Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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SimulationXpress / COSMOSXpress is used to analyze? a. | Drawings | d. | Parts | b. |
Parts | e. | All of the Above | c. | Assemblies and
Parts |
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2.
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At what percent Strain is Yield Strength normally
determined ?
a. | 0.002% | c. | 0.02% | b. | 0.20% | d. | 0.01% |
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3.
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Under what SimulationXpress / COSMOSXpress menu tab
do you set system units?
a. | Material tab | d. | None
of the above | b. | Restraint
tab | e. | All of the above | c. | Welcome
tab |
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4.
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Under what SimulationXpress / COSMOSXpress menu tab can you modify the Mesh
period of the part? a. | Restraint tab | c. | Analyze tab | b. | Material
tab | d. | None of the above |
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5.
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An increase Mesh period for a part will? a. | Decrease calculation accuracy | c. | Have no effect | b. | Increase
calculation accuracy | d. | Change the FOS below
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6.
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How many degrees of freedom does a physical
structure have?
a. | Zero | c. | Three-
Translations | b. | Three- Rotations
only | d. | Six- Three translations and three
rotations |
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7.
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Brittle materials has little tendency to deform ( or strain) before fracture
and does not have a specific yield point. It is not recommended to apply the yield strength analysis
as a failure criterion on brittle material. Which of the following failure theories is appropriate
for brittle materials?
a. | Mohr-Columb stress criterion | c. | Maximum von Mises stress criterion | b. | Maximum shear stress criterion | d. | Minimum shear
stress criterion |
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8.
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A material is orthotropic if its mechanical or thermal properties are not
unique and independent in three mutually perpendicular directions.
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9.
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You are performing an analysis on your model. You select three faces and apply
a 40lb load. What is the total force applied to the model? a. | 40lbs | c. | 120lbs | b. | 20lbs | d. | Additional information is
required |
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10.
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SimulationXpress / COSMOSXpress supports the analysis of the
following? a. | Solid, single-body part | c. | Surface models | b. | Assemblies | d. | Multi-body parts |
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11.
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What are the available system units in SimulationXpress /
COSMOSXpress? a. | SI | c. | RPT | b. | IPS | d. | SI and IPS |
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12.
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Under what SimulationXpress / COSMOSXpress menu tab can you modify the Element
size and Element tolerance for the Mesh period? a. | Restraint tab | c. | Analyze tab | b. | Material
tab | d. | None of the above |
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13.
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The Maximum normal stress criterion is also known as the? a. | Mohr-Coulomb’s criterion | c. | Maximum shear stress criterion | b. | Maximum von Mises stress criterion | d. | None of the
above |
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14.
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SimulationXpress / COSMOSXpressuses the vonMises Yield Criterion to calculate
the Factor of Safety of many ductile materials. According to the criterion: a. | Material yields when the vonMises stress in the model
equals the yield strength of the material. | c. | Material yields when the vonMises stress in the model is 3 times greater than
the FOS of the material. | b. | Material yields
when the vonMises stress in the model to 5 times greater that the minimum tensile strength of the
material. | d. | None of the above |
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15.
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SimulationXpress / COSMOSXpress calculates structural failure on:
a. | Bucking | c. | Creep | b. | Fatigue | d. | Material yield |
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16.
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In an engineering analysis, you select a face to restrain. What is the
affect? a. | The face will not translate but can
rotate | c. | You can not apply a restraint to a
face | b. | The face will rotate but can not
translate | d. | The face will not rotate and will not
translate |
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17.
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Is it possible using SimulationXpress / COSMOSXpress to know the X,Y,Z
coordinate location where the minimum and maximum stress or the displacement occur on the
model? a. | No | b. | Yes.
Export the results in HTML report format. The X,Y,Z locations are displayed in the Stress and
Displacement section. |
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