CIVIL ENGINEERING QUIZ-SOM(Properties & stresses)

CIVIL ENGINEERING QUIZ-SOM(Properties & stresses)

1. Rupture Stress is

A) Breaking Stress
B) Maxm Load/Original C/S Area
C) Load on breaking point/Original C/s Area
D) Load on breaking point/Neck Area

... Answer is D)
Load on breaking point/Neck Area"

2. Elasticity of the various material is controlled by its

A) Ultimate tensile stress
B) Proof stress
C) Stress at yield point
D) Stress at elastic limit

... Answer is D)
Stress at elastic limit"

3. Ratio of lateral strain to linear strain within elastic limit is known as

A) Youngs modulus
B) Bulk Modulus
C) Modulus of rigidity
D) Poissons Ratio

... Answer is D)
Poissons Ratio"

4. Ratio of direct stress to volumetric strain is case of a body is subjected to three mutually perpendicular stress of equal intensity is

A) Youngs modulus
B) Bulk Modulus
C) Modulus of rigidity
D) None of above

... Answer is B)
Bulk Modulus "

5. if a material expends freely due to heating it will develop

A) thermal stresses
B) Tensile stress
C) No stress
D) Bending

... Answer is C)
No stress "

6. In a tensile test, near the elastic limit zone

A) Tensile strain increases more quickly
B) Tensile strain decreases more quickly
C) Tensile strain increases in proportion to the stress
D) Tensile strain Decreases in proportion to the stress

... Answer is A)
Tensile strain increases more quickly"

7. The property of a material by virtue of which it can be beaten or rolled into plates is called

A) Malleability
B) Ductilty
C) Plasticity
D) Elasticity

... Answer is A)
Malleability"

8. Maximum strain energy that can be stored in a body is known as

A) Impact energy
B) Toughness
C) Proof resilience
D) None of these

... Answer is B)
Toughness"

9. Proof stress

A) Is the safest stress
B) Causes a specified permanent deformation in a material , usually 0.01% or less
C) Is used in Connection with material like mild steel
D) Does not exist

... Answer is B)
Causes a specified permanent deformation in a material , usually 0.01% or less"

10. If a material is subjected to a tensile load then avoid shear failure of a material along plain inclined at 45 degree to the direction of tensile stress, the material should have its shear strength at less equal to

A) Its tensile strength
B) Half the tensile strength
C) Its compressive strength
D) Principle stress

... Answer is B)
Half the tensile strength"