# A long structural column(length = L) with both ends hinged is acted upon by an axial compressive load, P. The differential equation governing the bending of column is given by where y is the structural lateral deflection and EI is the flexural rigidity. The first critical load on column responsible for its buckling is given by

1.   π2EI/L2

2.  √2 π2EL/L2

3.  2π2EI/L2

4.  4π2EI/L2

4

π2EI/L2

Explanation :
No Explanation available for this question

# In a redundant joint model, three bar members are pin connected at Q as shown in the figure. Under some load placed at Q, the elongation of the members MQ and OQ are found to be 48 mm and 35 mm respectively. Then the horizontal displacement u and the vertical displacement v of the node Q, in mm, will be respectively.

1.  -6.64 and 56.14

2.  6.64 and 56.14

3.  0.0 and 59.41

4.  59.41 and 0.0

4

6.64 and 56.14

Explanation :
No Explanation available for this question

# Top ring beam of an Intze tank carries a hoop tension of 120 kN. The beam cross-section is 250 mm wide and 400 mm deep and it is reinforced with 4 bars of 20 mm diameter of Fe 415 grade. Modular ratio of the concrete is 10. The tensile stress in N/mm2 in the concrete is

1.  1.02

2.  1.07

3.  1.20

4.  1.32

4

1.07

Explanation :
No Explanation available for this question

# A “H” shaped frame of uniform flexural rigidity EI is loaded as shown in the figure. The relative outward displacement between points K and O is

1.  RLh2/EI

2.  RL2h/EI

3.  RLh2/3EI

4.  RL2h/3EI

4

RLh2/EI

Explanation :
No Explanation available for this question

# A simply supported beam of uniform rectangular cross-section of width b and depth h is subjected to linear temperature gradient, 0o at the top and To at the bottom, as shown in the figure. The coefficient of linear expansion of the beam material is α. The resulting vertical deflection at the mid-span of the beam is

1.  αTh2/8L upward

2.  αTL2/8h upward

3.  αTh2/8L downward

4.  αTL2/8h downward

4

αTL2/8h downward

Explanation :
No Explanation available for this question

# A truss, as shown in the figure, is carrying 180 kN load at node L2. The force in the diagonal member M2U4 will be

1.  100 kN tension

2.  100 kN compression

3.  80 kN tension

4.  80 kN compression

4

100 kN tension

Explanation :
No Explanation available for this question

# A steel portal frame has dimensions, plastic moment capacities and applied loads as shown in the figure. The vertical load is always twice of the horizontal load. The collapse load P required for the development of a beam mechanism is

1.  3Mp/L

2.   4Mp/L

3.  6Mp/L

4.  8Mp/L

4

3Mp/L

Explanation :
No Explanation available for this question

# Group I contains some properties of concrete/cement and Group 2 contains list of some tests on concrete/cement. Match the property with the corresponding test. Group I Group I P.workability of concrete 1.cylinder splitting test Q.direct tensile strength of concrete 2.Vee-Bee test R.bond between concrete and steel 3.surface area test S.fineness of cement 4.fineness modulus test   5.pull out test. Codes : P Q R S

1.  2 1 5 3

2.  4 5 1 3

3.  2 1 5 4

4.  2 5 1 4

4

2 1 5 4

Explanation :
No Explanation available for this question

# Group I contains some elements in design of a simply supported plate girder and Group 2 gives some qualitative locations on the girder. Match the items of two lists as per good design practice and relevant codal provisions. Group I Group II P.flange splice 1.at supports (minimum) Q.web splice 2.away from centre of span R.bearing stiffeners 3.away from support S.horizontal stiffener 4.in the middle of span   5.longitudinally somewhere in the compression flange Codes : P Q R S

1.  2 3 1 5

2.  4 2 1 3

3.  3 4 2 1

4.  1 5 2 3

4

2 3 1 5

Explanation :
No Explanation available for this question

1.  95 and 55

2.  95 and 75

3.  75 and 55

4.  75 and 75

4