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FREE Civil Engineering Theory of Structure Question and Answers
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The section modulus at every point on a beam can be calculated by dividing the section's moment of inertia by
Depth of the neutral axis
Depth of the section
Maximum compressive stress at the section
Maximum tensile stress at the section
Correct!
Wrong!
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Choose the appropriate statement from the list below:
If tensile stress is less than axial stress, the section experiences compressive stress
If tensile stress is equal to axial stress, the section experiences compressive stress
The moment of inertia is calculated about the axis about which bending takes place
All of the above
Correct!
Wrong!
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The number of independent equations that must be satisfied for a flat structure to be in static equilibrium is
one
two
three
four
Correct!
Wrong!
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The total of the distribution factors for all the members meeting at any joint in the instant distribution technique is always
One
Zero
Greater than one
Less than one
Correct!
Wrong!
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By taking the virtual work of an elastic system into consideration, the virtual work of
Internal as well as external forces
Internal forces only
External forces only
None of the above
Correct!
Wrong!
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In the case of a section's main axis
Product of moment of inertia is zero
Sum of moment of inertia is zero
Difference of moment inertia is zero
None of the above
Correct!
Wrong!
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When a body is in equilibrium, it means
It moves vertically
It rotates about its C.G.
It moves horizontally
None of the above
Correct!
Wrong!
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