26/27 HV

In a full hybrid, the motor generator propels the vehicle until the HV battery charge drops to about ____ %.

30

A typical modern HV battery is made up of __ individual battery packs.

30-40

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

A only.

When testing a battery's charge condition, the indicator shows a visible dark green eye. Tech A says the battery is fully charged. Tech B says the battery needs to be charged. who is right?

A only.

Full hybrid mode in which the internal combustion engine is shut down and propulsion by the motor generator.

All-electric drive mode

To decrease gassing in a lead-acid battery, calcium or ___is added to the lead.

Antimony

List the three basic parts of a motor generator

Armature, stator, and housing

Grouping of positive plates, negative plates, separators, and straps.

Battery element

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

Battery pack

Full hybrid mode in which the internal combustion engine is providing propulsion and the motor generator is supplying electricity to the battery pack.

Battery pack recharging mode

Connection from battery to vehicle body

Body ground

Green "eye" on battery top.

Charge indicator

Converting electrical energy into chemical energy

Charging

The condition and performance of the hybrid vehicles internal combustion engine and electric drive system are displayed on the ___.

Combination meter

A battery's power ___ as its temp. drops.

Decreases

The current produced by an auto battery is called ___ current.

Direct

Converting chemical energy into electrical energy

Discharging

The battery charging processes converts ___.

Electrical energy to chemical energy

One of a battery's most important features is its ability to store ___ for extended periods.

Electricity

Which of the following is NOT a trait of regenerative braking?

Engine compression may be increased to aid in breaking

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

Fredrick (Ferdinand) Porche.

In the power control module, what are large capacitors used for?

Help AC motor rotate starting from stand still

Full hybrid mode in which the internal combustion automatically shuts down when the vehicle comes to a full stop and restarts when the vehicle reaches a predetermined speed.

Idle stop mode

Which of the following may NOT be a function of the motor-generator?

It provides high-voltage dc to the PCM

The peak power of an HV battery is rated in ___.

Kilowatts

If braking is done carefully, nearly all of the vehicles ___ energy can be reclaimed using regenerative braking.

Kinetic

Active material on positive plates

Lead peroxide

Full hybrid mode in which the internal combustion engine and motor generator work together to provide propulsion.

Motor-assist mode

Which of the following is NOT part of a simple battery cell?

Neutral plate

The HV battery ____ operating voltage is the maximum dc voltage available from the battery.

Nominal

If output voltage doubles when two batteries are connected in series, what happens to the output voltage of the batteries are in parallel?

Output is the same voltage as a single battery

A ___ hybrid uses both the internal engine and a motor-generator to apply torque to the drive train.

Parallel

Connection that increases current output

Parallel

Active material on negative plates.

Porous lead

On a lead-acid battery, the __ charging post is larger in diameter.

Positive

The ___ changes ac to dc or dc to ac and steps voltage up or down.

Power control module

Full hybrid mode in which the motor generator is functioning as a generator, and the engines valves may be opened to allow it to free-wheel.

Regenerative braking mode

____ capacity is the time span over which the battery will produce enough electricity to operate the vehicle if the charging system fails.

Reserved

The insulating elements positioned between the battery plates are known as___?

Separators

Connection that increases voltage

Series

In a ___ hybrid, the traction motor is the only means of propelling the vehicle.

Series

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

Series

A 12V battery has __ cells.

Six

A typical series-parallel hybrid drive system has __ basic modes of operation.

Six

What are the two power sources used to propel a hybrid vehicle ?

Small gas or diesel engine and motor-genertator powered by Hv battery

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

Stator

Manufactures are experimenting with each of the following hybrid types EXCEPT___.

Steam-powered hybrids

The ____ in electrolytes can cause burns on the skin or eyes.

Sulfuric acid

If a lithium-ion battery is burring, why should you not spray water on it?

The water and lithium-ion will react, creating explosive hydrogen gas

Why do HV power cables have bright orange insulation?

To warn technicians of the deadly high voltage that is carried through

A ____motor-generator arrangement is often used in large, four-wheel drive vehicles to drive all of the wheels.

Triple

A fuel cell uses hydrogen for fuel, and outputs electrical energy and ___.

Water

A maintenance free battery does not require periodic addition of __ to the electrolyte.

Water

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

lithium-ion