Excel: Strength Of Materials 1-20

Front 1

1.What is the ratio of the transverse strain to the corresponding axial strain in a body subjected to uniaxial stress?

Back 1

A.Poisson’s ratio

Front 2

2.What are the four basic forms of deformation of solid bodies?

Back 2

A.Tension, compression, bending and twisting

Front 3

3.What is a structural member supported horizontally and carries transverse loading?

Back 3

A.Beam

Front 4

4.What refers to a slender member which prevents parts of a structure moving towards each other under compressive force?

Back 4

D.Strut

Front 5

5.What refers to a slender member which prevents parts of a structure moving towards each other under compressive force?

Back 5

C.Strut

Front 6

6.What refers to the point in which the bending moment changes sign through a zero value?

Back 6

C.Point of contraflexure

Front 7

7.What is the unit of strain?

Back 7

B.Unitless

Front 8

8.Volumetric stain is the:

Back 8

D.ratio of change in volume to original volume

Front 9

9.What refers to the stress in the material at the elastic limit?

Back 9

B.Yield stress

Front 10

10.Which of the following materials has the least modulus of elasticity?

Back 10

B.Glass

Front 11

11.Within elastic limit, the shear stress is proportional to shear strain. What is the constant of propotionality of this statement called?

Back 11

A.Modulus of rigidity

Front 12

12.What is the unit of the modulus of elasticity?

Back 12

C.Pa

Front 13

13.Within elastic limit, the volumetric strain is proportional to the hydrostatic stress. What is the constant that relates these two quantities called?

Back 13

D.Bulk modulus

Front 14

14.What is another term for modulus of rigidity?

Back 14

A.Shear modulus

Front 15

15.How many times greater is the plastic range of strain as compared to the elastic range of strain?

Back 15

C.300

Front 16

16.What does it means when the material is said to be “yielding”?

Back 16

B.The material has pass through elastic range and enter the plastic range

Front 17

17.What refers to the parallel axis theorem for second moment of area?

Back 17

B.Steiner’s theorem

Front 18

18.The elastic deformation of a material is:

Back 18

B.inversely proportional to the modulus of elasticity of material

Front 19

19.The strain energy of a member is:

Back 19

C.inversely proportional to the cross-sectional area of the member

Front 20

20.Stiffness is:

Back 20

A.ratio of force to deformation