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WorksheetsModule 3.3 Review
Total questions: 21
Worksheet time: 5hrs 15mins
It is a schedule to keep the equipments running correctly and identify small faults before they become large.
a. Corrective Maintenance
b. Annual Maintenance
c. Preventive Maintenance
d. Repair scheduled
Routine battery tests include measuring of:
a. Current, temperature and voltage of cells
b. Voltages and currents of cells
c. Electrolyte concentration and temperature of cells
d. Specific gravity, temperature and voltage of cells
What is the most lead acid batteries peak output voltage?
d. 2.08 v to 2.25 volts per cell
c. 2.00 v to 2.22 volts per cell
b. 2.20 v to 2.25 volts per cell
a. 1.70 v to 2.25 volts per cell
1. What is the final or minimum voltage volts per cell.
d. 1.70 volts per cell
c. 1.60 volts per cell
b. 1.50 volts per cell
a. 1.40 volts per cell
It is the weight of a liquid compared to the weight of an equal volume of water.
d. Hydrometer
c. Specific gravity
b. Electrolyte of the battery
a. Preventive Maintenance
When the cells shall be replaced according to specific gravity reading?
d. If it is above 1.177
c. If it is above 1.175
b. If it falls below 1.177
a. If it falls below 1.175
What is the normal specific gravity reading of fully charged cell?
d. Around 1.835
c. Around 1.210
b. Around 1.175
a. Around 1.160
What is the normal specific gravity reading of fully discharged cell?
d. Around 1.835
c. Around 1.210
b. Around 1.175
a. Around 1.160
What type of measuring equipment will be used to measure the specific gravity of the cell?
d. Ampere meter
c. Thermometer
b. Hydrometer
a. Volt meter
When the specific gravity reading must be corrected by using the correction factor?
d. When the temperature reading is equal to 79 Fahrenheit
c. When the temperature reading is equal to 77 Fahrenheit
b. When the temperature reading is above 79 & below 75 Fahrenheit
a. When the temperature reading is equal to 75 Fahrenheit
What is the cell corrected specific gravity value, if hydrometer reads 1.208 at temperature of 83o Fahrenheit?
d. 1.220
c. 1.210
b. 1.208
a. 1.206
What is electrolyte?
d. Mixture of acid and solution
c. Mixture of acid and water
b. Mixture of water and oil
a. Baking soda and water
Why do you measure cell’s electrolyte specific gravity?
d. To measure acid solution
c. To measure water level
b. To measure acid concentration
a. To measure acid temperature
What does measuring a cell’s voltage tell you?
d. Its voltage data
c. Its voltage rating
b. Its capacity
a. Its state of charge
At what temperature can a cell’s specific gravity be measured without a correction factor?
d. 81oF
c. 79oF
b. 77oF
a. 75oF
What is physical signs of leaking electrolyte around the cell terminals ?
d. Loose connection
c. Neutralizing
b. Sulfation
a. Corrosion
What shall be applied to the battery terminals to prevent corrosion?
d. Baking soda
c. Paint
b. Oxide grease
a. Petroleum jelly
This resulted from a low state of charge in the cell, deposits hard sulfur form in the battery plates.
d. Loose connection
c. Neutralizing
b. Sulfation
a. Corrosion
What type of checks shall be done before installing a new cell in battery bank?
d. Both a & c
c. Check the electrolyte type
b. Check if it is correct type, its voltage and electrolyte type
a. Check if it is correct type
The batteries are designed to operate at:
d. 77 degrees Celsius
c. 25 degrees Fahrenheit
b. 30 degrees Celsius
a. 77 degrees Fahrenheit
What shall you provide before replacing a faulty cell with the battery bank in service?
d. Alternate current path after removing the links
c. Alternate current path before removing the links
b. Add one more battery
a. A new battery
