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This set of Strength of Materials Multiple Choice Questions & Answers (MCQs) focuses on Strength Of Materials Set 2
Q1 | the ratio of lateral strain to linear strain is known as
- poisson's ratio
- bulk modulus
- modulus of rigidity
- modulus of elasticity
Q2 | The ratio of shear stress to shear strain is known as
- poisson's ratio
- bulk modulus
- modulus of rigidity
- modulus of elasticity
Q3 | The ratio of normal stress of each face of a solid cube to volumetric strain is called
- poisson's ratio
- bulk modulus
- modulus of rigidity
- modulus of elasticity
Q4 | Hooke's law holds good up to
- proportional limit
- yield point
- elastic limit
- plastic limit
Q5 | The property of material by virtue of which a body returns to its original shape after removal of load is known as
- ductility
- plasticity
- elasticity
- resilience
Q6 | The work done in producing strain on a material per unit volume is called
- resilience
- ductility
- elasticity
- plasticity
Q7 | The property of material by virtue of which a material can be beaten into plates is called
- ductility
- malleability
- resilience
- plasticity
Q8 | The Combined effect of external forces acting on body is called
- stress
- strain
- load
- none
Q9 | ………….Load is one which is considered to act at a point.
- triangular
- uniformly distributed load
- point
- none
Q10 | The internal resistance which the body offers to meet the load or external force is called
- stress
- strain
- pressure
- none
Q11 | The Unit of stress in SI unit is
- mn/mm2
- kn/mm2
- n/mm2
- all of above
Q12 | ……….represents the resistance developed by a unit area of cross section.
- unit stress
- total stress
- either of above
- all of above
Q13 | Simple stress is often called
- direct stress
- transverse stress
- total stress
- any of above
Q14 | The deformation per unit length is called……….
- strain
- tensile stress
- compressive stress
- shear stress
Q15 | If L and dL are are length and change in length respectively, then strain is equal to
- dl/l
- l/dl
- lxdl
- none
Q16 | For material Poisson’s ratio is 0.25. Relation between E and G will be
- 0
- 2g
- 3g
- 2.5g
Q17 | The modulus of elasticity of a material is 210 GPa and its Poisson's ratio is 0.4. The modulus of rigidity of the material is
- 210
- 75
- 350
- 300
Q18 | The value of factor of safety is always
- >1
- <1
- 1
- 0
Q19 | The value of margin of safety is always
- >1
- <1
- 1
- >0
Q20 | If the working load is one third of the ultimate load, the factor of safety is
- 0.333
- 3
- 2
- 1
Q21 | If 1 is subtracted from the ratio of yield stress to working stress the quantity obtained is known as
- margin of safety
- f.o.s.
- modulus of elasticity
- none of the above
Q22 | Stress does not depend upon
- applied force
- area of c/s
- change in length
- none of the above
Q23 | Stress does not depend upon
- applied force
- area of c/s
- modulus of elasticity
- none of the above
Q24 | A metal plate of length L and width b has a circle drawn on it. If it is subjected to a compressive stress acting along its width, the circle will
- remain circle of same radius
- become ellipse with major axis along its width
- become ellipse with major axis along its length
- become circle of smaller radius