Quiz 8 - Installation of batteries
Battery Installation Knowledge Quiz
Test your skills and knowledge about battery installation with our comprehensive quiz! This quiz includes 27 questions covering various aspects of batteries, including types, voltages, and safety precautions.
Enhance your understanding with:
- Multiple choice questions
- Checkbox questions
- Real-world applications
All cells in which the chemical reaction are reversible are known as:
Primary cells
Reversible cells
Conversion cells
Secondary cells
The nominal service voltage of a alkaline battery is:
1.0 V
1.2 V
1.5 V
2.0 V
The nominal service voltage of a lead acid battery is:
1.2 V
1.4 V
1.6 V
2.0 V
During the charge cycle of a lead acid battery the electrolyte changes from:
Water to acid
Acid to water
Jelly to liquid
Positive to negative charged
The voltage developed by a cell is determined by choice of:
Electrolyte
Depolarising agent
Cell container
Electrodes
To obtain maximum available battery current output capacity, cells should be connected in:
Parallel +ve to -ve
Parallel +ve to +ve
Series +ve to -ve
Series +ve to +ve
Twelve, 2.0 cells are connected in four parallel branches. The net output voltage would be:
12 volts
24 volts
6 volts
8 volts
When a cell is connected to a load, the terminal voltage drops, this is due to:
Internal resistance
External resistance
Chemical effect
Faradays law
When cells are connected in parallel the effective internal resistance of the group compared to the individual cell is:
Increased
Reduced
Remains the same
Doubles
Gassing occurs in a lead-acid battery when:
It is subject to high temperatures
It is overloaded
It is being charged
It is loaded
What is the emf produced when a voltaic cell is established using a carbon and a zinc electrode?
1.1 volts
0.93 volts
1.2 volts
1.5 volts
Increasing the physical size of the cell increases the:
Voltage
Internal resistance
Current
Relative density of the electrolyte.
The open circuit emf of a NiCad cell is approximately:
0.5 V
1.0 V
1.2 V
2.0 V
The best type of cell for new power tool batteries is the:
Lithium ion cell
NiCad cell
Alkaline cell
Lead acid cell
The main characteristic of a secondary cell is that:
It can be recharged
It cannot be recharged
It has two functions
It contains acid
A battery consists of:
Two dissimilar electrodes in an electrolyte
A number of cells connected in series or parallel
Only series connected cells
Only parallel connected cells.
The piece of equipment best suited to gauge the state of charge of a lead acid battery is:
Voltmeter
Wattmeter
Hydrometer
Scales
What material forms on the plates of a lead acid battery on discharge?
Lead sulphate
Ionised oxygen
Ferrous oxide
Spongy lead
The electrolyte of a lead acid battery is:
Sulphuric acid
Hydrochloric acid
Amino acid
Pure water
Before connecting two (2) banks of secondary batteries in parallel, what test should be carried out?
Voltage of each battery bank should be measured
Current of each battery bank should be measured
Internal resistance of the banks should be measured
Specific gravity of all the cells should be measured
Identify which of the following applications are suitable for sealed lead acid secondary batteries:
Model aeroplanes
Golf carts
Watches
Motorcycles
Which of the following applications are suitable for primary cells?
Pacemakers
Motocyles
Watches
Uninterrupted Power Supplies (UPS)
A 12 volt battery has an open circuit voltage of 12.65 volts and an internal resistance of 0.38 ohms. If a load with a resistance of 4.8 ohms is placed across the battery terminals determine the load current and voltage.
I load = 2 amps: Vt = 12 volts
I load = 2.44 amps: Vt = 11.72 volts
I load = 2.63 amps: Vt = 12.65 volts
I load = 5 amps: Vt = 12.72 volts
How long would it take to discharge a 450 ampere/hour capacity battery if it was continually drawing a current of 25 amps?
12 hours
14 hours
16 hours
18 hours
List 5 safety precautions that need to be applied when working on or near batteries.
Electric shock
Chemical burns
Fire
Corrosion
Explosion
Rotating parts
Chemical reactions
Gases
Internal short circuits in secondary cells are prevented by:
Spacing the plates from each other
Using PVC container
Separating the plates with a porous material
Using plates which contain antimony
Secondary cells should be changed in well ventilated areas because of the:
Excessive temperature rise of the cell
Dangerous high charging currents
Gassing of the electrodes
Oxygen retention in the cathode
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