MN CDL Section B_1_2_3 Flashcards
1
Q
GCWR
A
The value specified by the manufacturer of the power unit, if the value is displayed on the Federal Motor Vehicle safety standard certication label OR the sum of the gross vehicle weight ratings (GVWR)’s OR the gross vehicle weights (GVW)’s of the power unit and the towed unit(s), or any combination thereof, that produces the highest value
2
Q
Blood Alcohol rules for CMV
A
- Driving a CMV if blood alcohol concentration is 0.04% or higher
- Lose CDL for one year if refuse, etc. Lose for 3 years if CMV with Hazard Material
- Lose for life if second offense, commit a felony involving controlled substances
- Put out of service for 24 hours if detectable but less than 0.04%
3
Q
Serious traffic violations
A
- Excessive speeding > 15mph over limit
- Reckless driving
- Improper or erratic lane changes, following too close
- Fatal traffic crashes, driving a CMV without proper CDL or endorsements
- Lose CDL for 60 days after two serious violations, 120 days for more
4
Q
Violation of out of service orders
A
Lose CDL for 90 days first violation. >1 year on second. >3 year on third
5
Q
Railroad highway crossing violations
A
Lose CDL for 60 days first violation. 120 days second violation. For 1 year on third violation
1. Even if driver does not have to stop, they should slow and search that tracks are clear of approaching trains
6
Q
Personal vehicle violations implications for CDL
A
- If personal vehicle license has been revoke/suspended, so is the CDL
- If personal vehicle license has been revoke/suspended because of alcohol, drugs, felony violations, CDL is suspended for 1 year
- For second violation of#2, lose CDL for life
7
Q
What is IVDR:
What is the Purchase Record that comes with that?
What are these for:
International Registration Plan (IRP)-license to cmv
International Fuel Tax Agreement (IFTA)-license to motor carrier
A
- Purpose: Allow a motor carrier to license in a base jurisdiction for the reporting and payment of motor fuel use taxes
- Mandatory record keeping requirements: IVDR: Individual Vehicle Distance Record. Ie. Driver Trip Report
- Info required: Start/Ending date, odeometer readings, location. Route, total distance, in jursiction distance, VIN.
- Purchase record: receipt date, sellers name and address, number of gallons, fuel type, Sale, VIN, purchasers name
8
Q
Medical documentation requirements
A
- Drivers operating in certain types of commerce will be required to submit a current medical examiners certificate to your SDLA (State Drivers License Agency)
- There could be different requirements if operating as Interstate (federal rules or Intrastate)
- There is a second qualifyer: Excepted or Non-Excepted. Excepted are for a minority of special exception cases like emergency vehicles, non ordinary commerce.
- Most CDL holders who drive CMV’s in interstate commerce are non-excepted interstate drivers and therefore are required to provide a current medical examiners certificate (DOT CARD)
9
Q
Phase of vehicle inspection
A
- Pre-trip inspection
- During a trip
- Post-trip inspection (Fill out vehicle condition report listing any problems)
10
Q
Bus rules for refurbished tires
A
Re-grooved, recapped, or retreaded tires on the front wheels of a bus are PROHIBITED
11
Q
Mixing different types of tires rules
A
Radial and bias-ply tires should not be used together
12
Q
Rust around wheel nut indicates?
A
Nuts could be loose
13
Q
Rim repair with welds
A
Welding repairs on rims are not safe
14
Q
Broken leaf spring rules
A
Any leaf defect could be dangerous, but 25% or more is a for sure “out of service” tag
15
Q
Proper light/reflector colors
A
- Front: ID lights & reflectors - Amber. Turn signals-Amber/White
- Rear: ID lights & reflectors - Red. Turn signals-Red/Yellow/Amber
16
Q
Load inspection schedule during operation
A
- Inspect securement within first 50 miles of trip
2. After that, every 150 miles or every 3 hours (which ever comes first)
17
Q
What is the most important reason for doing a vehicle inspection?
A
Safety is the most important reason you your vehicle
18
Q
What things should you check during a trip?
A
- Gauges
- Senses (look, listen, smell, feel)
- During a stop: Tires, wheels, rims, brakes, lights, reflectors, brake/electrical connections to trailer, trailer coupling devices, cargo securement devices
19
Q
Name some key steering system parts
A
Tie rods, steering wheel, steering shaft, power steering cylinder, steering arm, spindle, steering knuckle, drag link, pitman arm, gear box, reservoir
20
Q
Name some suspension defects
A
- Spring hangers that do not secure axle in proper position
- Cracked spring hanger
- Missing or broken leafs
- Leaking shock absorbers
- Torque rod damage
21
Q
What are 3 types of emergency equipment you must have?
A
- Fire extinguisers
- Electrical fuses (unless breakers exist)
- Warning devices ( 3 reflective triangles OR >6 fuses OR >3 liquid burning flares
22
Q
What is the minimimum tread depth for front tires? Other tires?
A
Front tires > 4/32” thread depth in each groove (1/8”)
Other tires > 2/32” thread depth in each groove (1/16”)
23
Q
Name some things you should check on the front of the vehicle during the walk around inspection
A
- Front axle
- Condition of steering system (grab system to test for loseness)
- Windshield
- Lights and reflectors
24
Q
What should wheel bearing seals be checked for?
A
Leaking
25
How many red reflective triangles should you carry?
3
26
How do you test hydraulic brakes for leaks?
Pump break 3 times, and hold down for 5 seconds. Pedal should remain still
27
Why put the starter switch key in your pocker during the pre-trip inspection?
So nobody could start vehicle while performing the walk around inspection
28
Steering wheel play that is considered a defect or dangerous
Play of > 10 degrees (2" movement at rim of 20" wheel)
29
Skip
Skip
30
Skip
Skip
31
Skip
Skip
32
Which side do you want to back up towards
Back and turn on the drivers side because you can see better
33
Manual transmission with unsynchronized transmissions require what with clutch?
Driver needs to double clutch: clutch, move to neutral, let engine speed match wheel speed, clutch again, go to the gear desired
34
How does driver know when to upshift or downshift?
Tachometer, speedometer, and eventually the noise once you practice
35
What are the four types of retarders?
Exhaust, Engine, Hydraulic, and Electric
36
If stopped on a hill, how to prevent rolling backwards
1. If you have manual transmission, use clutch to apply partial power
2. Use parking brake
3. If present, use trailer hand brake
37
Why to use a helper when backing up
1. The helper should be in back and have visibility to the drivers blind spots
2. Driver should be able to see helper and agree on a "stop" signal
38
What are two special conditions where you should downshift
1. When going down a hill
| 2. When going into a curve
39
When should you downshift automatic transmissions
Select a low gear range to get greater engine braking when going down steep grades
40
Retarders keep you from skidding when the road is slipper (True or False)
False : retarders are designed to slow the vehicle
41
How far ahead a driver should be looking (in time to get there)
12-15 seconds
42
Convex mirror properties
1. They show a wider view, but everything appears smaller and farther away
2. The convex shape shows a wider view in back , flat mirrors view is closer to back of vehicle
43
Placement of emergency warning devices on a one-way or divided highway
Behind vehicle: 10', 100', 200'
44
Placement of emergency warning devices on a two way or undivided highway
One in front of vehicle: 100'
| Two behind vehicle 10' , 100'
45
Placement of emergency warning devices when in front of a curve, hill, or obstruction
Line of sight out to 500'
46
Total stopping distance is a summation of:
1. Perception distance: Distance traveled while the eye sees something and brain processes it (1.75 sec)
2. Reaction distance: Distance traveled between realizing you need brakes, to actually pressing the brake pedal (1.00 sec)
3. Braking distance: 216' at 55mph
47
Effect on striking power at a given speed
Striking power increase as square when doubled
48
Empty vehicles - effects on braking
Braking is reduced, trucks are designed to be loaded. With an empty vehicle, traction decreases
49
Amount to reduce speed on wet road, packed snow, icy
reduce by 1/3 on wet roads, 50% on packed snow, crawl on everything else
50
Signs of slippery surfaces
1. Shaded areas
2. Bridges
3. Melting ice
4. Black ice
5. Vehicle icing
6. Standing water
7. Hydroplaning
51
What are two main things to look for when looking ahead?
1. knowing what traffic is doing
| 2. knowing if you have room to make moves (lane changes, etc)
52
What is your most important way to see the sides and rear of your vehicle
Mirrors
53
What does "communicating" mean in safe driving
Signaling your intentions throught blinkers or tap on brakes, or if really slow, 4 way emergency flashers
54
What is hydroplaning?
Like water skiing, tires loose contact. Worse for poor condition/worn tires/low tire pressure
55
What is black ice
A thin layer of ice that you can see through, the road looks wet
56
What is the most important space around a vehicle?
The Front of the vehicle
57
How much distance (in time) should the vehicle in front of you be @ <40mph
1 second for each 10 feet of vehicle length
58
How much distance (in time) should the vehicle in front of you be @ >40mph
1 second for each 10 feet of vehicle length PLUS one second
59
How to count seconds
One thousand and one, one thousand and two
60
If being tailgated, what should you do?
1. Avoid quick changes
2. Increase following distances
3. Don't speed up
4. Avoid tricks
61
Should you avoid driving along side others?
True: Wind, and changes make traveling along side other big vehicles dangerous
62
When making a right turn that is tight
Avoid going into left lane, stay close to the right side of road so no drivers attempt to pass on right
63
When making a left turn
1. Make sure you have reached the center of the intersection
2. If two lanes, always take the right lane when turning, otherwise off tracking will cause the rear of trailer to cross into left lane
64
Changing lanes in roundabouts
Do not change lanes once in a roudabout
65
Definition of "move over laws"
When approaching an authorized emergency vehicle stopped on a roadside or a workzone
1. Slow down
2. Yield right away by making lane change away from lane directly near emergency or road work., if not possible, slow down and be cautious
66
Speed limit signs are for these types of vehicles
Automobiles, they may be too high for large vehicles
67
If hazards escalate, they…
Turn into emergencies
68
Definition of a hazard
Any road condition or other road user that is a possible danger
69
Seeing hazards earlier allow ….
You will have more time to act to prevent emergencies
70
Definition of a distraction
Anything that takes your attention away from driving
71
Examples of inside distrations
1. Talking to passengers
2. Radio
3. Eating, drinking, smoking
4. Reading maps or literature
5. Telematics (phones, cb, etc)
6. Day dreaming, mental distractions
72
Examples of outside distractions
1. Moving traffic
2. Pedestrians
3. Police activity, accidents
4. Road construction
5. Reading billboards or other advertisements
6. Sunset, Sunrise
73
Type of distractions
1. Physicial
2. Mental
3. Both
74
Using a hand-held phone means one of the following, and is a violation
1. Using at least one hand to hold device
2. Dialing a mobile telephone by pressing more than one button
3. Moving from a seated, secured position
75
1. Length of CDL disqualification time after 2 or more convictions of hand held mobile phone rules or text rules (no text or WWW allowed)
2. Fine:
1. 60 days for 2nd offense within 3 years
2. 120 days for three or more offenses within 3 years
3. Every violation (including the first) is $2,750 fine
76
What are some tips to follow so that you will not become a distracted driver
1. Turn off all communication devices
2. IF you must use a mobile phone, make sure to do so in a compliant way
3. Do not text or read text
4. Familiarize yourself with vehicle features and equipment before getting behind wheel
5. Adjust vehicle controls and mirrors
6. Pre-program radio stations, preload CD's
7. Review maps and program GPS prior to leaving
8. Avoid smoking, eating, and drinking
9. Don't get involved in complex or emotionally intense conversations with occupants
77
How do you recognized a distracted driver?
1. Vehicles that drift over the lane dividers
2. Inconsistent speeds
3. Preoccupied drivers (maps, food, cigerettes, cell phones)
4. Drivers who appear to be involved in conversations with passengers
78
What is the difference between aggressive driving and road rage
Aggressive driving: Operating a motor vehicle in a selfish, bold or pushy manner without regard for rights or safety of others
Road rage: Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle
79
What should you do when confronted with an aggressive driver?
1. Get out of way
2. Eliminate pride and ego
3. Avoid eye contact and gestures
4. Report aggressive drivers to authorities when safe
80
What are some things you can do to reduce your stress before and while you drive?
1. Easy listening music
2. Do not get distracted
3. Be realistic about travel time, if you are going to be late, deal with it
4. Give other drivers the benefit of the doubt
5. Slow down, keep your distance
6. Avoid gestures
7. Be cautious and courteous, if a driver is eager to get in front of you, gladly let them
81
Tinted or dark glasses at night
Do not use them
82
Most common time for drowsiness
Midnight to 6:00am and mid afternoon. Or whenever you normally sleep
83
Distance to dim bright lights
1. 1000' for on coming traffic
| 2. 200' when following another vehicle
84
Frequency to check tires in hot weather
Every 2 hours or 100 miles
85
You should use low beams whenever you can: True or False?
FALSE
86
What should you do before you drive if you are drowsy
Sleep is the only cure
87
What effects can wet brakes cause? How can you avoid these problems
Wet brakes can cause the brakes to be weak, to apply unevenly, or to grab
88
You should let air out of hot tires so the pressure goes back to normal: True or False?
FALSE
89
You can safetly remove the radiator cap as long as the engine is not over heating: True or False?
FALSE
90
Passive railroad crossings
Crossings with no traffic control device
91
Active railroad crosssings
Crossings with traffic control such as flashing red lights, with/without bells, gates
92
What CDL is required to stop at a RR crossing?
All passenger and hazmat
93
No passing on these type of RR crossings
2 lane roads
94
If the CDL has to stop for RR crossing, how far back?
1. Before white line
| 2. 15' if no white line and no more than 50'
95
A full stop is required a RR crossings when
1. The nature of cargo makes a stop mandatory
| 2. Such a stop is otherwise required by law
96
When stopping for a RR crossing do the following:
1. Check for traffic behind you while stopping gradually, use pull out lane, if available
2. Turn on four way emergency flashers
97
If there is an emergency at a RR crossing (stuck on a raised track)
1. Get out of vehicle
| 2. Call 911, give location using identifiable landmarks, especially the DOT number if posted
98
What factors determine your selection of a "safe" speed when going down a long steep downgrade?
1. Total weight of vehicle
2. Length of grade
3. Steepness of the grade
4. Road conditions
5. Weather
99
Why should you be in the proper gear before starting down a hill
1. May not be able to shift into a lower gear, may not be able to get back into any gear
100
Describe the proper braking technique when going down a long, steep down grade
1. Engine braking should be the primary braking mechanism
2. Apply brakes to 5 mph below safe limit, release (should be about 3 secs)
3. When speed is back up to safe limit repeat #2
101
What type of vehicles can get stuck on a RR crossing?
1. Low slung units (lowboy, car carrier, moving van, possum-belly livestock trailer)
2. Single axle tractor with a long trailer with its landing gear set to accommodate a tandem-axle tractor
102
How long does it take for a typical tractor-trailer unit to clear a double track?
1. 14 seconds to clear a single track
| 2. 15 seconds to clear a double track
103
Traffic emergency definition
Two vehicles are about to collide
104
Vehicle emergency definition
Tires, brakes, or other critical parts fail
105
A quick steering action to avoid a collusion needs to have a what planned for
A counter steer. The steer, counter steer action should be one continuous step
106
"Stab Braking" definition (in emergency situations)
1. Apply brakes all the way to lock up
2. Release brakes
3. As soon as wheels start rolling again, apply brakes again
107
Two reasons for hydraulic brake failure
1. Loss of hydraulic pressure
| 2. Brake fade on long hills
108
ABS requirements for trucks
1. All newer vehicles with air brakes
| 2. Hydraulic braked vehicles > 10,000Lbs
109
Most important advantage of ABS
Driver can steer during heavy braking. ABS helps avoid lock up
110
How to correct drive wheel skids
1. Stop braking
2. Countersteer
3. Push clutch in
111
How to correct front wheel skids
Let off brakes
112
Stopping is not always the safest thing to do in an emergency? True or False?
True
113
What are some advantages of going right instead of left around an obstacle?
1. Less likely to hit on coming traffic
2. No one passing on right
3. Even if somebody is on right, you avoid head on collisions
114
What is an "escape ramp?"
Ramps made of soft gravel or are uphill or some combination. Designed to slow vehicle when brakes are failing
115
If a tire blows out, you should put the brakes on hard to stop quickly, True or False?
False-you could lose control of vehicle
116
How do you know if your vehicle has antilock brakes?
1. Trucks have ABS malfunction lights on instrument panel
| 2. Trailers have yellow ABS malfunction lamps on the left side, front or rear corner
117
What is the proper braking technique when driving a vehicle with antilock brakes?
If all axles have ABS, just hold brake pressure, if all axles do not have ABS, stop as you normally would, press brakes to slow and observe for skids
118
How do antilock brakes help you?
ABS prevents wheels from locking up, therefore, allowing driver to stay in control
119
Three things to do in an accident
1. Protect the area
2. Notify authorities
3. Care for the injured
120
Class of fire A
Wood, paper, ordinary combustables. Extinguish by cooling and quenching with water or dry chemicals
121
Class of fire B
Gasoline or oil. Extinguish by smothering, cooling, or heat shielding using CO2 or dry chemicals
122
Class of fire C
Electrical Equipment Fires. Extinguish with non conductive agents CO2 and Dry Chemicals - DO NOT USE WATER
123
Class of fire D
Combustable metals. Specialized extinguishing powders
124
What are some things to do at an accident scene to prevent another accident?
1. Get to side of road
2. Park away from accident
3. Put on your flashers
4. Set out reflective triangles
125
Name two causes of tire fires
1. Under inflated tires
| 2. Dual tires that touch
126
What kinds of fires is a B:C extinguisher not good for?
Class A, wood or paper (but it will work), Class D
127
When using an extinguisher, should you get as close as possible to the fire?
No: False
128
Name some causes of vehicle fires
1. Fueled spilled
2. Improper use of flares
3. Electrical short circuits
4. Fuel: Loose connections, improper filling, driver smoking
5. Cargo
129
BAC means:
Blood Alcohol Content. 0.1 BAC = 1/10 of 1% of blood is alcohol
130
Definition of Hazardous Materials
Products that pose a risk to health, safety, and property during transportation
131
Hazard Class 1 (Name | Example)
Explosives | Ammunition, Dynamite, Fireworks
132
Hazard Class 2 (Name | Example)
Gases | Propane, Oxygen, Helium
133
Hazard Class 3 (Name | Example)
Flammable | Gasoline, Acetone
134
Hazard Class 4 (Name | Example)
Flammable Solids | Matches, Fuses
135
Hazard Class 5 (Name | Example)
Oxidizers | Ammonium Nitrate, Hydrogeon Peroxide
136
Hazard Class 6 (Name | Example)
Poisons | Pesticides, Arsenic
137
Hazard Class 7 (Name | Example)
Radioactive | Uranium, Plutonium
138
Hazard Class 8 (Name | Example)
Corrosives | Hydrochloric Acid, battery fluid
139
Hazard Class 9(Name | Example)
Miscellaneous Hazardous Materials | Formaldehyde, asbestos
140
Hazard Class NONE (Name | Example)
ORM-D (Other regulated material) Hair spray, charcoal
| Combustable liquids | fuel oils, lighter fluids
141
Intent of Hazardous Materials rules
1. Contain the risk
2. Communicate the risk
3. Ensure safe drivers and equipment
142
Rules for Hazerdous Material shipping papers
1. Driver must be able to easilly identify shipping papers related to hazardous materials
2. Keep papers on top of other shipping papers
3. Keep papers: In a pouch on drivers door, in clear view within reach while driving, on drivers seat when outside vehicle
143
of Placards required and minimum size
1. Each vehicle must have at least four (front, rear, both sides).
2. Must be at least 9.8 square inches
144
Hazardous Material Identification Numbers
Four digit code usd by first responders (proceded by a NA or UN)
145
Tank endorsement is required for these two situations:
1. Individual tank > than 119 gallons
| 2. Aggregate of 1000 gallon capacity
146
Common medicines for colds can make you sleepy. True or False
TRUE
147
What should you do if you become sleepy while driving?
Stop and sleep
148
Coffee and a little fresh air will help a drinker sober up. True or False
FALSE
149
What is a hazardous materials placard?
Placards are signs put on the outside of a vehicle that identy the hazard class of the cargo
150
Why are Placards used?
Placards warn others of hazardous materials.
151
What is sleep "debt"?
If you do not sleep enough, you "owe" more sleep to your body. The debt can only be paid by sleeping
152
What are the danger signals of drowsy driving?
1. Eyes close, or lose focus
2. Trouble keeping head up
3. Cannot stop yawning
4. Wandering disconnect thoughts
5. Do not remember driving last few miles
6. Drift between lanes, tailgate, or miss traffic signs
7. Keep jerking truck back into lane
8. Drifted off of road
153
GCWR
Gross Combination Weight Rating
1. The value specified by the manufacturer of the power unit (if the value is displayed on the federal motor vehicle safety standard certification label -FMVSS)
2. Sum of the gross vehicle weight ratings (GVWR)
3. Gross vehicle weights (GVW) of the power unit and the towed unit(s) or any combination therof that produces the highest value
154
Axle weight definition
The weight transferred to ground by one axle, or one set of axles
155
Tire load
The maximum safe weight a tire can carry at a specifie pressure - this rating is on the side of each tire
156
Bridge formula for weight ratings
Less maximum axle weight is allowed on brides when axles are close together
157
Balancing the weight across and back strategies
Center between wheels. Weight should be as low as possible. Lightest
158
Strap capacity requirements
Must be 1/2 of weight of cargo being secured
159
Header boards
Front-end header boards (headache racks) protect driver from cargo in case of a crash or emergency stop
160
Cargo needing special attention: Oversized loads
Over width, over weight loads require special transit permits. Usually within certain times, special equipment (wide load signs, flashing lights, flags, etc). These loads may require an escort, pilot vehicles, etc.
161
How often must you stop while on the road to check your cargo
1. The first 50 miles
2. After 3 hours or 150 miles
3. Every break taken by driver
162
How is gross combination weight rating different from gross combination weight?
One is a rating from the manufacturer and the other is actual weight
163
Name two situations where legal maximum weights may not be safe?
Livestock, Hanging meat, Dry bulk at represent changing or high center of gravities
164
What can happen if you do not have enough weight on the front axle?
The steering wheels are not held down suficiently to steer effectively
165
What is the minimum number of tie-downs for any flatbed load?
1. Should have a tie down every 10 feet of cargo
| 2. Must be at least two tie downs for a load
166
What is the minimum number of tie-downs for a 20 foot load
1. Should have a tie down every 10 feet of cargo
| 2. Must be at least two tie downs for a load
167
Name the two basic reasons for covering cargo on an open bed?
1. To protect people from spilled cargo
| 2. To protect the cargo from the weather
168
What must you check before transporting a sealed load?
Driver cannot inspect a seal load, but should check that "Gross Weight" and "Axle Weight Limits" to make sure to not exceed them
