GD&T EXAM ME5680 questions n
answers graded A+
_______ is the boundary that takes into consideration the combined effects of feature size at
MMC and geometric tolerances - correct answer ✔✔ Virtual Condition
What is the shape of the tolerance zone when straightness is applied to a feature of size? A
surface? - correct answer ✔✔ Space within a cylinder, space between two parallel lines
Each point on the top of the block must be within two ____________________ - correct
answer ✔✔ Parallel Planes
If the +/- tolerance was increased, how would the top face flatness change? - correct answer
✔✔ Unchanged
If the +/- tolerance was increased, how would the bottom face flatness change? - correct
answer ✔✔ Increase
T/F: Datum precedence is established by the order of placement in the feature control frame -
correct answer ✔✔ True
T/F: Datum feature 'A' is always the primary datum - correct answer ✔✔ False
T/F: RFS (Regardless feature of size) is assumed unless otherwise specified - correct answer ✔✔
True
, T/F: Total runout applies to the entire specified surface simultaneously - correct answer ✔✔
True
A derived median line is... - correct answer ✔✔ An imperfect line formed by the center points
of all cross sections of the feature of size
T/F: Circularity tolerance should be specified with a O/ modifier - correct answer ✔✔ False
T/F: Circularity tolerance can allow for bonus tolerance by using the M modifier - correct
answer ✔✔ False
When verifying a circularity tolerance, the inspector must be able to collect a set of point to
determine the... - correct answer ✔✔ Distance between two coaxial circles that contain the set
of points
Which type of surface deviation is controlled by a cylindricity tolerance but not by a circularity
tolerance? - correct answer ✔✔ Taper
When verifying a cylindricity tolerance, the inspector must be able to collect a set of points to
determine the... - correct answer ✔✔ Distance between two coaxial cylinders that contain the
set of points
T / F: A flatness tolerance applied to a surface is also an indirect perpendicularity control. -
correct answer ✔✔ False
T / F: A perpendicularity tolerance applied to a surface is also an indirect flatness control -
correct answer ✔✔ True
T / F: A perpendicularity tolerance may use the Ⓜ modifier. - correct answer ✔✔ True
answers graded A+
_______ is the boundary that takes into consideration the combined effects of feature size at
MMC and geometric tolerances - correct answer ✔✔ Virtual Condition
What is the shape of the tolerance zone when straightness is applied to a feature of size? A
surface? - correct answer ✔✔ Space within a cylinder, space between two parallel lines
Each point on the top of the block must be within two ____________________ - correct
answer ✔✔ Parallel Planes
If the +/- tolerance was increased, how would the top face flatness change? - correct answer
✔✔ Unchanged
If the +/- tolerance was increased, how would the bottom face flatness change? - correct
answer ✔✔ Increase
T/F: Datum precedence is established by the order of placement in the feature control frame -
correct answer ✔✔ True
T/F: Datum feature 'A' is always the primary datum - correct answer ✔✔ False
T/F: RFS (Regardless feature of size) is assumed unless otherwise specified - correct answer ✔✔
True
, T/F: Total runout applies to the entire specified surface simultaneously - correct answer ✔✔
True
A derived median line is... - correct answer ✔✔ An imperfect line formed by the center points
of all cross sections of the feature of size
T/F: Circularity tolerance should be specified with a O/ modifier - correct answer ✔✔ False
T/F: Circularity tolerance can allow for bonus tolerance by using the M modifier - correct
answer ✔✔ False
When verifying a circularity tolerance, the inspector must be able to collect a set of point to
determine the... - correct answer ✔✔ Distance between two coaxial circles that contain the set
of points
Which type of surface deviation is controlled by a cylindricity tolerance but not by a circularity
tolerance? - correct answer ✔✔ Taper
When verifying a cylindricity tolerance, the inspector must be able to collect a set of points to
determine the... - correct answer ✔✔ Distance between two coaxial cylinders that contain the
set of points
T / F: A flatness tolerance applied to a surface is also an indirect perpendicularity control. -
correct answer ✔✔ False
T / F: A perpendicularity tolerance applied to a surface is also an indirect flatness control -
correct answer ✔✔ True
T / F: A perpendicularity tolerance may use the Ⓜ modifier. - correct answer ✔✔ True
