Hybrid Test

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The motor-generator propels the vehicle until the HV battery charge drops to about _____% in a full hybrid.

30%

Technician A says a mild hybrid shuts down its internal combustion engine when the vehicle comes to a stop. Technician B says all mild hybrids use a small motor-generator to assist the gas engine during acceleration. Who is right?

A only

In all-electric drive mode, the energy needed to power the motor-generator is provided by....

Battery Pack

The condition and performance of the hybrid vehicle's internal combustion engine and electric drive system are displayed on the ________.

Combination Meter

An inverter cirvuit in the HV PCM steps DC voltage up or down.

False

True or False? A hybrid drive system is made up of three major assemblies.

False

True or False? A motor-generator functions as a traction motor and generates DC current.

False

True or False? In a mild hybrid, the internal combustion is used to recharge the battery pack when the vehicle is stopped.

False

True or False? Many hybrids use a traditional 12-volt lead acid battery and a step-up transformer to supply the high voltages needed to operate the traction motors.

False

In 1898, the first vehicle to use a propulsion system with a generator and electric drive motors was developed by...

Frederick Porsche

A(n) _________ hybrid uses both the internal engine and a motor-generator to apply torque to the drive train.

Parallel

The _______ changes AC to DC or DC to AC and steps voltage up or down.

Power Control Module

True or False? A high-voltage drive train is indicated by orange cables under the vehicle's hood.

True

True or False? At low speeds, the internal combustion engine in a parallel hybrid shuts down.

True

True or False? Engine compression may be increased to aid in braking is not a trait of regenerative braking.

True

True or False? Manufactures are not experimenting with the steam-powered hybrid.

True

True or False? With regenerative braking, the hydraulic brakes are only applied during faster stops.

True

When backing up, most hybrids operate in all-electric mode.

True

True or False? A diesel-electric railroad locomotive is a hybrid vehicle.

True

If braking is done carefully, nearly all of the vehicle's _________ energy can be reclaimed using regenerative braking.

Kinetic

An HV battery contains several high-efficiency _______ battery modules.

Lithium-Ion

Providing high-voltage dc to the power control module is not a function of this...

Motor-Generator

In a ______ hybrid, there is no mechanical connection between the internal combustion engine and the drive train.

Series

In a(n) __________ hybrid, the traction motor is the only means of propelling the vehicle.

Series

There are ______ basic modes of operation in a typical series-parallel hybrid drive system.

Six

The basic parts of a motor-generator include the armature, the _____________ , and the housing.

Stator

A(n) _______ motor-generator arrangement is often used in large, four-wheel drive vehicles to drive all of the wheels.

Triple

The inverter circuit in the power control module converts dc from the battery pack into 3-phase AC for use in the motor-generator

True


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