GD&T Technologist Exam Prep
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Datums are:
a) Real
b) Simulated
c) Perfect
d) Irregular and Flawed
e) Derived from datum features. - ANS ✔b) Simulated
c) Perfect
e) Derived from datum features.
Features are:
a) Real
b) Surfaces
c) Perfect
d) Always Measurable for Size
e) Sometimes Measurable for Size - ANS ✔a) Real
b) Surfaces
e) Sometimes Measurable for Size
Datum Features are:
a) Never Measurable
b) Real
,c) Perfect
d) Sometimes Size Features
e) Surfaces - ANS ✔b) Real
d) Sometimes Size Features
e) Surfaces
Surfaces are:
a) Features
b) Datums
c) Real
d) Perfect
e) Flawed
f) Sometimes Chosen to Serve as Datum Features - ANS ✔a) Features
c) Real
e) Flawed
f) Sometimes Chosen to Serve as Datum Features
Datum Features should be chosen based on:
a) Function
b) Smoothness as Produced
c) Repeatability
d) Accessibility
e) Representation of Mating Features
f) The Part Itself With No Consideration for Mating Features - ANS ✔a) Function
c) Repeatability
d) Accessibility
,e) Representation of Mating Features
What are five common physical datum feature simulators. - ANS ✔surface plates, angle plates,
chucking devices, V-Blocks and parallels
A dimension with a box around it is calledterm-7 what?
a) Size Dimension
b) Basic Dimension
c) Plus and Minus Tolerance
d) Limit Dimension - ANS ✔b) Basic Dimension
What symbol is a letter in a box?
a) Datum Feature Symbol
b) Tolerance
c) Allowance
d) Geometric Tolerance Symbol - ANS ✔a) Datum Feature Symbol
What kind of tolerance is expressed by 50 +/- 1?
a) Limit Dimension
b) Location Tolerance
c) Bilateral Plus and Minus Tolerancing
d) Unilateral Plus and Minus Tolerancing - ANS ✔c) Bilateral Plus and Minus Tolerancing
What is the [Encircled 'M'] symbol called when used after the geometric tolerance?
a) Datum Identification Symbol
b) Zone Descriptor
, c) Basic Size
d) Maximum Material Condition Symbol - ANS ✔d) Maximum Material Condition Symbol
What is third datum feature in the feature control frame called?
a) Primary
b) Tertiary
c) Geometric Characteristic
d) Modifier - ANS ✔b) Tertiary
What is the [Encircled 'M'] called when used after a datum feature of size?
a) A geometric Characteristic Symbol
b) Datum Feature Symbol
c) Tolerance
d) Maximum Material Boundary Symbol - ANS ✔d) Maximum Material Boundary Symbol
If a Ø2 appears in a feature control frame, it is:
a) The hole size.
b) The size tolerance.
c) Basic size.
d) The geometric tolerance. - ANS ✔d) The geometric tolerance.
List at least two components (other than the perpendicularity symbol) that you feel are needed
in a perpendicularity control. - ANS ✔A geometric tolerance and a datum reference
A clearance fit implies the mating features, when produced within size limits,
a) Will always encounter material interference.
questions and answers rated A+
passed
Datums are:
a) Real
b) Simulated
c) Perfect
d) Irregular and Flawed
e) Derived from datum features. - ANS ✔b) Simulated
c) Perfect
e) Derived from datum features.
Features are:
a) Real
b) Surfaces
c) Perfect
d) Always Measurable for Size
e) Sometimes Measurable for Size - ANS ✔a) Real
b) Surfaces
e) Sometimes Measurable for Size
Datum Features are:
a) Never Measurable
b) Real
,c) Perfect
d) Sometimes Size Features
e) Surfaces - ANS ✔b) Real
d) Sometimes Size Features
e) Surfaces
Surfaces are:
a) Features
b) Datums
c) Real
d) Perfect
e) Flawed
f) Sometimes Chosen to Serve as Datum Features - ANS ✔a) Features
c) Real
e) Flawed
f) Sometimes Chosen to Serve as Datum Features
Datum Features should be chosen based on:
a) Function
b) Smoothness as Produced
c) Repeatability
d) Accessibility
e) Representation of Mating Features
f) The Part Itself With No Consideration for Mating Features - ANS ✔a) Function
c) Repeatability
d) Accessibility
,e) Representation of Mating Features
What are five common physical datum feature simulators. - ANS ✔surface plates, angle plates,
chucking devices, V-Blocks and parallels
A dimension with a box around it is calledterm-7 what?
a) Size Dimension
b) Basic Dimension
c) Plus and Minus Tolerance
d) Limit Dimension - ANS ✔b) Basic Dimension
What symbol is a letter in a box?
a) Datum Feature Symbol
b) Tolerance
c) Allowance
d) Geometric Tolerance Symbol - ANS ✔a) Datum Feature Symbol
What kind of tolerance is expressed by 50 +/- 1?
a) Limit Dimension
b) Location Tolerance
c) Bilateral Plus and Minus Tolerancing
d) Unilateral Plus and Minus Tolerancing - ANS ✔c) Bilateral Plus and Minus Tolerancing
What is the [Encircled 'M'] symbol called when used after the geometric tolerance?
a) Datum Identification Symbol
b) Zone Descriptor
, c) Basic Size
d) Maximum Material Condition Symbol - ANS ✔d) Maximum Material Condition Symbol
What is third datum feature in the feature control frame called?
a) Primary
b) Tertiary
c) Geometric Characteristic
d) Modifier - ANS ✔b) Tertiary
What is the [Encircled 'M'] called when used after a datum feature of size?
a) A geometric Characteristic Symbol
b) Datum Feature Symbol
c) Tolerance
d) Maximum Material Boundary Symbol - ANS ✔d) Maximum Material Boundary Symbol
If a Ø2 appears in a feature control frame, it is:
a) The hole size.
b) The size tolerance.
c) Basic size.
d) The geometric tolerance. - ANS ✔d) The geometric tolerance.
List at least two components (other than the perpendicularity symbol) that you feel are needed
in a perpendicularity control. - ANS ✔A geometric tolerance and a datum reference
A clearance fit implies the mating features, when produced within size limits,
a) Will always encounter material interference.
