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Questions and Answers
What is the purpose of countersinking?
What is the purpose of countersinking?
- To enlarge the end of a hole
- To create a flush surface after installing a screw (correct)
- To reduce the speed used for drilling
- To increase the diameter of the hole
Why should countersinking be used to remove burrs around a hole?
Why should countersinking be used to remove burrs around a hole?
- To enlarge the hole diameter
- To prevent accidents and ensure proper fit of components (correct)
- To increase the speed used for drilling
- To cause the mating components to seat improperly
What is the included angle commonly used in countersinking drills for metric threads?
What is the included angle commonly used in countersinking drills for metric threads?
- 45°
- 180°
- 82°
- 90° (correct)
Why are burred holes dangerous to handle?
Why are burred holes dangerous to handle?
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How should the speed used for countersinking compare to that used for drilling?
How should the speed used for countersinking compare to that used for drilling?
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What is a disadvantage of the cascade design method?
What is a disadvantage of the cascade design method?
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Which factor limits the number of reversing valves or groups recommended for the cascade design method?
Which factor limits the number of reversing valves or groups recommended for the cascade design method?
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Why is fault tracing considered simple in cascade design?
Why is fault tracing considered simple in cascade design?
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Which aspect ensures that signals in the cascade design are suitable for the required tasks?
Which aspect ensures that signals in the cascade design are suitable for the required tasks?
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In cascade design, what factor contributes to the quick design and checking of circuits?
In cascade design, what factor contributes to the quick design and checking of circuits?
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