Maximum principal stress theory for the failure of a material at elastic point, is known
-
Guest's or Trecas' theory -
St. Venant's theory -
Rankine's theory -
Haig's theory -
Von Mises's theory.
The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is
Shear centre of a half circular section of radius r and of constant thickness, lies at a distance of x from the centre where x is
Pick up the correct statement from the following:
-
The moment of inertia is calculated about the axis about which bending takes place -
If tensile stress is less than axial stress, the section experiences compressive stress -
If tensile stress is equal to axial stress, the section experiences compressive stress -
If tensile stress is more than axial stress, some portion of the section experiences a tensile stress -
All the above.
If D and d are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is
Maximum principal stress theory for the failure of a material at elastic point, is known
-
Guest's or Trecas' theory -
St. Venant's theory -
Rankine's theory -
Haig's theory -
Von Mises's theory.
For determining the force in the member AB of the truss shown in the given figure by method of sections, the section is made to pass through AB, AD and ED and the moments are taken about 
-
joint C -
joint B -
joint D -
joint A
For calculating the allowable stress of long columns 
is the empirical formula, known as
-
Straight line formula -
Parabolic formula -
Perry's formula -
Rankine's formula.
The forces acting normally on the cross section of a bar shown in the given figure introduce 
-
compressive stress -
tensile stress -
shear stress -
none of these.
A body is said to be in equilibrium if
-
it moves horizontally -
it moves vertically -
it rotates about its C.G. -
none of these.
If D and d are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is
Pick up the correct statement from the following:
-
The moment of inertia is calculated about the axis about which bending takes place -
If tensile stress is less than axial stress, the section experiences compressive stress -
If tensile stress is equal to axial stress, the section experiences compressive stress -
If tensile stress is more than axial stress, some portion of the section experiences a tensile stress -
All the above.
Maximum principal stress theory for the failure of a material at elastic point, is known
-
Guest's or Trecas' theory -
St. Venant's theory -
Rankine's theory -
Haig's theory -
Von Mises's theory.
For determining the force in the member AB of the truss shown in the given figure by method of sections, the section is made to pass through AB, AD and ED and the moments are taken about
-
joint C -
joint B -
joint D -
joint A
The forces acting normally on the cross section of a bar shown in the given figure introduce
-
compressive stress -
tensile stress -
shear stress -
none of these.
The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is
The forces acting normally on the cross section of a bar shown in the given figure introduce
-
compressive stress -
tensile stress -
shear stress -
none of these.
A body is said to be in equilibrium if
-
it moves horizontally -
it moves vertically -
it rotates about its C.G. -
none of these.
If D and d are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is
The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is
Pick up the correct statement from the following:
-
The moment of inertia is calculated about the axis about which bending takes place -
If tensile stress is less than axial stress, the section experiences compressive stress -
If tensile stress is equal to axial stress, the section experiences compressive stress -
If tensile stress is more than axial stress, some portion of the section experiences a tensile stress -
All the above.
Maximum principal stress theory for the failure of a material at elastic point, is known
-
Guest's or Trecas' theory -
St. Venant's theory -
Rankine's theory -
Haig's theory -
Von Mises's theory.
is the equation of Euler's crippling load if
-
both at the ends are fixed -
both the ends are hinged -
one end is fixed and other end is free -
one end is fixed and other end is hinged.
For calculating the allowable stress of long columns is the empirical formula, known as
-
Straight line formula -
Parabolic formula -
Perry's formula -
Rankine's formula.
The forces acting normally on the cross section of a bar shown in the given figure introduce
-
compressive stress -
tensile stress -
shear stress -
none of these.
At yield point of a test piece, the material
-
obeys Hooke's law -
behaves in an elastic manner -
regains its original shape on removal of the load -
undergoes plastic deformation.
The forces in the members of simple trusses, may be analysed by
-
graphical method -
method of joints -
method of sections -
all the above.
By applying the static equations i.e. ΣH =ΣV = 0 and ΣM =to a determinate structure, we may determine
-
supporting reactions only -
shear forces only -
bending moments only -
internal forces only -
all the above.
The ratio of lateral strain to axial strain of a homogeneous material, is known
-
Yield ratio -
Hooke's ratio -
Poisson's ratio -
Plastic ratio.
If a solid shaft (diametercm, lengthcm, N = 0.8 x 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress ofN/mm2, the angle of twist in radians, is
-
0.001 -
0.002 -
0.0025 -
0.003 -
0.005