Battery review

Before performing a load test what should the battery be charged to?

• Open circuit voltage must be at least 75%

• Open circuit voltage must be at least 50%

• Open circuit voltage must be at least 25%

• The battery can be charged to any level or discharged

Which chemical is used to strengthen lead grids in maintenance-free batteries?

• Calcium

• Antimony

• Copper

• Silver

A sediment chamber exists to prevent what?

• Open circuits

• Increased water loss

• Short circuits

• Increased electrolyte loss

At what PSI will the check valve in the expansion chamber open at?

• 2-3

• 4-5

• 1-2

• .5-1.7

Which terminal should be disconnected first when removing a battery from a vehicle?

• Positive terminal

• Negative terminal

• Starter positive terminal

• Starter negative terminal

Name one charge rate factor that we talked about in the powerpoint.

All of the statements below are advantages of maintenance free batteries EXCEPT

• Can be shipped with electrolyte installed

• Faster discharge by parasitic loads

• Longer shelf life

• Higher CCA's

This battery rating is the most common method for rating batteries

• Amp Hour Rating

• Watt Hour Rating

• Reserve Capacity

• Cold Cranking Rating

Voltaic cells generate electricity from what?

• Electricity

• Heat energy

• Light energy

• Chemical reaction

What is added to gel cell battery electrolyte?

• Calcium

• Aluminum

• Silica

• Antimony