GD&T interview questions

1. A.position zone extended above the part surface by the mating part's thickness, used for tapped holes and press-fit pins so the fastener clears
2. B.three mutually perpendicular planes built from primary, secondary and tertiary datum features that lock all six degrees of freedom
3. C.form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum
4. D.two-tier feature control frame in which the upper segment locates the hole pattern and the lower, tighter segment refines hole-to-hole spacing

Answer + AI explanation with Pro

1. A.Composite position tolerance
2. B.Maximum material condition modifier
3. C.Datum reference frame
4. D.Projected tolerance zone

Answer + AI explanation with Pro

1. A.Datum reference frame — position zone extended above the part surface by the mating part's thickness, used for tapped holes and press-fit pins so the fastener clears
2. B.Datum reference frame — two-tier feature control frame in which the upper segment locates the hole pattern and the lower, tighter segment refines hole-to-hole spacing
3. C.Datum reference frame — extra geometric tolerance equal to the difference between the actual mating size and the MMC size when an MMC modifier applies
4. D.Datum reference frame — three mutually perpendicular planes built from primary, secondary and tertiary datum features that lock all six degrees of freedom

Answer + AI explanation with Pro

1. A.circled M that lets the geometric tolerance grow as the feature departs from its maximum material size toward least material
2. B.position zone extended above the part surface by the mating part's thickness, used for tapped holes and press-fit pins so the fastener clears
3. C.rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence
4. D.form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum

Answer + AI explanation with Pro

1. A.Datum reference frame
2. B.Feature control frame
3. C.Composite position tolerance
4. D.Flatness

Answer + AI explanation with Pro

1. A.Feature control frame — position zone extended above the part surface by the mating part's thickness, used for tapped holes and press-fit pins so the fastener clears
2. B.Feature control frame — circled M that lets the geometric tolerance grow as the feature departs from its maximum material size toward least material
3. C.Feature control frame — three mutually perpendicular planes built from primary, secondary and tertiary datum features that lock all six degrees of freedom
4. D.Feature control frame — rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence

Answer + AI explanation with Pro

1. A.rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence
2. B.extra geometric tolerance equal to the difference between the actual mating size and the MMC size when an MMC modifier applies
3. C.form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum
4. D.circled M that lets the geometric tolerance grow as the feature departs from its maximum material size toward least material

Answer + AI explanation with Pro

1. A.Maximum material condition modifier
2. B.Position tolerance
3. C.Projected tolerance zone
4. D.Flatness

Answer + AI explanation with Pro

1. A.Flatness — circled M that lets the geometric tolerance grow as the feature departs from its maximum material size toward least material
2. B.Flatness — form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum
3. C.Flatness — two-tier feature control frame in which the upper segment locates the hole pattern and the lower, tighter segment refines hole-to-hole spacing
4. D.Flatness — rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence

Answer + AI explanation with Pro

1. A.two-tier feature control frame in which the upper segment locates the hole pattern and the lower, tighter segment refines hole-to-hole spacing
2. B.position zone extended above the part surface by the mating part's thickness, used for tapped holes and press-fit pins so the fastener clears
3. C.where only a size tolerance is given, the surface may not extend beyond the envelope of perfect form at maximum material condition
4. D.extra geometric tolerance equal to the difference between the actual mating size and the MMC size when an MMC modifier applies

Answer + AI explanation with Pro

1. A.Bonus tolerance
2. B.Rule #1 (envelope principle)
3. C.Position tolerance
4. D.Datum reference frame

Answer + AI explanation with Pro

1. A.Rule #1 (envelope principle) — rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence
2. B.Rule #1 (envelope principle) — form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum
3. C.Rule #1 (envelope principle) — where only a size tolerance is given, the surface may not extend beyond the envelope of perfect form at maximum material condition
4. D.Rule #1 (envelope principle) — extra geometric tolerance equal to the difference between the actual mating size and the MMC size when an MMC modifier applies

Answer + AI explanation with Pro

1. A.cylindrical zone around the true position within which a feature's axis must lie, giving 57% more usable area than a square ± coordinate box
2. B.form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum
3. C.where only a size tolerance is given, the surface may not extend beyond the envelope of perfect form at maximum material condition
4. D.three mutually perpendicular planes built from primary, secondary and tertiary datum features that lock all six degrees of freedom

Answer + AI explanation with Pro

1. A.Composite position tolerance
2. B.Rule #1 (envelope principle)
3. C.Position tolerance
4. D.Feature control frame

Answer + AI explanation with Pro

1. A.Position tolerance — three mutually perpendicular planes built from primary, secondary and tertiary datum features that lock all six degrees of freedom
2. B.Position tolerance — cylindrical zone around the true position within which a feature's axis must lie, giving 57% more usable area than a square ± coordinate box
3. C.Position tolerance — rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence
4. D.Position tolerance — where only a size tolerance is given, the surface may not extend beyond the envelope of perfect form at maximum material condition

Answer + AI explanation with Pro

1. A.three mutually perpendicular planes built from primary, secondary and tertiary datum features that lock all six degrees of freedom
2. B.circled M that lets the geometric tolerance grow as the feature departs from its maximum material size toward least material
3. C.rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence
4. D.form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum

Answer + AI explanation with Pro

1. A.Flatness
2. B.Composite position tolerance
3. C.Rule #1 (envelope principle)
4. D.Maximum material condition modifier

Answer + AI explanation with Pro

1. A.Maximum material condition modifier — where only a size tolerance is given, the surface may not extend beyond the envelope of perfect form at maximum material condition
2. B.Maximum material condition modifier — circled M that lets the geometric tolerance grow as the feature departs from its maximum material size toward least material
3. C.Maximum material condition modifier — rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence
4. D.Maximum material condition modifier — extra geometric tolerance equal to the difference between the actual mating size and the MMC size when an MMC modifier applies

Answer + AI explanation with Pro

1. A.form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum
2. B.position zone extended above the part surface by the mating part's thickness, used for tapped holes and press-fit pins so the fastener clears
3. C.extra geometric tolerance equal to the difference between the actual mating size and the MMC size when an MMC modifier applies
4. D.where only a size tolerance is given, the surface may not extend beyond the envelope of perfect form at maximum material condition

Answer + AI explanation with Pro

1. A.Flatness
2. B.Composite position tolerance
3. C.Position tolerance
4. D.Bonus tolerance

Answer + AI explanation with Pro

1. A.Bonus tolerance — extra geometric tolerance equal to the difference between the actual mating size and the MMC size when an MMC modifier applies
2. B.Bonus tolerance — rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence
3. C.Bonus tolerance — form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum
4. D.Bonus tolerance — cylindrical zone around the true position within which a feature's axis must lie, giving 57% more usable area than a square ± coordinate box

Answer + AI explanation with Pro

1. A.cylindrical zone around the true position within which a feature's axis must lie, giving 57% more usable area than a square ± coordinate box
2. B.rectangular box read left to right containing the geometric symbol, tolerance value with modifiers, and datum references in order of precedence
3. C.two-tier feature control frame in which the upper segment locates the hole pattern and the lower, tighter segment refines hole-to-hole spacing
4. D.form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum

Answer + AI explanation with Pro

1. A.Feature control frame
2. B.Rule #1 (envelope principle)
3. C.Composite position tolerance
4. D.Projected tolerance zone

Answer + AI explanation with Pro

1. A.Composite position tolerance — extra geometric tolerance equal to the difference between the actual mating size and the MMC size when an MMC modifier applies
2. B.Composite position tolerance — two-tier feature control frame in which the upper segment locates the hole pattern and the lower, tighter segment refines hole-to-hole spacing
3. C.Composite position tolerance — circled M that lets the geometric tolerance grow as the feature departs from its maximum material size toward least material
4. D.Composite position tolerance — position zone extended above the part surface by the mating part's thickness, used for tapped holes and press-fit pins so the fastener clears

Answer + AI explanation with Pro

1. A.position zone extended above the part surface by the mating part's thickness, used for tapped holes and press-fit pins so the fastener clears
2. B.cylindrical zone around the true position within which a feature's axis must lie, giving 57% more usable area than a square ± coordinate box
3. C.circled M that lets the geometric tolerance grow as the feature departs from its maximum material size toward least material
4. D.three mutually perpendicular planes built from primary, secondary and tertiary datum features that lock all six degrees of freedom

Answer + AI explanation with Pro

1. A.Maximum material condition modifier
2. B.Projected tolerance zone
3. C.Bonus tolerance
4. D.Position tolerance

Answer + AI explanation with Pro

1. A.Projected tolerance zone — where only a size tolerance is given, the surface may not extend beyond the envelope of perfect form at maximum material condition
2. B.Projected tolerance zone — cylindrical zone around the true position within which a feature's axis must lie, giving 57% more usable area than a square ± coordinate box
3. C.Projected tolerance zone — form tolerance zone between two parallel planes within which all points of a surface must lie, requiring no datum
4. D.Projected tolerance zone — position zone extended above the part surface by the mating part's thickness, used for tapped holes and press-fit pins so the fastener clears

Answer + AI explanation with Pro