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4th 6 Months > Tpc 102 Reading Schematics And Symbols > Flashcards

Tpc 102 Reading Schematics And Symbols Flashcards

1
Q

A schematic is a line drawing made for a scientific or technical purpose that uses?

A

Symbols and lines

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2
Q

What diagram is a double-line drawing showing a system in some detail?

A

A cutaway diagram

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3
Q

Current that flows steadily in one direction is called?

A

Direct current, DC

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4
Q

How is the flow of a fluid in piping diagrams indicated?

A

Arrows

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5
Q

The alternate flow is what kind of diagram?

A

Supplementary diagram

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6
Q

What is the symbol for exposed wiring?

A
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7
Q

What is the symbol for a vent line in a piping system?

A

Dashed lines

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8
Q

What are some clues that are giving in a schematic?

A

The drawing title

Parts list

Notes by the engineer

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9
Q

What is the symbol for a pressure gauge?

A
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10
Q

What is the last step when reading an electrical circuit?

A

Examine the actual circuit

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11
Q

What is the symbol for electrical lines connecting

A
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12
Q

What is the symbol for a SPDT?

A
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13
Q

What is the symbol for a transformer?

A
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14
Q

Show the symbol for a fuse

A
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15
Q

Show the symbol for a normally closed contact?

A
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16
Q

In what circuit type does the entire current flow from one load to the next?

A

Series circuit

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17
Q

In what type of circuit does each load have the capability of being turned on or off independently of the others?

A

Parallel circuit

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18
Q

An important function of a wiring diagram is to show how the parts of a circuit are connected in what way?

A

Externally

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19
Q

What does the letter L represent in electrical circuits?

A

It’s how the motor is connected to the power source

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20
Q

The forward switch is represented how?

A

FOR , abbreviation

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21
Q

The flow of the material in a pipe is controlled and adjusted by?

A

Valves

22
Q

What is the symbol for a flanged joint?

A
23
Q

How do you change the direction of flow?

A

Using elbows

24
Q

What connects two pipes of different diameters?

A

A reducer

25
Q

What is the symbol for a screwed Tee fitting?

A
26
Q

What devices are used to control the amount of flow?

A

Valves

27
Q

What is a cock valve used for?

A

They are used when flow must be started quickly and stopped quickly

28
Q

What is the symbol for a globe valve?

A
29
Q

What are check valves used for?

A

They are used ensure that a fluid moves in only one direction

30
Q

The last number in the note always indicates?

A

The size of the branch line

31
Q

Both hydraulic and pneumatic systems are?

A

Fluid-power systems

32
Q

What is an actuator?

A

Is the device in either system that reacts to the pressure of the fluid and does the work

33
Q

What is the symbol for a pneumatic receiver?

A
34
Q

The symbols for a valve show it’s?

A

Connections, flow paths, and function

35
Q

What is the symbol for a 3 position 4 way valve that is closed?

A
36
Q

What is the symbol for an electric motor?

A
37
Q

What directs the flow of brake fluid in the braking system?

A

The valve assembly in the master cylinder

38
Q

A closed system is one in which?

A

The same fluid is used again and again

39
Q

Phantom lines are also referred to as?

A

Local areas

40
Q

What is the symbol for a solenoid operated control?

A
41
Q

What is another name for the evaporator in and A/C system

A

The liquid chiller

42
Q

What is the symbol of a rotary compressor?

A
43
Q

What are examples of a direct control in a refrigeration system?

A

TXV ( thermostatic expansion valve )

ADR

44
Q

What is the symbol for electrical wires that are to be installed in the field?

A
45
Q

What can a transistor do?

A

Amplify and switch electrical signals

46
Q

What does fusion mean?

A

The joining of two materials by melting them together

47
Q

What kind of welding is a “ squeeze-and-heat” process?

A

Resistance welding

48
Q

What is the symbol for a chamfered weld?

A
49
Q

What are field welds indicated by?

A

Flag at the bend of the arrow

50
Q

Where would you find the dimensions for the welds in a blueprint?

A

The legend

4th 6 Months (7 decks)

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