Basic Course GD&T Exercise 4

What is a "Material Condition Modifier?"

The maximum dimension possible according to the tolerance specified.

The minimum dimension possible according to the tolerance specified

A symbol placed on a feature of size that states how much tolerance is available for that feature.

A symbol placed in a feature control frame that indicates how much, or if, any extra geometric tolerance is available for the feature as the actual mating size of the feature changes.

Which is the correct definition of regardless of feature size?

Regardless of where a feature of size lies within its form tolerance, the tolerance of size must be met.

Control placed on a feature of size stating that the tolerance of form or position must be met regardless of where the feature lies within its form tolerance.

Control placed on a feature of size stating that the geometric tolerance must be met regardless of where the feature lies within its size tolerance.

Regardless of where a feature of size lies within its size tolerance, the tolerance of size must be met.

How much total positional tolerance would be available for one hole if that hole was produced at a size of Ø.255?

Ø.010

Ø.005

Ø.020

Ø.015

What is shape and size of tolerance zone for straightness?

Two parallel planes separated by a distance equal to tolerance value

Two parallel lines separated by a distance equal to tolerance value

Two coaxial circles and radial distance between them is equal to tolerance value

Two coaxial cylinders and radial distance between them is equal to tolerance value

What is shape and size of tolerance zone for Flatness?

Two parallel planes separated by a distance equal to tolerance value

Two parallel lines separated by a distance equal to tolerance value

Two coaxial circles and radial distance between them is equal to tolerance value

Two coaxial cylinders and radial distance between them is equal to tolerance value

What is shape and size of tolerance zone for Circularity?

Two parallel planes separated by a distance equal to tolerance value

Two parallel lines separated by a distance equal to tolerance value

Two coaxial circles and radial distance between them is equal to tolerance value

Two coaxial cylinders and radial distance between them is equal to tolerance value

What is shape and size of tolerance zone for Cylindricity?

Two parallel planes separated by a distance equal to tolerance value

Two parallel lines separated by a distance equal to tolerance value

Two coaxial circles and radial distance between them is equal to tolerance value

Two coaxial cylinders and radial distance between them is equal to tolerance value

Why Cylindricity is also termed as “composite” tolerance.

As it is a 3D control

As it limits the circularity, straightness and taper of a diameter simultaneously.

As It is most difficult to check

As it applies to surface.

What does CZ modifier indicate in the flatness tolerance labeled “B”?

The tolerance applies to both surface individually..

The collective requirement applies to tolerance zone

The flatness tolerance has one common tolerance zone for both surfaces.

The part surface may have convex deviation with in tolerance zone.

Basic Course GD&T Exercise 4

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