# Stiffness method of structural analysis starts with

1.  Force-deformation relations

2.  Equilibrium condition

3.  Compatible deformation

4.  Equilibrium state of internal stress components

4

Equilibrium condition

Explanation :
No Explanation available for this question

# A stepped circular shaft is fixed at A and C as shown in the above figure. The diameter of the shaft along BC is twice that of as along AB. The torsional rigidity of AB is GJ. The torque required for unit twist at B is

1.  2GJ/l

2.  5GJ/l

3.  9GJ/l

4.  17GJ/l

4

17GJ/l

Explanation :
No Explanation available for this question

# The force required to produce a unit displacement (translation without rotation) at either one-third point of a fixed beam of span l and of uniform flexural rigidity EI is:-

1.  729EI/l3

2.  724EI/l3

3.  729EI/3l3

4.  729EI/2l3

4

729EI/2l3

Explanation :
No Explanation available for this question

# The stiffness coefficient k11 for the beam as shown above is

1.  EI (1/a3 + 1/b3)

2.  2EI (1/a3 + 1/b3)

3.  3EI (1/a3 + 1/b3)

4.  4EI (1/a3 + 1/b3)

4

4EI (1/a3 + 1/b3)

Explanation :
No Explanation available for this question

# For which one of the following cases is the Muller-Breslau principle applicable to get influence line

1.  Reaction at the ends of a simple beam

2.  Bending moment at a section

3.  Shear force at a section

4.  Forces and moments at any section

4

Forces and moments at any section

Explanation :
No Explanation available for this question

# The area of influence diagram for the reaction at the hinged end of a uniform propped cantilever beam of span l is

1.  3l/8

2.  l/2

3.  l/4

4.  l/8

4

3l/8

Explanation :
No Explanation available for this question

# Consider the following statements: 1. The virtual work method is preferred to the equilibrium method for the determination of collapse load in a structure. 2. The number of plastic hinges required for the total collapse of a statically indeterminate structure is one less than the degree of indeterminacy of the structure. 3. In a large system the uniformly distributed load can be replaced by a number of concentrated loads to simplify the plastic analysis. Which of these statements are correct

1.  1, 2 and 3

2.  1 and 2 only

3.  1 and 3 only

4.  2 and 3 only

4

1 and 3 only

Explanation :
No Explanation available for this question

# For the frame shown above, what is the horizontal thrust at A

1.  4 kN

2.  8 kN

3.  10 kN

4.  12 kN

4

4 kN

Explanation :
No Explanation available for this question

# Mid-span deflection for the beam-load system shown above can be obtained by 1. Area-moment method 2. Energy method 3. Generalized three moment equation 4. Conjugate beam method

1.  1, 2 and 3 only

2.  1, 2 and 4 only

3.  2, 3 and 4 only

4.  1, 2, 3 and 4

4

1, 2 and 4 only

Explanation :
No Explanation available for this question

# A frame ABCD is supported by a roller at A and is on a hinge at C as shown in the above figure. The reaction at the roller end A is given by

1.  P

2.  2P

3.  P/2

4.  Zero

4

Zero

Explanation :
No Explanation available for this question

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