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WorksheetsDOT Lighting Quiz
Total questions: 36
Worksheet time: 41mins
What are the different types of DOT lighting?
Headlights, tail lights, brake lights, and turn signals
Neon lights, LED lights, and fluorescent lights
Spotlights, floodlights, and strobe lights
Candles, flashlights, and lanterns
Explain the differences between LED, halogen, and HID DOT lighting.
LED, halogen, and HID DOT lighting differ in terms of energy efficiency, lifespan, and light output.
LED, halogen, and HID DOT lighting all have the same energy efficiency and lifespan.
LED, halogen, and HID DOT lighting all have the same color temperature.
LED, halogen, and HID DOT lighting all produce the same amount of light output.
What are the regulations for DOT lighting in the United States on visibility distance?
200'
500'
50'
100'
Why is it important to comply with DOT lighting regulations?
To save money on lighting costs
To ensure safety on the road for all drivers and pedestrians.
To annoy other drivers
To make the roads look prettier
How does DOT lighting contribute to road safety?
DOT lighting increases the risk of accidents
DOT lighting causes distractions for drivers
DOT lighting improves visibility for drivers
DOT lighting has no impact on road safety
What are some common maintenance practices for DOT lighting?
Ignoring maintenance completely
Never replacing bulbs or components
Regular cleaning, inspection for damage or wear, and replacement of bulbs or other components as needed.
Using any type of cleaning solution on the lights
What are the recent advancements in DOT lighting technology?
Advancements in oil lamp technology
Advancements in candle lighting technology
Advancements in LED technology, smart lighting systems, and improved energy efficiency
Advancements in horse-drawn carriage lighting systems
Compare and contrast the efficiency of LED and halogen DOT lighting technologies.
Halogen lighting is more efficient
LED and halogen lighting have the same efficiency
Efficiency is not a factor in choosing between LED and halogen lighting
LED lighting is more efficient
What is required for a load that is over the vehicle frame by 4 feet or more?
DOT notification
Visibility flag
Spotter
Spot lights
What are the benefits of using LED DOT lighting over traditional halogen lights?
LED lights have a shorter lifespan
LED lights are less energy efficient
LED lights have a longer lifespan and are more energy efficient
There are no benefits of using LED lights over halogen lights
What are the penalties for not complying with DOT lighting regulations?
There are no penalties for non-compliance
Fines and possible vehicle impoundment
Just a warning
Immediate jail time
What is the impact of DOT lighting on energy consumption?
DOT lighting increases energy consumption
DOT lighting has no impact on energy consumption
DOT lighting reduces energy consumption
DOT lighting's impact on energy consumption varies depending on the type of lighting used
What are the potential hazards of not maintaining DOT lighting properly?
There are no potential hazards
Improper maintenance can lead to reduced visibility and increased risk of accidents
Improper maintenance can lead to increased energy consumption
Improper maintenance can lead to a shorter lifespan for the lights
Auxiliary driving lamps and/or front fog lamps may be used in the place of headlamps
true
false
The rear clearance lights are required to be what color
White
Red
Yellow
Blue
1. The front clearance lights are required to be what color?
Amber
Red
Yellow
Clear
1. Headlamps may not be less than ______ nor more than ______ from the road surface.
a. 20”/40”
a. 21”/50”
a. 24”/54”
a. 23”/55”
1. Headlamps shall provide an ________ and _________ beam distribution of light, selectable at the driver’s will and be steady burning.
High and Low
Left and Right
Front and Rear
Side to Side
1. According to FMVSS 121, cracks in the windshield over ______ wide, are considered Out-of-Service (OOS).
3/4"
3/16"
11/32"
4/32"
1. Tech A says that if there is only one windshield wiper, it needs to be operational. Tech B says that any power unit that has an inoperative wiper, missing or damaged parts that render the wiper ineffective are considered to be OOS. Based on what the Federal Code of Regulations states, who is correct:
a. Tech A
a. Tech B
a. Both A and B
a. Neither A or B
This component meters the quantity of EGR flow into the intake mannifold
DPF
SCR
EGR mixer
EGR valve
According to FMVSS 121 Ch. III, sub chapter B, App G exhaust system determined to be leaking at a point _______ of or ________ _____ the drivers/sleeper compartment is considered Out-of-service.
(a)
Name the 2 sides of a turbo
compressor
injector
turbine
exhaust
1. CAC failures can lead to
Air inlet restriction
Excessive emissions
High exhaust and cylinder temperatures
All of the above
Failures of the coolers due to cracking is caused by frequent ___________ and contraction.
Stop and go traffic
Thermal expansion
Flyer miles
Rest stops
What is the primary function of the Diesel Particulate Filter (DPF) in a vehicle's exhaust system?
To reduce the vehicle's fuel consumption
To monitor the exhaust gas temperature
To filter out particulate matter from the exhaust gas
To add a pleasant fragrance to the exhaust emissions
How can soot- and ash-loaded diesel particulate filters affect an engine exhaust system?
They improve fuel efficiency
They cause exhaust backpressure
They reduce engine noise
They enhance exhaust flow
What is the function of the SCR Catalyst in an engine exhaust system?
Reduces nitrogen oxides to nitrogen and water
Filters particulate matter from exhaust gases
Converts carbon monoxide to carbon dioxide
Injects diesel exhaust fluid into the system
Which component in the engine exhaust system is responsible for filtering particulate matter?
SCR Catalyst
DPF Catalyst
Oxidation Catalyst
DEF Doser
What role does the DEF Doser play in the engine exhaust system?
Reduces nitrogen oxides to nitrogen and water
Filters particulate matter from exhaust gases
Injects diesel exhaust fluid into the system
Converts carbon monoxide to carbon dioxide
What do Diesel Particulate Filters (DPFs) remove from diesel exhaust, rendering the exhaust completely smokeless?
Soot and other solid particles
Carbon dioxide and water vapor
Nitrogen and oxygen
Sulfur dioxide and methane
DPFs: The filter eventually becomes _______; regeneration clears out the filter.
clogged
clean
wet
loose
For passive regeneration to occur, the vehicle must be at least how many mph for 20 minutes?
20 mph
25 mph
30 mph
35 mph
What is the primary purpose of a DPF (Diesel Particulate Filter)?
To remove soot and other solid particles from diesel exhaust, rendering the exhaust completely smokeless.
To increase the fuel efficiency of diesel engines by optimizing combustion.
To reduce the noise produced by diesel engines during operation.
To convert nitrogen oxides into harmless nitrogen and oxygen gases.
What is the generic name of the ammonia-containing liquid used in SCR to destroy NOx molecules? (Fill in the blank)
DEF
Urea
AdBlue
Diesel
What is the process called that cleans the DPF by purging soot from the filter?
Regeneration.
Filtration.
Oxidation.
Compression.
