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The Batteries and DC Circuits online electrical course course covers how electrochemical action is used. Covers batteries, electrolytic action, electroplating, characteristics of storage batteries, application and maintenance of lead-acid, nickel-alkaline, and nickel-cadmium batteries, putting batteries into service, charging batteries, maintaining records, fundamentals of DC circuits, and using Ohm's Law to solve problems in DC series, parallel, and series-parallel circuits. This course has no prerequisites. Batteries and DC Circuits is available in online maintenance training and course manual training formats.
TPC Training is authorized by IACET to offer 1.0 CEUs for the online version of this program.
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Battery characteristics; Electrolysis; Electroplating; Extracting and refining metals; Electrolytic corrosion; Choosing a battery
– State the difference between a primary cell and a secondary cell.
– Discuss electrochemical action.
– Explain how battery polarization works.
– State the definition of an electrolyte.
– List the factors to consider in selecting a battery.
Care and maintenance of dry cells; New kinds of primary cells; Secondary cells; Stationary batteries; Storage batteries
– List advantages of dry cells.
– State the characteristics of dry cells.
– Explain how to create a six-volt battery from 1.5 volt dry cells.
– Name the basic kinds of storage cells in use today.
– Explain how to calculate the rating required in a battery for a specific application.
Lead-acid batteries; Lead-calcium batteries; Nickel-iron alkaline cells; Nickel-cadmium alkaline cell
– Name the items necessary to form a cell.
– Explain how plates in a cell are commonly assembled.
– List the advantages of nickel-cadmium battery.
– Discuss the construction of storage cells.
Placing a new battery in service; Care of dry- and wet-charged batteries; Battery testing; Industrial truck batteries; Battery problems
– List the steps in placing a new dry-charged battery in service.
– Name the three basic methods of charging batteries.
– Explain how to measure a cell's specific gravity.
– List causes of low specific gravity in a cell.
– Tell how to clean a wet, dirty battery cover.
Battery charging; Initial and normal charge; Equalizing, trickle, emergency, boost, and freshening charge; Test discharge; Cell failure
– Explain how to conduct an initial charge.
– Discuss the different types of battery charges.
– List the common causes of cell failure.
– Explain how to mix electrolyte correctly.
– Explain how to treat both skin and eyes that have been splashed with acid.
Sources of DC electricity; Ohm's Law; Work; Torque; Power; Efficiency; Branch points and loops
– Define Ohm's Law and use it to solve a problem.
– State the definition of a branch point.
– Solve a problem using the power formula.
– State the definition of Kirchhoff's rules.
– Define work, power, torque, and efficiency.
Ohm's Law for series circuits; Current control; Voltage drop; Using equations; Using Kirchhoff's Rules
– Describe a series circuit.
– Solve for E, I, and R in series circuits.
– State the basic rule you must follow when making changes in an equation.
Recognizing parallel circuits; Resistance, voltage drop, and current in parallel circuits; Calculating resistance and power; Conductance
– State the definition of a parallel circuit.
– Explain how to calculate the current in each branch of a parallel circuit.
– Explain how to calculate resistance in a parallel circuit.
– Calculate power in a parallel circuit.
– Find the reciprocal of any value.
DC motors and generators; Voltage dividers; Lighting circuits; Three- and four-way switch circuits
– State the definition of a series-parallel circuit.
– Identify series, parallel, and series-parallel circuits.
– Explain how to calculate resistances in a series-parallel circuit.
– Demonstrate how to trace and simplify a circuit.
AC and DC electricity; AC waveform; Peak-to-peak, average, and effective values; Energy storage; Faraday's Law; Basic circuit concepts
– Explain how the three types of dc motors differ.
– Demonstrate how to increase and decrease the speed of a dc motor by adding resistors.
– Identify a three-way switch.
– Calculate current and resistance using voltage divider circuits.