Exam 5: Automotive Batteriesbattery Diagnosis and Service

Technician A says during a load test, the battery voltage must not fall below 9.6 volts. Technician B says the load applied should be half the cold cranking amp rating. Who is connect?

What is the specific gravity of a fully charged battery at 80ºF (26.7ºC)?

Explain how to perform a battery load test.

What is the advantage of battery conductance testing?

____ reduce the amount of vibration and help increase the life of the battery.

How many volts can each cell of an automobile battery produce?

What term is used to describe electrical loads that are still present after the ignition switch is in the off position?

Name the four types of battery capacity ratings.

How long can an automotive battery with a cold cranking rating of 380 deliver 380 amperes?

Which of the following statements is NOT true of a replacement battery?

What factors determine current output capacity of an automotive battery?

All recombination batteries are classified as valve-regulated batteries since they have one-way safety valves that control the ____ of the battery case.

Battery efficiency is reduced as the temperature falls below 82ºF (28ºC).

Why should specific gravity readings be temperature compensated?

Computer control modules use memories that require battery voltage to be maintained and will ____ if the battery is disconnected.

Do not use more than ____ volts to jump-start a vehicle that is equipped with an engine control module.

Technician A says most hybrid vehicles have a high voltage battery pack. Technician B says most vehicles have a 12 volt battery. Who is correct?

A ____ test is conducted to see if current is flowing across the battery case.

How may batteries be rated?

What is the makeup of the electrolyte solution used in automotive batteries?