Technical Civil 04 (Strength of Material)

The slope of the stress-strain curve in the elastic deformation region is ____________
a) Elastic modulus
b) Plastic modulus
c) Poisson’s ratio
d) None of the mentioned

• A

• B

• C

• D

Which point on the stress strain curve occurs after the proportionality limit?
a) Upper yield point
b) Lower yield point
c) Elastic limit
d) Ultimate point

• A

• B

• C

• D

What is the point P shown on the stress strain curve?

a) Upper yield point
b) Yield plateau
c) Elastic limit
d) Ultimate point

• A

• B

• C

• D

How can be the Poissons ratio be expressed in terms of bulk modulus(K) and modulus of rigidity(G)?
a) (3K – 4G) / (6K + 4G)
b) (3K + 4G) /( 6K – 4G)
c) (3K – 2G) / (6K + 2G)
d) (3K + 2G) / (6K – 2G)

• A

• B

• C

• D

What will be the value of the Poisson’s ratio if the Youngs modulus E is equal to the bulk modulus K?
a) 1/2
b) 1/4
c) 1/3
d) 3/4

• A

• B

• C

• D

What is the limiting values of Poisson’s ratio?
a) -1 and 0.5
b) -1 and -0.5
c) -1 and -0.5
d) 0 and 0.5

• A

• B

• C

• D

Group I shows different loads acting on a beam and Group 2 shows

different bending moment distributions. Match the load with the

corresponding bending moment diagram.

Codes:

P Q R S

(a) 4 2 1 3

(b) 5 4 1 3

(c) 2 5 3 1

(d) 2 4 1 3

• A

• B

• C

• D

For the section shown below, second moment of the area about an

axis d/4 distance above the bottom of the area is

• 
• 
• 
• 

The square root of the ratio of moment of inertia of the cross

section to its cross sectional area is called

(A) Second moment of area

(B) Slenderness ratio

(C) Section modulus

(D) Radius of gyration

• A

• B

• C

• D

The following statements are related to bending of beams:

I) The slope of the bending moment diagram is equal to the shear force.

II) The slope of the shear force diagram is equal to the load intensity.

III) The slope of the curvature is equal to the flexural rotation.

IV) The second derivative of the deflection is equal to the curvature.

The only FALSE statement is

• A

• B

• C

• D