Q.1
A cube subjected to three mutually perpendicular stress of equal intensity p expenses a volumetric strain
Q.2
A beam of T-section is subjected to a shear force of F. The maximum shear force will occur at the
Q.3
Which of the following has no unit?
Q.4
The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixes at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be
Q.5
A beam supported on more than two supports is called
Q.6
A beam extending beyond the supports is called
Q.7
When a rectangular bar of length l, breadth b and thickness t is subjected to an axial pull of P, then linear strain (ε) is given by (where E = Modulus of elasticity)
Q.8
The shape of cantilever for uniformly distributed load will be
Q.9
A column with maximum equivalent length has
Q.10
In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are
Q.11
In compression test, the fracture in cast iron specimen would occur along
Q.12
A closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio of
Q.13
When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.
Q.14
The unit of strain is
Q.15
A fixed beam is one which is fixed at _________.
Q.16
For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.
Q.17
The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by
Q.18
A leaf spring is supported at the
Q.19
The object of caulking in a riveted joint is to make the joint
Q.20
Which of the following is the correct torsion equation?
Q.21
Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as
Q.22
When a change in length takes place, the strain is known as
Q.23
When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as
Q.24
In a stress-strain diagram as shown in the below figure, the curve ‘A’ represents
Strength of Materials mcq question image
Q.25
For the beam shown in the below figure, the shear force diagram between A and B is
Strength of Materials mcq question image
Q.26
For a beam, as shown in the below figure, when the load W is applied in the center of the beam, the maximum deflection is
Strength of Materials mcq question image
Q.27
When two shafts of same length, one of which is hollow, transmit equal torques and have equal maximum stress, then they should have equal
Q.28
The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to
Q.29
Flow stress corresponds to
Q.30
Which is the false statement about true stress strain method?
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