| 1. |
These components provide the majority of the operating characteristics of any electrical circuit. They are useless, however, if they are not connected together. Conductors are the means used to tie these components together. |
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True |
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False
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| 2. |
The square mil is a unit of measurement used to determine the cross-sectional area of a square or rectangular conductor.
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True |
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False |
| 3. |
The circular mil is the standard unit of measurement of a round wire cross-sectional area |
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True |
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False |
| 4. |
A circular-mil-foot (figure 1-3) is a unit of volume |
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True |
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False |
| 5. |
A bus bar is a heavy copper strap or bar used to connect several circuits together. Bus bars are used when a large current capacity is required. |
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True |
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False |
| 6. |
Table 1.1 in page 17/152 denotes |
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Specific resistances of common substances |
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Specific resistivity of common substances |
| 7. |
Which figures represent conductors?
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Figure 1-5 in page 22 |
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Figure 1-4 in page 21 |
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Figure 1-6 in page 22 |
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Both a and c |
| 8. |
The resistance of pure metals, such as silver, copper, and aluminum, increases as the temperature increases. However, the resistance of some alloys, such as constantan and manganin, changes very little as the temperature changes. |
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True |
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False
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| 9. |
__________is the ability of an insulator to withstand potential difference. |
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Dielectric strength |
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Insulation Resistance |
| 10. |
On page 23 the factors governing the current rating are conductor size, wire location, insulation and safe current ratings. |
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True |
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False |
| 11. |
What do pages 26-32 discuss about? |
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Types of insulation |
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Types of conductors |
| 12. |
Insulation removal methods are discussed in pages 42, 43 &44. |
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True |
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False |
| 13. |
As seen in Chapter 2 they are ________types of commonly used splices.
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Six |
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Two |
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Four |
| 14. |
Grease or oil films can be removed with a suitable solvent, but it’s still alright if the connections were dirty in order to be soldered. So cleanliness is not essential for efficient, effective soldering. |
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True |
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False |
| 15. |
The pencil iron as shown in figure2-33 represents a soldering tool.
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True |
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False |
| 16. |
Flux is a cleaning agent to remove oxidation during soldering. Heating a metal causes rapid oxidation. Oxidation prevents solder from reacting chemically with a metal. Flux cleans the metal by removing the oxide layer.
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True |
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False |
| 17. |
Since most cable wires are stranded, it is necessary to use terminal lugs to hold the strands together to aid in fastening the wires to terminal studs (see figure 2-11).
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True |
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False |
| 18. |
The cable and wire marking systems were discussed in detail in chapter 3 from pages 95-100.
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True |
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False |
| 19. |
Details about how to draw the block diagrams, line diagrams, schematic diagrams and wiring diagrams are all given in chapter 2.
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True |
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False |
| 20. |
An isometric diagram is shown in
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Figure3-7 |
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Figure3-6 |
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