The maximum bending moment due to a moving load on a simply supported beam, occurs
-
at the mid span -
at the supports -
under the load -
anywhere on the beam -
none of these.
The stress at which extension of a material takes place more quickly as compared to the increase in load, is called
-
elastic point -
plastic point -
breaking point -
yielding point.
Ties are load carrying members of a frame, which are subjected to
-
transverse loads -
axial tension loads -
axial compressive loads -
torsional loads.
The moment diagram for a cantilever carrying a concentrated load at its free end, will be
-
triangle -
rectangle -
parabola -
cubic parabola.
The stress at which extension of a material takes place more quickly as compared to the increase in load, is called
-
elastic point -
plastic point -
breaking point -
yielding point.
The moment diagram for a cantilever carrying a concentrated load at its free end, will be
-
triangle -
rectangle -
parabola -
cubic parabola.
The equivalent length of a column fixed at both ends, is
-
0.5 l -
0.7 l -
l -
2 l -
1.5 l.
A short masonry pillar iscm xcm in cross-section, the core of the pillar is a square whose side is
-
17.32 cm -
14.14 cm -
20.00 cm -
22.36 cm -
25.22 cm.
Strain energy of any member may be defined as work done on it
-
to deform it -
to resist elongation -
to resist shortening -
all the above.
A three hinged arch is loaded with an isolated loadkg at a horizontal distance of 2.5 m from the crown, 1 m above the level of hinges at the supportsmetres apart. The horizontal thrust is
-
1250 kg -
125 kg -
750 kg -
2500 kg -
2325 kg.
At either end of a plane frame, maximum number of possible transverse shear forces, are
-
one -
two -
three -
four -
zero.
The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a
-
triangle -
rectangle -
parabola -
cubic parabola.
A three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.tonne per metre over half left hand span. The horizontal thrust at the support will be
-
10.8 tonnes -
1.08 tonnes -
1.8 tonnes -
0.8 tonnes -
none of these.
In a square beam loaded longitudinally, shear develops
-
on middle fibre along horizontal plane -
on lower fibre along horizontal plane -
on top fibre along vertical plane -
equally on each fibre along horizontal plane -
none of these.
In a shaft rotated by a couple, the shear force varies
-
from zero at the centre to a maximum at the circumference -
from minimum at the centre of maximum at the circumference -
from maximum at the centre to zero at the circumference -
equally throughout the section -
none of these.
Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose
-
one end is fixed and other end is hinged -
both ends are hinged or pin jointed -
one end is fixed and the other end entirely free -
both the ends are fixed -
none of the these.
A 8 metre long simply supported rectangular beam which carries a distributed loadkg/m. experiences a maximum fibre stresskg/cm2. If the moment of inertia of the beam iscm4, the overall depth of the beam is
-
10 cm -
12 cm -
15 cm -
16 cm -
18 cm.
A 8 metre long simply supported rectangular beam which carries a distributed loadkg/m. experiences a maximum fibre stresskg/cm2. If the moment of inertia of the beam iscm4, the overall depth of the beam is
-
10 cm -
12 cm -
15 cm -
16 cm -
18 cm.
The slenderness ratio of a vertical column of square cross- section ofcm side andcm long, is
-
117.2 -
17.3 -
173.2 -
137.2 -
13.72
A rectangular log of wood is floating in water with a load ofN at its centre. The maximum shear force in the wooden log is
-
50 N at each end -
50 N at the centre -
100 N at the centre -
none of these.
The slenderness ratio of a vertical column of square cross- section ofcm side andcm long, is
-
117.2 -
17.3 -
173.2 -
137.2 -
13.72
If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by
-
8 -
1/8 -
1/3 -
2 -
3
The section modulus of a rectangular light beammetres long is 12.cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load oftonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is
-
13.33 kg/cm2 tensile -
13.33 kg/cm2 compressive -
26.67 kg/cm2 tensile -
26.67 kg/cm2 compressive -
none of these.
The deflection of any rectangular beam simply supported, is
-
directly proportional to its weight -
inversely proportional to its width -
inversely proportional to the cube of its depth -
directly proportional to the cube of its length -
none of these.
The following assumption is not true in the theory of pure torsion :
-
The twist along the shaft is uniform -
The shaft is of uniform circular section throughout -
Cross-section of the shaft, which is plane before twist remains plane after twist -
All radii get twisted due to torsion.
The rise of a parabolic arch at quarter points, is equal to
-
times the rise of the crown -
times the rise of the crown
-
times the rise of the crown
-
times the rise of the crown -
times the rise of the crown.
The maximum deflection of
-
a simply supported beam carrying a uniformly increasing load from either end and having the apex at the mid span is 
-
a fixed ended beam carrying a distributed load over the span is -
a fixed ended beam carrying a concentrated load at the mid span is -
a cantilever beam subjected to a moment M at the free end is -
All the above.
The length of a column which gives the same value of buckling load by Euler and Rankine-Gordon formula, is equal to
-
-
-
-
none of these.
Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a concentrated load W at its free end, is
The section modulus of a rectangular light beammetres long is 12.cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load oftonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is
-
13.33 kg/cm2 tensile -
13.33 kg/cm2 compressive -
26.67 kg/cm2 tensile -
26.67 kg/cm2 compressive -
none of these.