Aerospace Engineering EOC Exam Questions and Answers Fully Solved
Design Process - Answers a systematic problem-solving strategy, with criteria and constraints, used to
develop many possible solutions to solve a problem or satisfy human needs and wants and to winnow
(narrow) down the possible solutions to one final choice
Micrometers - Answers is a device incorporating a calibrated screw widely used for accurate
measurement of components in mechanical engineering and machining as well as most mechanical
trades
Slide Calipers - Answers Use is comparable to the vernier calipers, however, the gradations are not as
precise. It's measuring capacity is up to 3 inches.
Isometric drawing - Answers The drawing of a 3d object that shows a corner view of a figure. it is not
drawn in perspective and the distances are not distorted.
technical drawing - Answers A drawing that is used to show the material, size, and shape of a product
for manufacturing purposes.
assembly drawings - Answers a set of working drawings used in engineering that depict complete details
of all components.
pictorial drawing - Answers a type of drawing shown in three dimensions; includes isometric, oblique,
and perspective drawings.
orthographic drawing - Answers a drawing that has several views used to describe the object. It is also
called a multiview drawing.
schematic drawing - Answers clearly, detailed diagrams of an electrical or mechanical system, are a top-
level focus drawing and describe how something works and/or how individual parts interface; often
used in a concept or early design stage to outline a design and its principles
ANSI measurements - Answers - dimensions are read horizontally
- dimensions are centered on the dimension line
- tends to use abbreviations
- different syntax (1.000 DIAM 3 PLACES)
- drawings typically use Third Angle Projections with dimensions in inch units
ISO measurments - Answers - dimensions are parallel to the dimension line
- dimension are placed above the dimension line
- uses symbols. (example: RAD, DIAM, 3 PLACES versus R, Ø, 3X)
, - different syntax (3X Ø 1.000)
- drawings typically use First Angle Projections for view placement with dimensions in millimeter units
Types of stress - Answers Compression, tension, torque, and Shear
compression - Answers A force that pushes on or squeezes a material.
(arrows pointing towards each other)
tension - Answers stress that occurs when forces act to stretch an object
(arrows pointing away from each other)
torque - Answers a turning or twisting force
shear - Answers force directed parallel to a surface
Stress-Strain Curve - Answers relates change in stress to the deformation it produces
point A on Stress-Strain Curve - Answers ultimate strength
(σ⨍ on diagram)
point B on Stress-Strain Curve - Answers yield point
(σy on diagram)
point C on Stress-Strain Curve - Answers yield point
(ɛy on diagram)
What happens on a microscopic level on the ultimate strength point of a stress- strain curve? - Answers
necking begins, begins due to the increase of local stress on an object which accelerates the flow of
energy. Necking makes the deformation occur only in a specified area of the specimen compared to the
uniform deformations that occurred throughout the specimen before necking occurred.
(basically what happens with a fracture so that's what the picture is (: )
What failure type has this type of stress-strain curve? - Answers For a stereotypical stress-strain curve
the failure type usually signifies that the material in use has a plastic deformation. This happens in both
concrete and glass.
Watts - Answers unit for power
horsepower - Answers a common unit of power, equal to about 746 watts
power - Answers the rate at which work is done
Design Process - Answers a systematic problem-solving strategy, with criteria and constraints, used to
develop many possible solutions to solve a problem or satisfy human needs and wants and to winnow
(narrow) down the possible solutions to one final choice
Micrometers - Answers is a device incorporating a calibrated screw widely used for accurate
measurement of components in mechanical engineering and machining as well as most mechanical
trades
Slide Calipers - Answers Use is comparable to the vernier calipers, however, the gradations are not as
precise. It's measuring capacity is up to 3 inches.
Isometric drawing - Answers The drawing of a 3d object that shows a corner view of a figure. it is not
drawn in perspective and the distances are not distorted.
technical drawing - Answers A drawing that is used to show the material, size, and shape of a product
for manufacturing purposes.
assembly drawings - Answers a set of working drawings used in engineering that depict complete details
of all components.
pictorial drawing - Answers a type of drawing shown in three dimensions; includes isometric, oblique,
and perspective drawings.
orthographic drawing - Answers a drawing that has several views used to describe the object. It is also
called a multiview drawing.
schematic drawing - Answers clearly, detailed diagrams of an electrical or mechanical system, are a top-
level focus drawing and describe how something works and/or how individual parts interface; often
used in a concept or early design stage to outline a design and its principles
ANSI measurements - Answers - dimensions are read horizontally
- dimensions are centered on the dimension line
- tends to use abbreviations
- different syntax (1.000 DIAM 3 PLACES)
- drawings typically use Third Angle Projections with dimensions in inch units
ISO measurments - Answers - dimensions are parallel to the dimension line
- dimension are placed above the dimension line
- uses symbols. (example: RAD, DIAM, 3 PLACES versus R, Ø, 3X)
, - different syntax (3X Ø 1.000)
- drawings typically use First Angle Projections for view placement with dimensions in millimeter units
Types of stress - Answers Compression, tension, torque, and Shear
compression - Answers A force that pushes on or squeezes a material.
(arrows pointing towards each other)
tension - Answers stress that occurs when forces act to stretch an object
(arrows pointing away from each other)
torque - Answers a turning or twisting force
shear - Answers force directed parallel to a surface
Stress-Strain Curve - Answers relates change in stress to the deformation it produces
point A on Stress-Strain Curve - Answers ultimate strength
(σ⨍ on diagram)
point B on Stress-Strain Curve - Answers yield point
(σy on diagram)
point C on Stress-Strain Curve - Answers yield point
(ɛy on diagram)
What happens on a microscopic level on the ultimate strength point of a stress- strain curve? - Answers
necking begins, begins due to the increase of local stress on an object which accelerates the flow of
energy. Necking makes the deformation occur only in a specified area of the specimen compared to the
uniform deformations that occurred throughout the specimen before necking occurred.
(basically what happens with a fracture so that's what the picture is (: )
What failure type has this type of stress-strain curve? - Answers For a stereotypical stress-strain curve
the failure type usually signifies that the material in use has a plastic deformation. This happens in both
concrete and glass.
Watts - Answers unit for power
horsepower - Answers a common unit of power, equal to about 746 watts
power - Answers the rate at which work is done
