Deck 17: Reading Electrical Diagrams and Schematics

Question 1

An arrow through (or to) a symbol changes the component from a variable value device to a fixed value device.

Answer 1

FALSE

Question 2

Surface mounted devices commonly take up to three times the space of feed through printed circuits.

Answer 2

FALSE

Question 3

According to ASME, the key to effective communication on electrical drawings is the use of standardized symbols so that anyone who uses the diagram makes the same interpretation.

Answer 3

TRUE

Question 4

A coil is a conductor wound on a form or in a spiral that has inductive properties.

Question 5

All electronic component values are extremely large (2,500,000,000,000).

Question 6

The designating system has developed around a letter indicating the type of component followed by a number that gives the sequence of the part in the circuit.

Question 7

The printed circuit board assembly drawing is a complete engineering drawing, including components, assembly and fastening or soldering specifications, and a parts list or bill of materials.

Question 8

The circuit board artwork can have a separate sheet called silk screen artwork containing component outlines and orientation symbols.

Question 9

According to ASME, there should be no variation to electrical symbols or electronic symbols because of the possibility for misinterpretation.

Question 10

Schematic diagram is used to show the relationship of the components and equipment located in the substation.

Question 11

A 34000 ohm resistor is the same as a 3.4k ohm resistor.

Question 12

The uniformity of symbols within a print is not critical to the final layout.

Question 13

Electrical diagrams are generally drawn to scale.

Question 14

An electrical system is the same thing as an electrical circuit.

Question 15

The only drilled holes that are required when using surface mounted devices are the ones for chassis mounting or feed through between layers.

Question 16

Electrical circuits provide the path for electrical flow from the source of electricity through system components and connections and back to the source.

Question 17

The placement of identification numbers of electronic components is variable.

Question 18

Schematic diagrams drawn as a series of lines and symbols that represent the electrical current path and the components of the circuit. Provides the basic circuit connection information for electronic products.

Question 19

Printed circuit boards do not need to have separate mounting holes for each component lead or terminal.

Question 20

There are separate terminal pads for each component lead or wire attachment on printed circuit boards.

Question 21

The basic circuitry that makes any electronic device function is known as the ____.

A) coupling circuitry
B) active circuitry
C) electronic circuitry
D) DC biasing
E) none of the above

Question 22

A(n) ____ is an electronic component that contains voltage or current sources, such as a transistor and integrated circuit.

A) active device
B) bias circuitry
C) coupling circuitry
D) transistor bias circuit
E) none of the above

Question 23

Platform pattern, flat pack pattern, and terminal area shapes are all examples of ____.

A) printed circuits
B) conductors
C) mounting pads
D) components of a grid system
E) none of the above

Question 24

A ____ is a group of insulated wires put together in one sealed assembly.

A) truck line
B) feed line
C) Multi-conductor
D) substation
E) none of the above

Question 25

The ____ shows all of the interconnections of the system components.

A) One line diagram
B) pictorial diagram
C) wireless diagram
D) wiring diagram
E) none of the above

Question 26

The ____ consist of pads and conductor lines that are made of thin conductive material such as copper on a base sheet or board.

A) printed circuits
B) circuit board
C) master pattern
D) conductor
E) none of the above

Question 27

A(n) ____ is an electronic circuit that has been fabricated with extremely small components as an inseparable assembly known as a(n) ____.

A) amplifier; input signal
B) integrated circuit; capacitor
C) printed circuit board; chip
D) integrated circuit; chip
E) none of the above

Question 28

Which of the following is not included in a parts list?

A) quantity of a part
B) part number
C) item identification keyed to the assembly
D) electronic designations for components
E) none of the above

Question 29

Cables are ____.

A) used to connect components, equipment assemblies, or systems together
B) made up of insulated conductor wires, protective outer jacket, or some other means of holding the wires together, and connectors at one end or both ends
C) the part of the electrical transmission system where electricity is switched or transformed from a very high voltage to a conveniently usable form for distribution to homes or businesses
D) both a and b
E) all of the above

Question 30

The ____ is used for fabrication, quality control, and troubleshooting of the wiring of electrical circuits and systems.

A) One line diagram
B) pictorial diagram
C) wireless diagram
D) wiring diagram
E) none of the above

Question 31

The ____ is a one-to-one scale circuit pattern that is used to produce a printed circuit board.

A) large scale integration
B) master pattern
C) conductor traces
D) multilayer sandwich
E) none of the above

Question 32

What are the two parts to a schematic layout?

A) symbols and units
B) arrangement and notation
C) labeling and symbols
D) notation and labeling
E) none of the above

Question 33

A ____ is a device that provides a degree of resistance in an electronic circuit, and under certain conditions either allows current to pass through it freely or blocks the flow completely.

A) capacitor
B) semiconductor
C) inductor
D) coil
E) none of the above

Question 34

Diodes and transistors are types of ____.

A) capacitors
B) conductors
C) semiconductors
D) coils
E) none of the above

Question 35

What are the abbreviations of a transistor, a plug, a diode, a resistor, and an inductor (make sure they are in the order given)?

A) T, P, D, R, I
B) R, P, I, S, L
C) Q, P, D, R, I
D) Q, L, I, R, D
E) none of the above

Question 36

The ____ is used to provide size and location dimensions for component and chassis mounting holes and the final dimensions for trimming the board.

A) silk screen drawing
B) ground plane drawing
C) assembly drawing
D) drilling drawing
E) none of the above

Question 37

____ provide the path for electrical flow from the source of electricity through system components and connections and back to the source.

A) Wiring diagrams
B) Highway wiring diagrams
C) Cable diagrams
D) One line diagrams
E) none of the above

Question 38

____ is the control of electrons for use in devices that are dependent on low voltage, amperage, and signal paths.

A) Electricity
B) Electrical schematics
C) Electrical layout
D) Grounding
E) none of the above

Question 39

Multiplying 8.4 times 10 to the power of 7 equals ____.

A) 840,000
B) 8,400,000
C) 84,000,000
D) 840,000,000
E) none of the above

Question 40

If A = 3 times 10 to the power of negative 6, and B = 2 times 10 to the power of 5, what is the product of A times B?

A) 6 times 10 to the power of negative 1
B) 6 times 10 to the power of 1
C) 6 times 10 to the power of 11
D) 6 times 10 to the power of 30
E) none of the above

Question 41

MATCHING
Match the type of diagram with its description.
a.pictorial
b.schematic
c.block
d.wiring
e.schematic wiring
f.highway wiring
g.wireless
h.cable
Represents the electrical circuit as a three dimensional drawing

Question 42

____________________ is the control of electrons for use in devices that are dependent on low voltage, amperage and signal paths.

Question 43

A ____________________ is an aluminum or copper plate or tubing that carries the electrical current.

Question 44

MATCHING
Match the type of diagram with its description.
a.pictorial
b.schematic
c.block
d.wiring
e.schematic wiring
f.highway wiring
g.wireless
h.cable
Associated with multiconductor systems

Question 45

A ________________ is a cable or group of insulated wires put together in one sealed assembly.

Question 46

________________, also known as ___________________, are drawn to scale with dimensions and include a parts list that is coordinated with the drawing by identification balloons.

Question 47

If J = 6 times 10 to the power of 7, and K = 3 times 10 to the power of 3, then what is the answer if J is divided by K?

A) 18 times 10 to the power of 4
B) 18 times 10 to the power of 6
C) 18 times 10 to the power of 10
D) 2 times 10 to the power of 4
E) none of the above

Question 48

Leadless plastic and ceramic IC chip housings are new products used in electronic circuits that have been brought into use by the advent of ____.

A) the additive process of printed circuit preparation
B) PCB's
C) surface mount technology
D) electrolyses process
E) none of the above

Question 49

____________________ is a flat plate or base of insulating material containing a pattern of conducting material and becomes an electrical circuit when components are attached.

Question 50

The ____________________ combines the simplicity of a schematic diagram and the completeness of a wiring diagram. The complete circuit is drawn as a series of lines and symbols that represent the electrical current path and the components of the circuit. Connection terminals are shown in their proper locations along the circuit.

Question 51

MATCHING
Match the type of diagram with its description.
a.pictorial
b.schematic
c.block
d.wiring
e.schematic wiring
f.highway wiring
g.wireless
h.cable
Shows all of the interconnections of the system components

Question 52

A ____ is a simplified or condensed representation of a point to point interconnecting wiring diagram that can be used when it becomes difficult to draw individual connect lines because of diagram complexity or when it is not necessary to show all of the wires between terminal blocks.

A) One line diagram
B) wiring diagram
C) highway diagram
D) schematic diagram
E) none of the above

Question 53

The ____________________ is a type of schematic that shows all of the interconnections of the system components, and often referred to as point-to-point interconnecting wiring diagrams.

Question 54

The ____________________, also known as_____________________, are used for fabrication, quality control, and troubleshooting of the wiring of electrical circuits and systems. A highway wiring diagram is a simplified or condensed representation of a point-to-point interconnecting wiring diagram, and can be used when it becomes difficult to draw individual connection lines because of diagram complexity or when it is not necessary to show all of the wires between terminal blocks.

Question 55

MATCHING
Match the type of diagram with its description.
a.pictorial
b.schematic
c.block
d.wiring
e.schematic wiring
f.highway wiring
g.wireless
h.cable
Used for fabrication, quality control and troubleshooting

Question 56

The ____________________ is a simplified version of the schematic diagram. Simplified symbols exhibit a minimum of detail of the component and generally no connections at individual terminals.

Question 57

If Q = 1.4 times 10 to the power of 15, and R = 2 times 10 to the power of negative 5, then what is the answer if Q is divided by R?

A) 7 times 10 to the power of 10
B) 7 times 10 to the power of 11
C) 7 times 10 to the power of 18
D) 7 times 10 to the power of 20
E) none of the above

Question 58

____________________ represent the electrical circuit as a three-dimensional drawing.

Question 59

____ have conductive material plated on the inside wall to form a conductive connection between layers of the circuit board.

A) Terminal pads
B) Conductor traces
C) Master patterns
D) Plated through holes
E) none of the above

Question 60

____________________ are drawn as a series of lines and symbols representing the electrical current path and the components of the circuit.

Question 61

MATCHING
Match the type of diagram with its description.
a.pictorial
b.schematic
c.block
d.wiring
e.schematic wiring
f.highway wiring
g.wireless
h.cable
Shows the components but the interconnecting lines are omitted

Question 62

This is a simple way to communicate the design of an electrical power substation.

Question 63

MATCHING
Match the type of diagram with its description.
a.pictorial
b.schematic
c.block
d.wiring
e.schematic wiring
f.highway wiring
g.wireless
h.cable
The complete circuit is drawn showing the electrical current path and the components of the circuit and the connection terminals are shown in their proper location

Question 64

MATCHING
Match the type of diagram with its description.
a.pictorial
b.schematic
c.block
d.wiring
e.schematic wiring
f.highway wiring
g.wireless
h.cable
The complete circuit is drawn showing the electrical current path and the components of the circuit

Question 65

Define active device.

Question 66

DC refers to what?

Question 67

Define electronics.

Question 68

AC refers to what?

Question 69

MATCHING
Match the type of diagram with its description.
a.pictorial
b.schematic
c.block
d.wiring
e.schematic wiring
f.highway wiring
g.wireless
h.cable
Symbols exhibit a minimum of detail of the component and generally no connections at individual terminals

Question 70

Define fault condition.