NEW
Font size
S
M
L
XL
WorksheetsAdvanced Technologies Final Exam Review
Total questions: 60
Worksheet time: 30mins
Name
Class
Date
1.
Connected vehicles are able to perform which of the following functions?
a)
Social media communications
b)
Traffic updates
c)
Blind-spot warning
d)
All of these
2.
An autonomous vehicle can have up to how many driving levels?
a)
2
b)
3
c)
6
d)
7
3.
Autonomous vehicles are being discussed. Technician A says that vehicle-to-vehicle communication results in fewer traffic collisions. Technician B says that there are concerns related to cybersecurity and a loss of privacy. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
4.
Radar is being discussed. Technician A says that the purpose of radar is to determine the object's position relative to the vehicle. Technician B says that radar works poorly in foul weather. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
5.
Ultrasound on an autonomous vehicles is being discussed. Technician A says that it is typically used in park-assist applications. Technician B says that it has an effective operating range of approximately 2 to 4 yards. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
6.
Dedicated short-range communication is used in ________.
a)
vehicle-to-vehicle communication
b)
vehicle-to-infrastructure communication
c)
Both vehicle-to-vehicle communication and vehicle-to-infrastructure communication
d)
Neither vehicle-to-vehicle communication nor vehicle-to-infrastructure communication
7.
Actuators in an autonomous vehicle are used to control the ________.
a)
steering
b)
engine
c)
brakes
d)
All of these
8.
Which of these is a characteristic of an autonomous vehicle?
a)
Makes decisions on where the vehicle is allowed to go
b)
Warms the engine in the morning
c)
Controls the vehicle only during highway driving
d)
Makes navigation decisions without driver input
9.
To ensure proper operation, the radar unit should be ________ when needed.
a)
cleaned
b)
painted
c)
polished
d)
covered
10.
What may be required to properly calibrate the vehicle camera system?
a)
Painted lines on the floor
b)
Large patterned mats
c)
Small mirrors
d)
None of these
11.
A LIDAR system uses ________ to detect objects.
a)
triangulation
b)
light pulses
c)
radio energy
d)
sound waves
12.
What will happen if there is a fault in any of the actuators in an autonomous vehicle?
a)
DTCs will be set
b)
The system will enter a fail-safe mode
c)
Both DTCs will be set and The system will enter a fail-safe mode
d)
Neither DTCs will be set nor The system will enter a fail-safe mode
13.
On an autonomous vehicle, navigation decisions are mad by the ________.
a)
actuators
b)
brake-by-wire system
c)
LIDAR controller
d)
multi-domain controller
14.
________ allows the computers to learn and react like a human.
a)
Artificial intelligence
b)
The multi-domain controller
c)
RADAR
d)
The steer-by-wire system
15.
Radar systems use ________ to calculate the speed and distance of objects.
a)
mirrored discs
b)
vibration returns
c)
flashing LEDs
d)
the Doppler Effect
16.
Which type hybrid uses 36 to 42 volts?
a)
Medium hybrid
b)
Strong hybrid
c)
Mild hybrid
d)
Full hybrid
17.
Which type of hybrid is capable of propelling the vehicle by just using the electric motor?
a)
BAS type
b)
Strong (full) hybrid
c)
Mild hybrid
d)
Medium hybrid
18.
Which type of hybrid electric vehicle has idle stop operation?
a)
Strong hybrids only
b)
Mild hybrids only
c)
Medium hybrids only
d)
Strong, mild, and medium hybrids
19.
On a vehicle equipped with a belt-alternator-starter (BAS) hybrid system, the alternator is also used to ________.
a)
pump refrigerant
b)
assist steering effort
c)
circulate the coolant
d)
start the engine
20.
Technician A says that most hybrids use the series hybrid design. Technician B says that most hybrids have 42 volt batteries. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
21.
Electric motors are better than an internal combustion engine to propel a vehicle because ________.
a)
they produce high torque at low speeds
b)
they are quiet
c)
they do not burn fuel and therefore do not release carbon dioxide into the environment
d)
All of these are correct
22.
All of the following are characteristic of a hybrid electric vehicle (HEV) EXCEPT ________.
a)
high voltages (safety issue)
b)
lower amount of carbon dioxide released into the atmosphere
c)
lower fuel economy
d)
quiet
23.
Technician A says that most hybrids require that they be plugged into an electrical outlet at night to provide the electrical power to help propel the vehicle. Technician B says that the internal combustion engine in an HEV will often stop running when the vehicle is stopped. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
24.
Technician A says that a major limitation of electric vehicles is their short range. Technician B says that a major advantage of electric vehicles is their quiet operation. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
25.
Which type of motor or engine produces more torque at lower speed?
a)
Hydro-generator
b)
Electric motor
c)
Gasoline motor
d)
Air motor
26.
The abbreviation HEV stands for ________.
a)
high energy voltage
b)
heated electrolyte valve
c)
hybrid electric vehicle
d)
None of these are correct
27.
Technician A says that full hybrid electric vehicles need to be plugged into a standard AC electrical outlet to charge. Technician B says that the high voltage battery in an HEV uses a generator driven by the internal combustion engine for recharging. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
28.
In a series hybrid vehicle, the internal combustion engine drives the vehicle only when increased horsepower is needed.
a)
true
b)
False
29.
Which of these is NOT an advantage of a series hybrid design?
a)
A single-speed gearbox can be used
b)
Smaller internal combustion engine
c)
No transmission is necessary
d)
All of these are advantages of the series hybrid design
30.
Technician A says that in a parallel hybrid design, only the electric motor is connected to the transmission. Technician B says that in a parallel hybrid design, the vehicle can be propelled by the electric traction motor, the internal combustion engine, or both. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
31.
Rubber gloves should be worn whenever working on or near the high-voltage circuits or components of a hybrid electric vehicle. Technician A says that the rubber gloves should be rated at 1000 volts or higher. Technician B says that leather gloves should be worn over the high-voltage rubber gloves. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
32.
A CAT III certified DMM should be used whenever measuring high-voltage circuits or components. The CAT III rating relates to ________.
a)
high voltage
b)
high energy
c)
high electrical resistance
d)
Both high voltage and high energy
33.
All of the following will shut off the high voltage to components and circuits EXCEPT ________.
a)
removing the main fuse, relay, or HV plug
b)
turning the ignition off
c)
disconnecting the 12-volt auxillary battery
d)
opening the drivers door
34.
If the engine is not running, technician A says that the high-voltage circuits are depowered. Technician B says that all high voltage wiring is orange in color. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
35.
Two technicians are discussing jump starting a hybrid electric vehicle. Technician A says that the high-voltage batteries can be jumped on all HEV models. Technician B says that the 12-volt auxillary battery can be jumped using a conventional jump box or jumper cable. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
36.
What can occur if a hybrid electric vehicle is pushed in the shop?
a)
High voltage will be generated by the motor/generator
b)
The HV battery pack can be damaged
c)
The tires will be locked unless the ignition is on
d)
Damage to the electronic controller can occur
37.
Technician A says that all components in the high voltage battery box are completely insulated from the rest of the vehicle for safety. Technician B says that the high voltage battery box is located under the hood in some vehicles. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
38.
The high voltage cables ________.
a)
Are energized during events where the ignition switch is in the "on" position
b)
are orange in color
c)
Both are energized during events where the ignition switch is in the "on" position and are orange in color
d)
Both are energized during events where the ignition switch is in the "on" position and are orange in color
39.
Technician A says that when a hybrid electric vehicle must remain in the shop for over a month, the battery should be charged by running the vehicle if possible. Technician B says that if the battery unit must be removed, it should be handled with PPE and always tested for voltage and treated with care. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
40.
What is TRUE regarding protective gloves worn during HV system service?
a)
Leather gloves are worn over the rubber gloves to protect the rubber from damage
b)
Rubber gloves should be checked for leaks before each use
c)
Both Leather gloves are worn over the rubber gloves to protect the rubber from damage and Rubber gloves should be checked for leaks before each use
d)
Neither Leather gloves are worn over the rubber gloves to protect the rubber from damage nor Rubber gloves should be checked for leaks before each use
41.
Technician A says that the that HV battery is grounded to the vehicle chassis. Technician B says that the HV battery and cables are completely insulated and isolated from the rest of the vehicle. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
42.
Technician A says that a completely assembled electric motor is not likely to produce injury by electrical shock. Technician B says that turning off the ignition on an HEV causes the system main relay to disable the high voltage system. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
43.
What is the recommended location to store a HEV ignition key during service?
a)
Top of the technician's tool box
b)
leave the key in the ignition
c)
In the vehicle glove box
d)
Lock box
44.
Some hybrid air conditioning systems use an electrically driven compressor that uses a special lubricant. What precaution should be taken when servicing these systems?
a)
Low pressure pump
b)
Extra refrigerant filters
c)
A special gauge set
d)
A dedicated recycling machine for the HEV
45.
Servicing the base brakes on a hybrid vehicle requires the technician to ________.
a)
disconnect the brake regeneration cables
b)
replace the pads when needed, just as on any other vehicle
c)
de-power and disconnect the HV battery
d)
None of these
46.
A fuel cell produces electricity from ________ and ________.
a)
hydrogen; oxygen
b)
nitrogen; hydrogen
c)
water; oxygen
d)
gasoline; oxygen
47.
What are the by-products (emissions) from a fuel cell?
a)
Nonmethane hydrocarbon
b)
CO
c)
CO2
d)
Water vapor
48.
Which type of fuel cell is the most likely to be used to power vehicles?
a)
PEM
b)
SOFC
c)
PAFC
d)
MCFC
49.
Which liquid fuel could be used to directly power a fuel cell?
a)
Ethanol
b)
Unleaded gasoline
c)
Methanol
d)
Biodiesel
50.
Which is NOT a function of an ultracapacitor?
a)
Can pass DC current
b)
Can be charged with DC current
c)
Discharges DC current
d)
Can pass AC current
51.
Hydrogen storage tanks are usually constructed from ________.
a)
steel
b)
aluminum
c)
carbon fiber
d)
Both aluminum and carbon fiber
52.
Which energy sources are currently being used to help reduce the use of fossil fuels?
a)
Hydrogen
b)
Wind power
c)
Hydroelectric power
d)
Both Wind power and Hydroelectric power
53.
What is the most abundant element on earth?
a)
Nitrogen
b)
Hydrogen
c)
Water
d)
Oxygen
54.
How energy-efficient is a typical internal combustion engine?
a)
5-10%
b)
15-20%
c)
40-60%
d)
None of these are correct
55.
Technician A says that fuel cells are categorized according to the type of electrolyte used. Technician B says that all fuel cells operate most efficiently at 500 deg F. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
56.
What type of electrical current does a fuel cell generate?
a)
Direct current
b)
Alternating current
c)
Both Direct current and Alternating current
d)
Neither Direct current nor Alternating current
57.
What term describes the process of passing electrical current through water to break it into oxygen and hydrogen?
a)
Electric induction
b)
Electrolysis
c)
Hydro division
d)
None of these
58.
Technician A says that fuel cell vehicles may use an electric storage device. Technician B says that fuel cell vehicles that use a storage device to help power the vehicle are called fuel cell hybrid vehicles. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
59.
According to the text, what gas can disable the catalyst if it contaminates the PEM fuel cell?
a)
N2O
b)
NOx
c)
CO2
d)
CO
60.
Technician A says that fuel cells produce large amounts of heat. Technician B says that fuel cell energy production creates "low grade" heat. Which technician is correct?
a)
Technician A only
b)
Technician B only
c)
Both Technician A and Technician B
d)
Neither Technician A nor Technician B
Reset
