ADDA Mechanical Drafter Certification Practice Exam Questions with Correct Answers 100% Solved
false - Answers The top view of an object shows the height and depth dimensions.
false - Answers If a part is finished all over, it must still have appropriate finish marks on all surfaces.
false - Answers A depth auxiliary view is projected from the right-side view.
false - Answers Parallel lines are never in the same plane.
false - Answers The purpose of an auxiliary view is to show the foreshortened view of a surface.
true - Answers There are 3600 seconds in a degree (angle measure).
true - Answers There are 3 standard projection planes: frontal, horizontal, and profile.
true - Answers In first angle projection, the object is between the viewer and projection plane.
false - Answers An oblique plane is perpendicular to one of the of the primary planes.
false - Answers The front view of an object should be chosen to maximize hidden lines.
false - Answers Extension lines may not cross other extension lines.
false - Answers The first line of dimensions is usually spaced 3/4" from the view.
false - Answers Reference dimensions may be used for production purposes.
true - Answers A trimetric pictorial has 3 different scales and axes.
true - Answers In an isometric drawing, measurements are taken from the isometric axis at full scale.
false - Answers In a cavalier oblique pictorial, the depth dimension is drawn half-scale.
false - Answers A two-point perspective has one vanishing point and one station point.
true - Answers An auxiliary view may be used to find the true length of a line.
false - Answers If a surface is perpendicular to a primary plane but not parallel to any of the primary
planes, a secondary auxiliary view must be constructed to find its true shape.
true - Answers The reference plane/fold line must be constructed parallel to the edge view of a surface
to construct the true size and shape of the surface.
false - Answers Hidden lines are usually shown on pictorial drawings.
false - Answers Finish marks are placed on the surface view of finished surfaces.
true - Answers Rolled stock, plate, or sheet materials do not require finish marks.
, false - Answers An Engineering Change Notice (ECN) is not required if only the assembly process for
components is being revised.
true - Answers A coiled elastic body designed to store energy when deflected is a spring.
true - Answers Symbols should precede sizes in dimensioning (i.e R.500, not .500 R).
true - Answers The sum of the lengths of a triangle's 2 sides must be greater than the 3rd side's length.
true - Answers There are 3 standard projection planes: frontal, horizontal, and profile.
true - Answers Adding unlike fractions requires finding a common denominator.
true - Answers If 2 sides of a triangle and the angle between them are known, the area can be found.
true - Answers A rhombus is a rhomboid.
false - Answers A Unified thread form has an included angle of 45°.
true - Answers A parts list is also known as a bill of materials.
false - Answers The quickest method for drawing screw threads is in schematic from.
true - Answers The Acme thread form has a flat crest and a 29° included angle between threads.
true - Answers The Whitworth thread form a rounded crest and a 55° included angle between threads.
true - Answers True length lines are always parallel to the reference plane in all adjacent views.
false - Answers If the line of sight is parallel to a true length line, the line appears foreshortened in the
adjacent view.
false - Answers The true angle between 2 intersecting planes is the polyhedral angle.
true - Answers A spoke is not sectioned when cut parallel to its long axis, but is usually sectioned when
cut perpendicular to its long axis.
orthographic - Answers A multiview drawing is also known a(n) __________ drawing.
auxiliary - Answers A(n) __________ view is projected from an inclined surface.
section - Answers A(n) __________ view allows you to see the interior of an object.
removed - Answers A(n) __________ section is usually not aligned with a the primary view.
offset - Answers A(n) __________ section shows interior features not in a straight line by bending the
cutting plane line at 90° angles.
viewing plane line - Answers The __________ indicates the position of a removed view and line of sight.
false - Answers The top view of an object shows the height and depth dimensions.
false - Answers If a part is finished all over, it must still have appropriate finish marks on all surfaces.
false - Answers A depth auxiliary view is projected from the right-side view.
false - Answers Parallel lines are never in the same plane.
false - Answers The purpose of an auxiliary view is to show the foreshortened view of a surface.
true - Answers There are 3600 seconds in a degree (angle measure).
true - Answers There are 3 standard projection planes: frontal, horizontal, and profile.
true - Answers In first angle projection, the object is between the viewer and projection plane.
false - Answers An oblique plane is perpendicular to one of the of the primary planes.
false - Answers The front view of an object should be chosen to maximize hidden lines.
false - Answers Extension lines may not cross other extension lines.
false - Answers The first line of dimensions is usually spaced 3/4" from the view.
false - Answers Reference dimensions may be used for production purposes.
true - Answers A trimetric pictorial has 3 different scales and axes.
true - Answers In an isometric drawing, measurements are taken from the isometric axis at full scale.
false - Answers In a cavalier oblique pictorial, the depth dimension is drawn half-scale.
false - Answers A two-point perspective has one vanishing point and one station point.
true - Answers An auxiliary view may be used to find the true length of a line.
false - Answers If a surface is perpendicular to a primary plane but not parallel to any of the primary
planes, a secondary auxiliary view must be constructed to find its true shape.
true - Answers The reference plane/fold line must be constructed parallel to the edge view of a surface
to construct the true size and shape of the surface.
false - Answers Hidden lines are usually shown on pictorial drawings.
false - Answers Finish marks are placed on the surface view of finished surfaces.
true - Answers Rolled stock, plate, or sheet materials do not require finish marks.
, false - Answers An Engineering Change Notice (ECN) is not required if only the assembly process for
components is being revised.
true - Answers A coiled elastic body designed to store energy when deflected is a spring.
true - Answers Symbols should precede sizes in dimensioning (i.e R.500, not .500 R).
true - Answers The sum of the lengths of a triangle's 2 sides must be greater than the 3rd side's length.
true - Answers There are 3 standard projection planes: frontal, horizontal, and profile.
true - Answers Adding unlike fractions requires finding a common denominator.
true - Answers If 2 sides of a triangle and the angle between them are known, the area can be found.
true - Answers A rhombus is a rhomboid.
false - Answers A Unified thread form has an included angle of 45°.
true - Answers A parts list is also known as a bill of materials.
false - Answers The quickest method for drawing screw threads is in schematic from.
true - Answers The Acme thread form has a flat crest and a 29° included angle between threads.
true - Answers The Whitworth thread form a rounded crest and a 55° included angle between threads.
true - Answers True length lines are always parallel to the reference plane in all adjacent views.
false - Answers If the line of sight is parallel to a true length line, the line appears foreshortened in the
adjacent view.
false - Answers The true angle between 2 intersecting planes is the polyhedral angle.
true - Answers A spoke is not sectioned when cut parallel to its long axis, but is usually sectioned when
cut perpendicular to its long axis.
orthographic - Answers A multiview drawing is also known a(n) __________ drawing.
auxiliary - Answers A(n) __________ view is projected from an inclined surface.
section - Answers A(n) __________ view allows you to see the interior of an object.
removed - Answers A(n) __________ section is usually not aligned with a the primary view.
offset - Answers A(n) __________ section shows interior features not in a straight line by bending the
cutting plane line at 90° angles.
viewing plane line - Answers The __________ indicates the position of a removed view and line of sight.
