EMC Chapter 2

Question 1

___ drawings show physical details of an object as seen by the eye.

Answer 1

Pictorial

Question 2

A(n)___ is a letter or combination of letters the represents a word.

Answer 2

abbreviation

Question 3

A(n)___ is a graphic element that represents a quantity or unit.

Answer 3

symbol

Question 4

A ___ diagram is a diagram that shows the connection of all components in a piece of equipment.

Answer 4

wiring

Question 5

___ diagrams are intended to show the circuitry that is necessary for the basic operation of a device.

Answer 5

Schematic

Question 6

A ___ diagram is used to show the relationship between circuits and their components but not the actual location of the components.

Answer 6

line(ladder)

Question 7

The primary function of a ___ diagram is to show how the distinct parts of a system relate.

Answer 7

block

Question 8

A ___ diagram is a diagram that uses single lines and graphic symbols to indicate the path and components of an electrical circuit.

Answer 8

one-line

Question 9

A ___ is a diagram that shows a logical sequence of steps for a given set of conditions.

Answer 9

flow chart

Question 10

A(n)___ indicates the beginning and end of a flow chart or sections of a flow chart.

Answer 10

Ellipse

Question 11

All electrical circuits include ___ basic components.

Answer 11

five

Question 12

A(n)___ is a disconnect switch with circuit breakers (CBs) or fuses added to provide overcorrect protection for the switched circuit.

Answer 12

overcurrent protection device

Question 13

A ___ is a device that converts various forms of energy into electricity.

Answer 13

power source

Question 14

A(n)___ is a material that has very little resistance to current flow and permits electrons to move through it easily.

Answer 14

conductor

Question 15

___ is the most commonly used conductor material.

Answer 15

Copper

Question 16

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.

Answer 16

Circuit breaker

Question 17

Solenoids, ___, and magnetic motor starters are used for remote control of devices.

Answer 17

contactors

Question 18

A ___ is an electric output device that converts electrical energy into a linear mechanical force.

Answer 18

solenoid

Question 19

A ___ is a control device that uses a small control current to energize or de-energize the load connected to it.

Answer 19

contactor

Question 20

___ involves identifying an electrical symbol, understanding where the component is located within a system, and understanding how it is used.

Answer 20

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