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Technical Drawing for Engineering Communication

Engineering

Quiz 12 :

Geometric Dimensioning and Tolerancing

Quiz 12 :

Geometric Dimensioning and Tolerancing

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Geometric dimensioning specifies the allowable variation of a feature from the perfect form.
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True False
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True

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The concept that some parts vary in form beyond the MMC size limits after manufacture is:
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C

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The first symbol in a feature control symbol is the geometric characteristic symbol.
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True False
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True

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Rule #1 states: "Where only a tolerance of size is specified, the limits of size of an individual feature define the extent to which variations in its geometric form, as well as size, are allowed."
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The three types of size tolerances are unilateral, location, and runout.
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The easiest method of inspecting a profile tolerance is using a dial indicator.
True False
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The term regardless of feature size is a modifier that tells machinists that a tolerance of form or position or any characteristic must be maintained, regardless of the actual produced size of the object.
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A datum is established on a cast surface by a "flag" or a symbol.
True False
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A minimum if three datum target points in any arrangement are required to establish the primary datum.
True False
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A statistical tolerancing symbol is a symbolic means of indicating that the stated tolerance is based on statistical tolerancing control.
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The term least material condition means:
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A runout tolerance requires a datum reference.
True False
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Datums are components of a part such as a hole, slot, surface, or boss.
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Which of the following is not true regarding flatness?
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The MMC of an internal feature is the smallest allowable size.
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Which of the following feature controls must have a datum reference?
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The need to tolerance more than just the size of an object led to the development of geometric dimensioning and tolerancing.
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Tolerancing means setting acceptable limits of deviation.
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The tolerance zone for flatness lies on a straight line on a surface of an object.
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Which of the following is not true regarding feature control symbols?
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