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Chapter 2 - Quiz

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1. What element is added to the electrolyte to turn it into a gel?
Fumed silica Distilled water Sulfuric acid Graphite
2. What is one of the main advantages of GEL batteries?
They require regular maintenance They produce a lot of dangerous gas They are sealed and maintenance-free They have a very short lifespan
3. What is the main consequence of overcharging a GEL battery?
Increased lifespan Loss of electrolyte and reduced lifespan Better storage capacity Increased charging speed
4. What is the recommended Depth of Discharge (DOD) percentage to optimize the lifespan of a GEL battery?
10% 30% 50% 100%
5. What is the effect of excessively high temperature on a GEL battery?
Increased lifespan Improved performance Faster recharge Reduced lifespan
6. What type of charger is recommended for a GEL battery?
Standard charger 3-stage charger with a temperature sensor High voltage fast charger Universal charger
7. What is the best way to store an unused GEL battery for a long period?
Leave it completely discharged Charge it to 100% and store it at a moderate temperature Submerge it in water to prevent evaporation Store it in a very hot place
8. What is the nominal voltage of a 12V GEL battery in float charge mode?
13.8V – 14.4V 12V 10V – 12V 14.4V – 15V
9. What is the recommended charging current for a 100Ah GEL battery?
50A – 60A 30A – 40A 5A – 10A 10A – 20A
10. What is the typical self-discharge rate of a GEL battery?
10% per month 5% per month 1% - 3% per month 0% per month