Q.1
The bending moment at a point on a beam is the algebraic ________ of all the moments on either side of the point.
Q.2
The shear force at a point on a beam is the algebraic __________ of all the forces on either side of the point.
Q.3
In spring balances, the spring is used
Q.4
The design of thin cylindrical shells is based on
Q.5
A shaft of diameter D is subjected to a twisting moment (T) and a bending moment (M). If the maximum bending stress is equal to maximum shear stress developed, then M is equal to
Q.6
In the above question, the normal stress on an oblique section will be maximum, when θ is equal to
Q.7
A column is said to be a short column, when
Q.8
The shear force diagram for a cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a
Q.9
In a thin cylindrical shell subjected to an internal pressure p, the ratio of longitudinal stress to the hoop stress is
Q.10
The property of a material by virtue of which a body returns to its original, shape after removal of the load is called
Q.11
The hoop stress in a riveted cylindrical shell of diameter (d), thickness (t) and subjected to an internal pressure (p) is (where η = Efficiency of the riveted joint)
Q.12
The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is
Q.13
In the below figure, the stress corresponding to point ‘D’ is
Strength of Materials mcq question image
Q.14
The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. radius of shaft) is known as
Q.15
Two shafts 'A' and 'B' have the same material. The shaft 'A' is solid of diameter 100 mm. The shaft 'B' is hollow with outer diameter 100 mm and inner diameter 50 mm. The torque transmitted by shaft 'B' is __________ as that of shaft 'A'.
Q.16
Two closely coiled helical springs 'A' and 'B' are equal in all respects but the diameter of wire of spring 'A' is double that of spring 'B' The stiffness of spring 'B' will be __________ that of spring 'A'
Q.17
When a column is subjected to an eccentric load, the stress induced in the column will be
Q.18
A beam encastered at both the ends is called
Q.19
The deformation of the bar per unit length in the direction of the force is known as
Q.20
Deformation per unit length in the direction of force is known as
Q.21
According to Euler's column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.
Q.22
When a thin cylindrical shell is subjected to an internal pressure, the volumetric strain is (where ε₁ = Hoop strain, and ε₂ = Longitudinal strain)
Q.23
A beam of uniform strength has
Q.24
If a material expands freely due to heating it will develop
Q.25
According to Euler's column theory, the crippling load of a column is given by p = π² EI/Cl² In this equation, the value of ‘C’ for a column with both ends hinged, is
Q.26
Tensile strength of a material is obtained by dividing the maximum load during the test by the
Q.27
A double strap butt joint with equal straps is
Q.28
The limit of eccentricity for no tensile conditions for a column of circular section of diameter (d) is
Q.29
The thickness of a thin cylindrical shell with hemispherical ends is _________ that of spherical ends.
Q.30
In a thick cylindrical shell subjected to an internal pressure (p), the radial stress across the thickness of the cylinder is
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