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WorksheetsWhy Do We Need Hybrid and Electric Vehicles?
Total questions: 46
Worksheet time: 33mins
Why are oil reserves diminishing?
Due to increased consumption and extraction
Because of natural replenishment
Owing to technological advancements
As a result of reduced demand
One reason for the increase in oil prices is:
increased demand
decreased supply
geopolitical tensions
all of the above
Which countries are mentioned as having growing oil consumption?
Conventional vehicles contribute to global warming because they:
emit greenhouse gases like CO2
use renewable energy sources
do not produce any emissions
cool the atmosphere
According to the pie chart, which sector contributes the most to recent world CO2 emissions?
A) Electricity and heat
B) Transport, including road vehicles
C) Industry
D) Residential
E) Other
Hybrid vehicles typically produce less CO2 emissions and pollution because:
they use a combination of an internal combustion engine and electric motor, which increases fuel efficiency.
they run solely on electric power, eliminating emissions entirely.
they use only renewable energy sources.
they have smaller engines compared to conventional vehicles.
Based on the graph, which type of vehicle energy source produces the least CO2 emissions?
A) Petrol
B) Diesel
C) Electricity
Which of the following exhaust emissions is a possible major contributor to global warming?
Oxides of nitrogen (NOₓ)
Hydrocarbons
Carbon monoxide (CO)
Carbon dioxide (CO₂)
Which of the following exhaust emissions is a possible major contributor to global warming?
Oxides of nitrogen (NOₓ)
Hydrocarbons
Carbon monoxide (CO)
Carbon dioxide (CO₂)
What is a hybrid vehicle?
A vehicle that uses more than one form of onboard energy to achieve propulsion.
A vehicle that runs solely on gasoline.
A vehicle that runs solely on electricity.
A vehicle that uses solar power only.
Which of the following are the most common types of power sources for hybrid vehicles?
A) Petrol and electricity
B) Diesel and solar
C) Gasoline and wind
D) Hydrogen and nuclear
What are vehicles that use electricity for one of the power sources known as?
Electric vehicles
Hybrid vehicles
Gasoline vehicles
Diesel vehicles
When was the first modern Hybrid Electric Vehicle (HEV) produced?
1987
1997
2007
2017
What is the function of a small internal combustion engine in a hybrid system?
To charge the battery pack
To drive the road wheels and/or a generator
To power the air conditioning system
To provide navigation assistance
Fill in the blank: An electric traction motor in a hybrid system is used to drive the wheels or ________ the battery pack.
charge
discharge
overheat
cool
The purpose of a high voltage battery pack in a hybrid system is to:
provide power to the electric motor
store energy for the internal combustion engine
reduce the overall weight of the vehicle
increase the fuel efficiency of the engine
Which component is responsible for controlling the hybrid system?
The main function of the electric motor in a Series Hybrid vehicle is to:
generate electricity for the battery
drive the wheels directly
assist the internal combustion engine
control the vehicle's speed
In a Series Hybrid vehicle, what component does the engine drive to charge the battery pack?
Generator
Transmission
Electric Motor
Fuel Cell
Which of the following paths are shown in the Series Hybrid diagram?
Mechanical path
Electrical path
Both A and B
None
What is the function of the engine in a Parallel Hybrid vehicle?
Drives the road wheels
Charges the battery pack
Both A and B
Explain how the Series Parallel Hybrid vehicle operates.
The Series Parallel Hybrid vehicle operates by using both an internal combustion engine and an electric motor, allowing for flexibility in power sources.
The Series Parallel Hybrid vehicle operates solely on an electric motor, with the internal combustion engine used only as a backup.
The Series Parallel Hybrid vehicle operates by using only an internal combustion engine, with the electric motor used for starting the engine.
The Series Parallel Hybrid vehicle operates by using solar power as its primary energy source.
What is a Micro Hybrid in hybrid vehicle component arrangements?
A type of hybrid vehicle with a small electric motor and battery
A vehicle that uses regenerative braking and start-stop technology
A fully electric vehicle with no internal combustion engine
A hybrid vehicle with solar panels for charging
Describe the functionality of a Mild Hybrid in hybrid vehicle component arrangements.
A mild hybrid uses a small electric motor to assist the internal combustion engine, improving fuel efficiency and reducing emissions.
A mild hybrid operates solely on electric power without any assistance from an internal combustion engine.
A mild hybrid uses a large battery pack to power the vehicle for long distances without the need for gasoline.
A mild hybrid is a type of hybrid vehicle that can be plugged in to recharge its battery.
A Full Hybrid in hybrid vehicle component arrangements is:
a vehicle that can run on just the electric motor, the internal combustion engine, or a combination of both.
a vehicle that only uses the electric motor for propulsion.
a vehicle that only uses the internal combustion engine for propulsion.
a vehicle that cannot switch between electric and combustion modes.
In which hybrid arrangement is the electric motor the main power source to drive the road wheels?
Micro hybrid
Series hybrid
Parallel hybrid
Mild hybrid
In which hybrid arrangement is the electric motor the main power source to drive the road wheels?
Micro hybrid
Series hybrid
Parallel hybrid
Mild hybrid
What is one advantage of hybrid vehicles?
They use more fuel
They produce more emissions
They use less fuel and produce less emissions
They are slower than conventional vehicles.
Fill in the blank: The hybrid engine is _______ than a conventional engine.
smaller
larger
heavier
less efficient
When is the engine of a hybrid vehicle switched off?
When the vehicle is accelerating
When the vehicle is stopped and traveling at low speed or downhill
When the vehicle is parked
When the vehicle is in reverse.
One advantage of hybrid vehicles related to braking is:
Improved fuel efficiency
Increased engine power
Reduced tire wear
Enhanced braking performance
Hybrid vehicles have complex computer systems to ensure both power sources are working in their most efficient range.
True
False
One disadvantage of hybrid vehicles compared to conventional vehicles is:
Higher initial cost
Lower fuel efficiency
More emissions
Less availability
Hybrid vehicles are heavier than conventional vehicles because:
they have larger engines.
they include additional components like electric motors and batteries.
they are made from heavier materials.
they have more seating capacity.
What makes hybrid vehicles more complex and expensive to repair?
The integration of both electric and combustion engine systems
The use of lightweight materials
The advanced infotainment systems
The aerodynamic design
What are some issues associated with the battery pack in hybrid vehicles?
Limited lifespan and high replacement cost
Increased fuel efficiency
Enhanced driving range
Reduced emissions
What type of brakes are conventional vehicles fitted with?
When the brakes are applied, the vehicle slows down and most of its kinetic energy is wasted as ____.
heat
sound
light
electricity
Hybrid and electric vehicles are fitted with hydraulic brakes and what other type of braking system?
The regenerative braking system captures and converts what into electricity?
Kinetic energy
Thermal energy
Chemical energy
Nuclear energy
How does the hybrid computer change the function of the electric motor in regenerative braking?
By increasing the efficiency of the electric motor
By converting the electric motor into a generator
By reducing the energy consumption of the electric motor
By enhancing the speed of the electric motor
When can the regenerative braking system be activated?
When the vehicle is accelerating
When the vehicle is braking
When the vehicle is parked
When the vehicle is in neutral
What does an electric vehicle (EV) use for propulsion?
Gasoline engine
Electric traction motor
Diesel engine
Steam engine
A 'pure' EV does not have a(n) (a) .
What powers the electric motor in an electric vehicle?
Solar panels
Wind energy
Battery pack
Combustion engine
How is the battery pack in an electric vehicle recharged?
By burning fuel
From the domestic electricity supply or during regenerative braking
Using wind turbines
Through solar panels
