EMC Chapter 2 Flashcards
___ drawings show physical details of an object as seen by the eye.
Pictorial
A(n)___ is a letter or combination of letters the represents a word.
abbreviation
A(n)___ is a graphic element that represents a quantity or unit.
symbol
A ___ diagram is a diagram that shows the connection of all components in a piece of equipment.
wiring
___ diagrams are intended to show the circuitry that is necessary for the basic operation of a device.
Schematic
A ___ diagram is used to show the relationship between circuits and their components but not the actual location of the components.
line(ladder)
The primary function of a ___ diagram is to show how the distinct parts of a system relate.
block
A ___ diagram is a diagram that uses single lines and graphic symbols to indicate the path and components of an electrical circuit.
one-line
A ___ is a diagram that shows a logical sequence of steps for a given set of conditions.
flow chart
A(n)___ indicates the beginning and end of a flow chart or sections of a flow chart.
Ellipse
All electrical circuits include ___ basic components.
five
A(n)___ is a disconnect switch with circuit breakers (CBs) or fuses added to provide overcorrect protection for the switched circuit.
overcurrent protection device
A ___ is a device that converts various forms of energy into electricity.
power source
A(n)___ is a material that has very little resistance to current flow and permits electrons to move through it easily.
conductor
___ is the most commonly used conductor material.
Copper
A___ is an OCPD device with a mechanical mechanism that may manually or automatically open the circuit when an overload condition or short circuit occurs.
Circuit breaker
Solenoids, ___, and magnetic motor starters are used for remote control of devices.
contactors
A ___ is an electric output device that converts electrical energy into a linear mechanical force.
solenoid
A ___ is a control device that uses a small control current to energize or de-energize the load connected to it.
contactor
___ involves identifying an electrical symbol, understanding where the component is located within a system, and understanding how it is used.
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