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WorksheetsUnit 3 Revision 1
Total questions: 28
Worksheet time: 7hrs 0mins
When the chemical action will stop?
acid contents is at minimum and water contents is at maximum
acid contents is at maximum water contents is at minimum
both acid and water contents is at maximum
both acid and water contents is at minimum
What is the factor that determine a battery capacity ?
Contact area between plate and electrolyte
voltage
number of cells
plate material
When both plate are covered with lead sulfate the battery is _______
Fully charged
Fully Discharged
Charged
Discharged
What is preventing the battery from producing any more electricity?
Fully charged
When both plate are covered with lead sulfate
Charged
Acid content increases
What happen when the lead acid is discharging?
Positive plate group become lead peroxide
Negative plate become pure spongey lead
Lead sulfate build-up on the plate
The electrolyte acid content increases
What is the use of battery system?
Portable DC supply is needed
Emergency light
In the cars
In the factory
Which of the following is the one Application of batteries?
Use for damage cells in a system
Use for Backup power sources
In converting Ac System
Use for smoothing output Ac system
What is the use of battery system?
For damage cells in a system
Uninterruptible power supply system(UPS)
For smoothing output Ac system
In rectifier Ac System
What happen when the lead acid is discharging?
Positive plate group become lead peroxide
Negative plate become pure spongey lead
Lead sulfate build-up on the plate
The electrolyte acid content increases
What is the battery state of charge if the acid content at maximum?
Battery is fully charged
Battery is fully Discharged
Battery is connected to a load
Battery is Discharging
What is the factor that determines a Battery’s Voltage?
Size of plate
Connection type
Wight of cells
Capacity.
What is the factor that determines a Battery’s Voltage?
Plate martial
Size of plate
Wight of cells
Capacity
What is the factor that determines a Battery’s Voltage?
Capacity
Wight of cells
Number of cells
Size of plate
What is the factor that determines a Battery’s Voltage?
Size of plate
Wight of cells
Capacity
electrolyte material
What does no effect on battery’s voltage?
Size and Wight
electrolyte material
Number of cells
electrolyte material
When the cells are fully charged, the negative plate group is________________.
Lead peroxide
Pure spongy lead
Has maximum acid content
Both a & b
When the cells are fully charged, the positive plate group is_______
Lead peroxide
Pure spongy lead
Has maximum acid content
Both a & b
When the cells are fully charged, the electrolyte has________
equal acid content
minimum acid content
maximum acid content
between maximum and minimum acid content
What happens when an external load is connected across the battery?
Fully charged
both plate are covered with lead peroxide
Acid content decreases and Water content increases
equal acid content
When the battery delivers to the load the negative plate change to_________
Lead peroxide
Pure spongy lead
Has maximum acid content
Lead sulfate
When discharging lead acid battery the___________________________
Water content decreases
Acid content decreases
Has maximum acid content
Lead sulfate content decreases of both positive and negative
When discharging lead acid battery the___________________________
Water content decreases
Acid content increases
Lead sulfate content increases of both positive and negative
Has maximum acid content
When discharging lead acid battery the___________________________
Water content increases
Acid content increases
Lead sulfate content decreases
Has maximum acid content
What do you call the effect of the cell size and weight on a battery?
Battery voltage
Battery resistance
Battery Capacity
Battery frequency
What does the battery’s capacity effect?
voltage
Amount of Current and length of time
Number of cells
electrolyte material
1. What is the factor that determine a battery capcity?
Plate material
Battery condition
voltage
Number of cells
What is the factor that determine a battery capacity ?
Low voltage limit
voltage
Type of connection cells
Plate material
What is the factor that determine a battery capacity ?
voltage
number of cells
plate material
concentration of electrolyte
