Exploring Engine Types and Technologies

Which of the following is a characteristic of internal combustion engines?

• They use electric motors to generate power.

• They burn fuel within the engine to produce power.

• They rely solely on hydrogen as a fuel source.

• They do not produce any emissions.

What is a primary advantage of electric vehicle powertrains over traditional internal combustion engines?

• Higher fuel consumption

• Zero tailpipe emissions

• Greater noise production

• More complex mechanical systems

In a hybrid engine system, what is the role of the electric motor?

• To replace the internal combustion engine entirely

• To assist the internal combustion engine and improve fuel efficiency

• To increase the vehicle's weight

• To solely power the vehicle at all times

Which of the following is a characteristic of diesel engines?

• They use spark plugs for ignition.

• They have higher thermal efficiency compared to gasoline engines.

• They are primarily used in electric vehicles.

• They cannot operate at high altitudes.

What is a unique feature of rotary engine design?

• It uses pistons to convert pressure into a rotating motion.

• It has a circular rotor that rotates within a chamber.

• It relies on a linear motion to generate power.

• It is primarily used in diesel engines.

Which alternative fuel is commonly used in engines designed for reduced environmental impact?

• Coal

• Natural gas

• Leaded gasoline

• Kerosene

What is the main component of an electric vehicle powertrain that stores energy?

• Carburetor

• Battery pack

• Fuel tank

• Turbocharger

In hybrid vehicles, what is the purpose of regenerative braking?

• To increase the speed of the vehicle

• To convert kinetic energy into electrical energy

• To reduce the vehicle's weight

• To solely power the internal combustion engine

Which of the following is a disadvantage of diesel engines compared to gasoline engines?

• Lower fuel efficiency

• Higher emissions of nitrogen oxides

• Less torque production

• More frequent maintenance requirements

What type of fuel is used in hydrogen fuel cell vehicles?

• Diesel

• Hydrogen gas

• Ethanol

• Biodiesel