Q.1
The point of contraflexure occurs in
Q.2
The shear force at the ends of a simply supported beam carrying a uniformly distributed load of w per unit length is
Q.3
Proof resilience per material is known as
Q.4
The maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4th of its maximum crushing stress of punch, is equal to (where t = Thickness of the plate)
Q.5
The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called
Q.6
The stress developed in the material without any permanent set is called
Q.7
The maximum bending moment of a simply supported beam of span l and carrying a point load W at the center of beam, is
Q.8
According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end hinged, is
Q.9
The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be
Q.10
Which of the following statement is correct?
Q.11
Which of the following statement is correct?
Q.12
Which of the following statement is correct?
Q.13
Which of the following statement is correct?
Q.14
The maximum deflection of a fixed beam of length ‘l’ carrying a total load ‘W’ uniformly distributed over the whole length is
Q.15
Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,
Q.16
In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be
Q.17
In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.
Q.18
A beam which is fixed at one end and free at the other is called
Q.19
The strain energy stored in a solid circular shaft subjected to shear stress (τ), is:
(Where, G = Modulus of rigidity for the shaft material)
Q.20
The strain energy stored in a solid circular shaft in torsion, subjected to shear stress (τ), is:
(Where, G = Modulus of rigidity for the shaft material)
Q.21
At the neutral axis of a beam, the shear stress is
Q.22
Percentage reduction of area in performing tensile test on cast iron may be of the order of
Q.23
Principle plane is a plane on which the shear stress is
Q.24
A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The maximum tangential stress at the inner surface of the shell is
Q.25
In a thick cylindrical shell subjected to an internal pressure (p), the maximum radial stress at the inner surface of the shell is
Q.26
The assumption, generally, made in the theory of simple bending is that
Q.27
A thick cylindrical shell having r₀ and ri as outer and inner radii, is subjected to an internal pressure (p). The maximum tangential stress at the inner surface of the shell is
Q.28
The thermal stress in a bar is __________ proportional to the change in temperature.
Q.29
A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with one end fixed and the other end free.
Q.30
Percentage reduction in area performing tensile test on cast iron may be of the order of
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