain enough brake pressure to keep the vehicle stationary.
21
When testing your tractor-trailer hook-up, pull gently against the locked trailer brakes and stop when:
. you feel the engine start to drag down.
22
What is off-tracking?
When the rear wheels follow a different path than the front wheels while making a turn
23
What is essential for you to do when you're making a left turn in an intersection with multiple lanes?
Start in the rightmost lane.
24
What factors will determine how much time is needed to get your vehicle up to speed to safely merge with oncoming traffic on an interstate?
All of the above
25
What should you do if you cannot easily correct trailer drift (your vehicle is too far out of position) when backing your vehicle?
Pull up, reposition the trailer, and start over.
26
When your vehicle reaches the maximum speed for a gear, you must:
upshift
27
When double clutching is done correctly, and the RPMs are matched during the shift,:
the gears do not grind
28
Downshifting early is a common error that may:
make it impossible to get into the next lower gear
29
The purpose of upshifting is to
allow the vehicle to increase speed
30
Proper, smooth shifting is important because if you shift before your vehicle is ready;
all of the above.
31
What actions negatively impact your vehicle's fuel economy?
Downshift too early (causes the RPMs to jump up)
32
With an autoshift transmission, if the transmission is in the drive position,:
it will shift gears as needed based on speed and load.
33
What is the primary difference between a manual and semiautomatic transmission?
The top gears automatically change in a semiautomatic transmission
34
What does an automatic transmission use to change gears?
Lever or button
35
How does your trailer respond when you turn the wheel to the right while backing?
It drifts to the left
36
What is a key reason backing is so dangerous?
Backing gives you limited visibility; you will always have a blind spot.
37
What is the acronym commonly used to remember the safety check you should perform before backing?
GOAL: Get Out And Look
38
If you can use a spotter when backing,:
you must agree on all hand signals before beginning the maneuver.
39
Which of the backing techniques is fundamental in learning all other backing maneuvers?
Straight line backing
40
What is the key characteristic to alley dock backing maneuver?
Backing while turning into a space that is 90 degrees to the truck
41
What backing maneuver should you use if the trailer did not wind up directly in front of the target?
Offset backing
42
What is something typically unique to loading dock areas you must watch out for when backing?
Unusual clearances around the dock and any nearby barriers
43
When backing in a parking lot, take note of the:
position of the entrances and exits.
44
If your fifth wheel isn't greased properly, it can:
create steering problems.
45
Backing under your trailer at an angle can:
both A and C.
46
When performing the tug test, when should you stop?
As soon as you feel resistance from the trailer
47
What is the safest way to lower and raise your trailer's landing gear in high gear?
Face the trailer, keep your feet apart, and rest one hand on the trailer.
48
How can you pull the fifth wheel release handle in a way that doesn't put yourself of injury?
Bend at the knees, keep your legs and feet clear of the rear tractor wheels, square yourself up with the handle, and pull straight out.
49
When preparing to couple a rear trailer to a converter dolly, the trailer height should be____ the center of the fifth wheel.
slightly lower than
50
How can you ease pressure on the fifth wheel locking jaws before uncoupling your tractor-trailer?
Lock the trailer brakes and back up gently
51
When uncoupling the converter dolly, why should you never unlock the pintle hook with the dolly under the rear trailer?
The dolly tow bar could fly up, possibly causing injury.
52
Distance scanning helps you:
all of the above
53
As a general rule, you should look about___secs ahead
12-15
54
How often should you check your mirrors
every 4 secs
55
Which of the following scenarios could indicate a distracted pedestrian?
Someone looking down while reading a text on a cell phone
56
What is a potential sign of a distracted driver?
The SUV behind you cut off another driver and is now swerving and tailgating you
57
Which type of mirror is designed to eliminate as much of your blind spot as possible?
Convex mirrors
58
If you need to see down the sides and towards the rear of your trailer, what mirror should you use?
Plane (west coast) mirrors
59
When adjusting your mirrors, what should you see in the inside vertical edge of your plane (west coast) mirrors?
The trailer body
60
When changing lanes, check your mirrors:
all are correct
61
Using your turn signals is only optional when:
none are right
62
On the highway, you should signal about.
500
63
If traffic ahead begins to slow, what should you do to alert those around you that you're slowing down?
Tap your brakes
64
What can happen if you attempt to direct traffic by flashing your lights, blowing your horn, or using hand signals?
both b and c
65
When approaching a pedestrian or bicyclist, always assume:
they don't see you and could suddenly move in front of your vehicle.
66
Which horn should you use when trying to communicate with others?
Electric horn
67
When is an appropriate time for you to use your four-way flashers?
Both A and B
68
According to the FMCSRs, if your vehicle is stopped, you have____mintues to set out your emergency warning devices.
10
69
How can making eye contact help you communicate with others around you?
It can assist in confirming others' awareness of your presence
70
An example of a___distraction is eating a cheeseburger and fries while driving down a road
physical
71
What is it called when you actually don't "see" something, even though it's right there in your line of sight. You fail to "comprehend" seeing it because your attention isn't focused. Your mind has wandered elsewhere.
Inattention blindness
72
Which of the following statements is true about texting while driving?
The effects of texting while driving are the same as being intoxicated.
73
That type of special cargo vehicle is designed to haul long, narrow cargo?
pole trailer
74
In a high center-of-gravity vehicle, the majority of the weight is high off the ground, so the greatest danger is that
the vehicle tendency to tip
75
For vehicles with a high center of gravity, how should the heaviest cargo be loaded for improved handling?
Low in the trailer and toward the front
76
What type of cargo are low-clearance vehicles designed to haul?
both a and c
77
What is something you can do to help keep your Driver Fitness BASIC score low
Maintain a valid and appropriate license
78
Carrier interventions can be triggered by:
a carrier receiving scores that exceed thresholds in one or more BASICs.
79
What happens to you if the FMCSA intervenes against your carrier?
Your individual CSA scores will be reviewed, and you may face warnings or fines.
80
CSA is a driver and carrier monitoring and evaluation system that is designed to:
identify and intervene with drivers and carriers who are not in compliance with safety regulations.
81
Data collection, safety measurement, safety evaluation, and intervention are:
major components of the CSA system.
82
CSA data is collected from which of the following sources?
all of the above
83
The Hours-of-Service Compliance BASIC includes an out-of-service penalty. What other BASIC includes this penalty?
Hazardous Materials Compliance BASIC
84
On average, an idling truck uses about one gallon of diesel fuel every:
hour.
85
When transporting hazardous materials, you are required to carry____ that is immediately available to you and any entity responding to, or investigating, a hazardous materials incident.
emergency response information
86
Trailer seals are often used to deter theft and maintain cargo security. What type of seal is manufactured for one time use and typically made of plastic, wire, or thin strips of sheet metal marked with a serial number or an identifier?
indicative seal
87
What date should be entered on the bill of lading?
The exact date of delivery
88
How many states have engine idling laws
just under 1 quarter
89
This cargo securement device is placed on the exposed edge of an article to distribute tiedown forces over a larger area of cargo than the tiedown itself, to protect the tiedown and/or cargo from damage, and to allow the tiedown to slide freely when under tension.
Edge protection