Deck 21: Reading Large Schematic Diagrams

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What does the notation (EP12246-00) indicate?
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لقلب البطاقة.
سؤال
Schematics in industry may contain several pages.
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Figure 21-5

Figure 21-5    At the right side of the schematic shown in the accompanying figure is the notation LOCATED IN RELAY CABINET. What information is given by this notation?<div style=padding-top: 35px>
At the right side of the schematic shown in the accompanying figure is the notation "LOCATED IN RELAY CABINET". What information is given by this notation?
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Figure 21-2

Figure 21-2    The accompanying figure indicates that the motor is connected to a 2300-volt ____________________ phase 60 hertz power line.<div style=padding-top: 35px>
The accompanying figure indicates that the motor is connected to a 2300-volt ____________________ phase 60 hertz power line.
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Figure 21-5

Figure 21-5    In the accompanying figure, at the far right-hand side is the notation (-08, 24, 14). What do these numbers indicate?<div style=padding-top: 35px>
In the accompanying figure, at the far right-hand side is the notation (-08, 24, 14). What do these numbers indicate?
سؤال
Schematics in industry are often small.
سؤال
Push buttons, HOA switches, pilot lights, and so on are generally located on a control terminal where an operator has access to them.
سؤال
____________________ is generally used to help the electrician interpret the meaning of certain components and find contacts that are controlled by coils.
سؤال
All manufacturers use the same numbering and notation system for schematics.
سؤال
What does it indicate if coil symbols are used for overloads, not heater symbols, in a schematic?
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Figure 21-4

Figure 21-4    On line 02 of the schematic shown in the accompanying figure, there are three terminals marked TB-5B. These labels indicate ____________________ points.<div style=padding-top: 35px>
On line 02 of the schematic shown in the accompanying figure, there are three terminals marked TB-5B. These labels indicate ____________________ points.
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Figure 21-2

Figure 21-2    The accompanying figure indicates that there is a 200 amp, disconnect switch rated at 5,000 volts that can be used to disconnect the ____________________ from the power line.<div style=padding-top: 35px>
The accompanying figure indicates that there is a 200 amp, disconnect switch rated at 5,000 volts that can be used to disconnect the ____________________ from the power line.
سؤال
Figure 21-2

Figure 21-2    The accompanying figure shows ____________________ current transformers.<div style=padding-top: 35px>
The accompanying figure shows ____________________ current transformers.
سؤال
How much output current do current transformers produce under a short-circuit condition?
سؤال
It is common for high voltage disconnect switches to have four contacts for the switch.
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Deck 21: Reading Large Schematic Diagrams
1
What does the notation (EP12246-00) indicate?
The notation (EP12246-00) indicates that you are looking at Electrical Print number 12246 and line number 00.
2
Schematics in industry may contain several pages.
True
3
Figure 21-5

Figure 21-5    At the right side of the schematic shown in the accompanying figure is the notation LOCATED IN RELAY CABINET. What information is given by this notation?
At the right side of the schematic shown in the accompanying figure is the notation "LOCATED IN RELAY CABINET". What information is given by this notation?
This notation gives the physical location of such control components as starters, relays, and terminal blocks.
4
Figure 21-2

Figure 21-2    The accompanying figure indicates that the motor is connected to a 2300-volt ____________________ phase 60 hertz power line.
The accompanying figure indicates that the motor is connected to a 2300-volt ____________________ phase 60 hertz power line.
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5
Figure 21-5

Figure 21-5    In the accompanying figure, at the far right-hand side is the notation (-08, 24, 14). What do these numbers indicate?
In the accompanying figure, at the far right-hand side is the notation (-08, 24, 14). What do these numbers indicate?
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6
Schematics in industry are often small.
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7
Push buttons, HOA switches, pilot lights, and so on are generally located on a control terminal where an operator has access to them.
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افتح القفل للوصول البطاقات البالغ عددها 15 في هذه المجموعة.
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8
____________________ is generally used to help the electrician interpret the meaning of certain components and find contacts that are controlled by coils.
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افتح القفل للوصول البطاقات البالغ عددها 15 في هذه المجموعة.
فتح الحزمة
k this deck
9
All manufacturers use the same numbering and notation system for schematics.
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افتح القفل للوصول البطاقات البالغ عددها 15 في هذه المجموعة.
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10
What does it indicate if coil symbols are used for overloads, not heater symbols, in a schematic?
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11
Figure 21-4

Figure 21-4    On line 02 of the schematic shown in the accompanying figure, there are three terminals marked TB-5B. These labels indicate ____________________ points.
On line 02 of the schematic shown in the accompanying figure, there are three terminals marked TB-5B. These labels indicate ____________________ points.
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افتح القفل للوصول البطاقات البالغ عددها 15 في هذه المجموعة.
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12
Figure 21-2

Figure 21-2    The accompanying figure indicates that there is a 200 amp, disconnect switch rated at 5,000 volts that can be used to disconnect the ____________________ from the power line.
The accompanying figure indicates that there is a 200 amp, disconnect switch rated at 5,000 volts that can be used to disconnect the ____________________ from the power line.
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افتح القفل للوصول البطاقات البالغ عددها 15 في هذه المجموعة.
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13
Figure 21-2

Figure 21-2    The accompanying figure shows ____________________ current transformers.
The accompanying figure shows ____________________ current transformers.
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افتح القفل للوصول البطاقات البالغ عددها 15 في هذه المجموعة.
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14
How much output current do current transformers produce under a short-circuit condition?
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15
It is common for high voltage disconnect switches to have four contacts for the switch.
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افتح القفل للوصول البطاقات البالغ عددها 15 في هذه المجموعة.
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افتح القفل للوصول البطاقات البالغ عددها 15 في هذه المجموعة.