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6 Month 4 > Reading Schematics > Flashcards

Reading Schematics Flashcards

1
Q

A schematic is made up of

Graph the numbers
Pictures and charts
Symbols and lines
Symbols and words

A

Symbols and lines

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2
Q

Double line drawings that show the internal details of a pneumatic system are called

Blue prints
Cutaway drawings
Pictorial diagrams
Supplementary diagrams

A

Cutaway drawings

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3
Q

In a DC circuit, the electrons flow from

Lower to higher voltage
Positive to negative
One Direction only
Two directions, continuously, reversing

A

One Direction only

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4
Q

Arrows are used on piping diagrams to indicate the

Direction of flow
Placement of welds
Pressure points
Valve locations

A

Direction of flow

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5
Q

In a piping system, an alternate flow pattern is indicated by a

Set of blue prints
Supplementary diagram
Symbol legend
Written explanation

A

Supplementary diagram 

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6
Q

On an electric diagram, a dashed line indicates a

Broken cable
Exposed wire
Fused connection
Ground connection

A

Exposed wire

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7
Q

Vent lines and drain lines are shown on a hydraulic schematic by

Dashed lines
Dotted lines
Lines and arrows
Solid lines

A

Dashed lines 

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8
Q

If a schematic carries no legend, clues about it may be found in the Paris list, drawing, title, and

Blue prints
Cutaway drawings
Engineers notes
Supplementary diagram

A

Engineers notes

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9
Q

The symbol displayed represents a

Gauge
Motor
Pump
Voltmeter 

A

Gauge

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10
Q

What is the last step in troubleshooting an electrical circuit when using a schematic?

Examine the actual circuit
Identify the system
State the problem
Thank of possible problem areas

A

Exam and the actual circuit

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11
Q

Which displayed electrical symbol represents connecting wires
A
B
C
D


A

C

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12
Q

Which displayed electrical symbol represents an SPDT switch?

A
B
C
D


A

A

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13
Q

Which displayed electrical symbol represents a transformer?

A
B
C
D


A

D

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14
Q

Which displayed electrical symbol represents a fuse?

A
B
C
D

A

C

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15
Q

Which displayed electrical symbol shows NC contacts?

A
B
C
D

A

D

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16
Q

An electric circuit in which the current path goes from one load to the next is called a _______ circuit

Complete
Grounded
Parallel
Series

A

Series

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17
Q

An electric circuit that allows each load to be turned on or off independently of others, is a_______ circuit

Complete
Grounded
Parallel
Series

A

Parallel 

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18
Q

A wiring diagram shows how the parts of a circuit are connected

Externally
Internally
In parallel
In series

A

Externally

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19
Q

Wires labeled L on a schematic

Carry power from the source
Carry low-voltage power
Connect a motor controller to the motor
Connect a motor to its load

A

Carry power from the source 

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20
Q

In the displayed diagram, the forward button is marked

F
F with circle around it
FOR
OL

A

FOR

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21
Q

The flow of material in a piping system is controlled and adjusted by

Bushings
Couplings
Joints
Valves

A

Valves 

22
Q

Which displayed symbol represents a flanged joint

A
B
C
D

A

D

23
Q

Direction of flow in a piping system maybe changed by a(n)

Bushing
Elbow
Joint
Reducer

A

Elbow

24
Q

What part of a piping system connects two pipes of different diameters?

Elbow
Reducer
Soldering joint

A

Reducer

25
Q

Which displayed symbol represents a screwed tee fitting

A
B
C
D

A

C

26
Q

A valve is used to_______in a piping system

Control the flow
Increase pipe size
Increase the temperature
Reduce the cost

A

Control the flow 

27
Q

A Cock valve is used to

Prevent flow in one direction
Open or close a pipe
Regulate flow
Turn off low on or off quickly

A

Turn flow on or off quickly 

28
Q

Which displayed symbol represents a globe valve

A
B
C
D

A

B

29
Q

A check valve

Allows flow in only One Direction
Opens or closes a pipe like a gate
Regulates flow
Turns flow on or off quickly

A

Allows flow and only One Direction 

30
Q

In the symbol displayed, the 2 inch dimension is indicated by the letter

3in. X 4in x 2in

A
B
C
D

A

C

31
Q

Both hydraulic and pneumatic systems

Are fluid-power systems
Handle gases
Handle liquids
Share the same basic components

A

Are fluid-power systems

32
Q

In a fluid power system, a(n) _______ reacts to the pressure of the fluid and does the work

Actuator
Compressor
Receiver
Reservoir

A

Actuator 

33
Q

The displayed symbol represents a______ in a_____ system

Compressor; pneumatic
Pump; hydraulic
Receiver; pneumatic
Reservoir; hydraulic

A

Receiver; pneumatic 

34
Q

The basic symbol for a valve shows it’s connections, flow paths, and

Functions
How its parts are arranged
Material
Size

A

Functions

35
Q

Which displayed symbol represents a valve in the closed position?
A
B
C
D

A

C

36
Q

The composite symbol displayed includes the symbol for a(n)

Bidirectional, pneumatic motor
Unidirectional pneumatic motor
Electric motor
Internal combustion engine

A

Electric motor

37
Q

Which element of a hydraulic braking system directs the flow of the brake fluid?

Compressor
Pump
Reservoir
Valve

A

Valve

38
Q

If the fluid in a hydraulic or pneumatic system is used again, and again, it’s called a(n) _______ system

Closed
Cycling
Open
Unitary

A

Closed

39
Q

On a hydraulic or pneumatic diagram, local areas are outlined by which of the following?

A
B
C
D

A

B

40
Q

Which of the following symbols below indicates a solenoid operated device?
A
B
C
D

A

A

41
Q

In a refrigeration system of an A/C and R system, what is another term for an evaporator?

Air eliminator
Heat exchanger
Liquid chiller
Vibration absorber

A

Liquid chiller 

42
Q

What does the displayed symbol represent?

Evaporative condenser
Rotary compressor
Steam turbine
Vertical receiver

A

Rotary compressor 

43
Q

In an A/C and R system, thermostatic expansion valves and ADR valves are used on______ control

Direct
Indirect
Manual
Sensing

A

Direct 

44
Q

In a diagram for an electric control circuit, which of the following shows wiring to be installed at the site?

A
B
C
D

A

C

45
Q

What solid-state device in an A/C system can amplify and switch electrical signals?

Diode
Thermoistor
Transistor
Transducer

A

Transistor 

46
Q

“Fusion” welding means joining two materials by ________ them together

Bolting
Forcing
Hammering
Melting

A

Melting 

47
Q

The basic method of fusion welding that uses the “ squeeze-and-heat” process is______ welding

Arc
Gas
Resistance
Thermal

A

Resistance 

48
Q

Which of the following is a symbol for a weld with chamfering?

A
B
C
D

A

B

49
Q

If the part is to be welded in the field, the weld should include a(n)

Arrow
Flag
Solid circle at the bend
The words “weld on site”

A

Flag 

50
Q

Standard dimensions for a weld

Always appear on the weld symbol
May appear in a legend on the welding diagram
Should be memorized before welding
Are unimportant

A

May appear in a legend on the welding diagram 

6 Month 4 (7 decks)

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