Unit 4 MAE-1351 Exam Questions &
Answers (Grade A+)
The accepted national standard in the United States for
Dimensioning and Tolerancing is -
correct answer ✅ANSI Y14.5 which is published by (ASME)
In a metric drawing, where the dimension is less than one
millimeter, what do you include? -
correct answer ✅a zero precedes the decimal point
In a metric drawing, where the dimension is a whole number, what
is not shown? -
correct answer ✅neither the decimal point nor the zero
T/F
In metric drawings, neither commas nor spaces shall be used to
separate digits into groups in specifying millimeter dimensions on
drawings (e.g., 1000 not 1,000 -
correct answer ✅T
For decimal inches, a zero is not used before the decimal point for
values less than -
correct answer ✅one inch.
,Unit 4 MAE-1351 Exam Questions &
Answers (Grade A+)
T/F
For decimal inches, a dimension is expressed to the same number
of decimal places as its tolerance. Zeros are added to the right of
the decimal point where necessary -
correct answer ✅T
In ASME Y14.5M, the drawing should.... -
correct answer ✅define a part without specifying manufacturing
methods
In ASME Y14.5M, what is true about dimensions? -
correct answer ✅Dimensions should provide required information
for readability and be shown in true profile views and refer to
visible outlines
contour rule or contour dimensioning -
correct answer ✅each dimension should be placed in the view
where the contour shape is best shown.
Overall dimensions help -
correct answer ✅define outer boundaries of parts quickly
,Unit 4 MAE-1351 Exam Questions &
Answers (Grade A+)
When the "inside" dimensions are more important than the overall
dimension, the overall dimension should be -
correct answer ✅identified as a reference dimension
Reference dimensions are identified by -
correct answer ✅enclosing them in parentheses.
Circles are dimensioned with -
correct answer ✅diameters
How do you determine which dimensions are the most important? -
correct answer ✅examine how the part will function within the
assembly
Baseline dimensioning -
correct answer ✅Features are located with respect to common
baseline. Used for CNC machining.
Chain dimensioning -
correct answer ✅features are dimensioned relative to one
another. appropriate when part function requires that features be
related to one another.
, Unit 4 MAE-1351 Exam Questions &
Answers (Grade A+)
Do you dimension visible or solid lines? -
correct answer ✅both
Engineering drawings require the use of what font? -
correct answer ✅gothic lettering. letters should be uppercase
How are chamfers dimensioned? -
correct answer ✅giving a length from the end of the part and an
angle or by specifying two distances.
Counterbore holes are used to -
correct answer ✅accept fillister head and hex socket head screws
Countersunk holes are used for applications with -
correct answer ✅flat head and oval head screws.
Spotfacing is used to -
correct answer ✅clean off the rough surface of a cast part typically
to accept a hexagon head type screw
Answers (Grade A+)
The accepted national standard in the United States for
Dimensioning and Tolerancing is -
correct answer ✅ANSI Y14.5 which is published by (ASME)
In a metric drawing, where the dimension is less than one
millimeter, what do you include? -
correct answer ✅a zero precedes the decimal point
In a metric drawing, where the dimension is a whole number, what
is not shown? -
correct answer ✅neither the decimal point nor the zero
T/F
In metric drawings, neither commas nor spaces shall be used to
separate digits into groups in specifying millimeter dimensions on
drawings (e.g., 1000 not 1,000 -
correct answer ✅T
For decimal inches, a zero is not used before the decimal point for
values less than -
correct answer ✅one inch.
,Unit 4 MAE-1351 Exam Questions &
Answers (Grade A+)
T/F
For decimal inches, a dimension is expressed to the same number
of decimal places as its tolerance. Zeros are added to the right of
the decimal point where necessary -
correct answer ✅T
In ASME Y14.5M, the drawing should.... -
correct answer ✅define a part without specifying manufacturing
methods
In ASME Y14.5M, what is true about dimensions? -
correct answer ✅Dimensions should provide required information
for readability and be shown in true profile views and refer to
visible outlines
contour rule or contour dimensioning -
correct answer ✅each dimension should be placed in the view
where the contour shape is best shown.
Overall dimensions help -
correct answer ✅define outer boundaries of parts quickly
,Unit 4 MAE-1351 Exam Questions &
Answers (Grade A+)
When the "inside" dimensions are more important than the overall
dimension, the overall dimension should be -
correct answer ✅identified as a reference dimension
Reference dimensions are identified by -
correct answer ✅enclosing them in parentheses.
Circles are dimensioned with -
correct answer ✅diameters
How do you determine which dimensions are the most important? -
correct answer ✅examine how the part will function within the
assembly
Baseline dimensioning -
correct answer ✅Features are located with respect to common
baseline. Used for CNC machining.
Chain dimensioning -
correct answer ✅features are dimensioned relative to one
another. appropriate when part function requires that features be
related to one another.
, Unit 4 MAE-1351 Exam Questions &
Answers (Grade A+)
Do you dimension visible or solid lines? -
correct answer ✅both
Engineering drawings require the use of what font? -
correct answer ✅gothic lettering. letters should be uppercase
How are chamfers dimensioned? -
correct answer ✅giving a length from the end of the part and an
angle or by specifying two distances.
Counterbore holes are used to -
correct answer ✅accept fillister head and hex socket head screws
Countersunk holes are used for applications with -
correct answer ✅flat head and oval head screws.
Spotfacing is used to -
correct answer ✅clean off the rough surface of a cast part typically
to accept a hexagon head type screw
