Exam 35: Hybrid Vehicles

Technician A says hybrid vehicles have an electric water pump to circulate coolant through the heater core when the engine is stopped. Technician B says some hybrid vehicles have a hot coolant storage tank to provide heat for the passenger compartment when the engine is shut down. Who is correct?

General Motors eAssist system is based on a BAS system.

A gasoline engine provides more torque at lower speeds than an electric motor.

When a Toyota hybrid is driving on electric power, if more torque is needed, _____ is activated to start the engine.

On hybrids with a separate cooling system for the inverter and other electronics, what needs to happen if air is trapped in the cooling system?

In a Toyota Prius, what members of the planetary gearset are connected to the motor/generators?

Which of the following is NOT a component of the Toyota hybrid transaxle?

Technician A says a motor converts electrical energy into mechanical energy. Technician B says an engine converts chemical energy into mechanical energy. Who is correct?

_________ type hybrids and rely on power from both an electric motor and the engine.

All hybrids that have an electric motor inside the transmission.

Technician A says PVE refrigerant oil is commonly recommended for electric A/C compressors. Technician B says PAG refrigerant oil can be used in many electric A/C compressors. Who is correct?

What is the difference between a full hybrid and an assist hybrid?

What are the four main components of a typical hybrid system?

Nearly all hybrids have less powerful engines than typical non-hybrids. What feature of a hybrid provides power to allow the engine to overcome heavy loads?

What are the functions of the metal box that surrounds the high-voltage batteries in a hybrid vehicle?

Technician A says hybrid vehicles use electrically driven high voltage A/C compressors. Technician B says hybrid vehicles use engine driven A/C compressors. Who is correct?

HEV air-conditioning systems are identical to those used in a conventional vehicle.

When depowering the high-voltage battery system of a hybrid vehicle, _____.

What are the main reasons that a mild hybrid consumes less fuel than a conventional vehicle?

In a parallel hybrid, the engine never directly powers the vehicle.