The number of independent equations to be satisfied for static equilibrium of a plane structure is
1
2
3
6
Q.2.
For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust
is increased
is decreased
remains unchanged
becomes zero
Q.3.
The deformation of a spring produced by a unit load is called
stiffness
flexibility
influence coefficient
unit strain
Q.4.
If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least __________ of main reinforcement.
40 %
50 %
60 %
70 %
Q.5.
For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
Is increased
Is decreased
Remains unchanged
Becomes zero
Q.6.
The effective length of lacing is the distance
Between the inner end rivets of the bar for single lacing
0.7 of the distance between the inner end rivets of the bar for double lacing
Between the inner ends of effective lengths of welds connecting the members
All the above
Q.7.
If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by
m + r + 2j
m – r + 2j
m + r – 2j
m + r – 3j
Q.8.
Degree of kinematic indeterminacy of a pin-jointed plane frame is given by
2j – r
j – 2r
3j – r
2j + r
Q.9.
The test strength of the sample is taken as the average of the strength of
2 specimens
3 specimens
4 specimens
5 specimens
Q.10.
The slenderness effect of a wall is considered if the effective height of the wall exceeds the thickness
8 times
10 times
12 times
16 times
Q.11.
The number of independent displacement components at each joint of a rigid-jointed space frame is
1
2
3
6
Q.12.
Number of unknown internal forces in each member of a rigid jointed plane frame is
1
2
3
6
Q.13.
Pick up the correct statement for the web stiffeners.
Vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
d is the distance between flange angles or the clear distance between flanges
For horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
All the above
Q.14.
The principle of virtual work can be applied to elastic system by considering the virtual work of
Internal forces only
External forces only
Internal as well as external forces
None of the above
Q.15.
Effects of shear force and axial force on plastic moment capacity of a structure are respectively to
increase and decrease
increase and increase
decrease and increase
decrease and decrease
Q.16.
While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of
zero length
infinite length
zero moment of inertia
none of the above
Q.17.
A simply supported beam deflects by 5 mm when it is subjected to a concentrated load ofkN at its centre. What will be deflection in a 1/model of the beam if the model is subjected to a 1 kN load at its centre ?
5 mm
0.5 mm
0.05 mm
0.005mm
Q.18.
Independent displacement components at each joint of a rigid-jointed plane frame are
three linear movements
two linear movements and one rotation
one linear movement and two rotations
three rotations
Q.19.
The thickness of the rectangular plate for the cap or base of a solid round steel columns, is calculated from the formulat = √[(9W/fbct) × D/(D -d)] where ‘d’ is
The reduced diameter of the column
The dimension of the base
The diameter of the base
The diameter of the top
Q.20.
In the slope deflection equations, the deformations are considered to be caused byi) bending momentii) shear forceiii) axial forceThe correct answer is
only (i)
(i)and(ii)
(ii) and (iii)
(i), (ii) and (iii)
Q.21.
Muller Breslau’s principle for obtaining influence lines is applicable toi) trussesii) statically determinate beams and framesiii) statically indeterminate structures, the material of which is elastic and follows Hooke’s lawiv) any statically indeterminate structureThe correct answer is
(i), (ii) and (iii)
(i), (ii) and (iv)
(i) and (ii)
only (i)
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