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WorksheetsStrength of materials Quiz 1
Total questions: 10
Worksheet time: 6mins
When tensile stress is applied axially on a circular rod its
diameter decreases and length increases
diameter decreases
length increases
What is the point P shown on the stress strain curve?
Ultimate point
Yield plateau
Upper yield point
Elastic point
Strain is a dimensionless quantity.
True
False
The relationship between Young’s modulus (E), Bulk modulus (K) and Poisson’s ratio (µ) is given by
E=2K(1-2µ)
E=2K(1-2µ)
E=2K(1-3µ)
E=3K(1-2µ)
Shear stress causes
Elongation
Distortion
Deformation
Displacement
If the principle stresses in a plane stress problem are 100 MPa and 40 MPa, then maximum shear stress (MPa) will be
30
10
20
100
On a principal plane, both normal and shear stresses act
True
False
Which of the following can be obtained from the Mohr’s Circle
Principal Stress
Stiffness
Moment of Inertia
Damping
What is the unit for stress?
N/m2
Nm
N/m
Nm2
The Shear Stress in the principal plane is
Zero
Maximum
Minimum
