Q.1
The product of Young's modulus (E) and moment of inertia (I) is known as
Q.2
When a body is subjected to direct tensile stresses (σx and σy) in two mutually perpendicular directions, accompanied by a simple shear stress τxy, then in Mohr's circle method, the circle radius is taken as
Q.3
The maximum shear stress developed in a beam of rectangular section is __________ the average shear stress.
Q.4
When a load on the free end of a cantilever beam is increased, failure will occur
Q.5
A beam is loaded as cantilever. If the load at the end is increased, the failure will occur
Q.6
The steel bars in a reinforced cement concrete beam are embedded __________ of the beam.
Q.7
The rivets are used for _________ fastenings.
Q.8
The tensile test is carried on __________ materials.
Q.9
The compression test is carried on __________ materials.
Q.10
A welded joint as compared to a riveted joint has __________ strength.
Q.11
If a part is constrained to move and heated, it will develop
Q.12
The bending stress in abeam is __________ bending moment.
Q.13
For long columns, the value of buckling load is __________ crushing load.
Q.14
Longitudinal stress in a thin cylinder is
Q.15
Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is half that of spring 'B' The ratio of deflections in spring 'A' to spring 'B' is
Q.16
In case of eccentrically loaded struts __________ is preferred.
Q.17
Rivets are made of following type of material
Q.18
The breaking stress is __________ the ultimate stress.
Q.19
The shear stress at the center of a circular shaft under torsion is
Q.20
The ratio of change in volume to the original volume is called
Q.21
In order to know whether a column is long or short, we must know its
Q.22
The shear force and bending moment are zero at the free end of a cantilever beam, if it carries a
Q.23
When a bar is cooled to -5°C, it will develop
Q.24
The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum shear stress is
Strength of Materials mcq question image
Q.25
A simply supported beam with a gradually varying load from zero at ‘B’ and ‘w’ per unit length at ‘A’ is shown in the below figure. The shear force at ‘B’ is equal to
Strength of Materials mcq question image
Q.26
The layer at the center of gravity of the beam as shown in the below figure, will be
Strength of Materials mcq question image
Q.27
The longitudinal stress in a riveted cylindrical shell of diameter (d), thickness (t) and subjected to an internal pressure (p) is
Q.28
The maximum shear stress in a thin cylindrical shell subjected to internal pressure 'p' is
Q.29
The Rankine's formula holds good for
Q.30
Euler's formula holds good only for
0 h : 0 m : 1 s