| The loaded column is having the tendency to deflect. On account of this tendency the critical load |
A) decreases with the decrease in length
B) decreases with the increase in length
C) first decreases then increases with the decrease in length
D) first increases then decreases with the decrease in length
| A column carries a factored axial compressive load of 2400 kN and factored bending moment of 96 kN-m. If 300mm × 400mm base plate is provided with larger dimension in direction of moment, then minimum pressure experienced by the plate will be |
A) 16 MPa
B) 12 MPa
C) 8 MPa
D) 0
| The kernel of a section is that portion within which load may be placed so as |
A) To produce tensile stress at one end and compressive stress at the other end
B) To produce tensile stress at both ends of the section
C) To produce tensile stress in the middle of the section
D) Not to produce tensile stress anywhere in the section
| The ratio of crippling load for a column of length (l) with both ends fixed to the same column with both ends hinged is |
A) 0.5
B) 1.0
C) 2.0
D) 4.0
| Web crippling is caused by |
A) excessive bending moment
B) failure of web under point loads
C) reduced width of the flanges
D) column action of the web
| As per approximate analysis for multi-storeyed frames subjected to vertical loads in the exterior bay, it is assumed that the hinge points are approximately located at a distance of _____ from the exterior column. (L = span of the beam) |
A) 0.05 L
B) 0.10 L
C) 0.15 L
D) 0.20 L
| The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length is |
A) 200
B) 250
C) 316
D) 416
| If a column having circular cross-section is subjected to compressive load at an eccentricity equal to radius of gyration of the section, |
A) entire cross-section will be under compressive stress everywhere
B) entire cross-section will be under compressive stress and zero stress on the face opposite to the eccentricity
C) some part of the section will be under compressive stress and the other part will be under tensile stress
D) entire cross-section will be under tensile stress everywhere
| If the diameter of a long column is reduced by 50%, then Euler’s buckling load will be reduced by |
A) 6.25%
B) 12.5%
C) 50%
D) 93.75%
| Slenderness ratio of compression member is |
A) shear
B) axis tension
C) bending
D) axial compression
