Q.1
The columns whose slenderness ratio is less than 80, are known as
Q.2
Which of the following statement is wrong?
Q.3
In Mohr's circle, the center of circle from Y-axis is taken as
Q.4
When a bar of length l, width b and thickness t is subjected to a pull of P, its
Q.5
Principal planes are planes having
Q.6
The rectangular beam 'A' has length ‘l’, width ‘b’ and depth ‘d’. Another beam 'B' has the same length and depth but width is double that of 'A'. The elastic strength of beam 'B' will be _________ as compared to beam ‘A’.
Q.7
A beam of uniform strength may be obtained by
Q.8
Two shafts 'A' and 'B' transmit the same power. The speed of shaft 'A' is 250 r.p.m. and that of shaft 'B' is 300 r.p.m.
Q.9
A simply supported beam 'A' of length l, breadth b, and depth d carries a central point load W. Another beam 'B' has the same length and depth but its breadth is doubled. The deflection of beam 'B' will be __________ as compared to beam 'A'.
Q.10
Two closely-coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is double that of spring 'B'. The stiffness of spring 'A' will be __________ that of spring 'B'.
Q.11
If Th is the torque resisting capacity of a hollow shaft and Ts is that of a solid shaft, of the same material, length and weight. Then,
Q.12
If Kh is the torque resisting capacity of a hollow shaft and Ks is that of a solid shaft, of the same material, length and weight. Then,
Q.13
The bending moment at the free end of a cantilever beam is
Q.14
A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum shear stress will be
Q.15
A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be
Q.16
A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The minimum normal stress will be
Q.17
A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum normal stress will be
Q.18
Strain energy is the
Q.19
At the neutral axis of a beam
Q.20
A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was
Q.21
In calculating the strength of a riveted joint in tearing, shearing and crushing, the
Q.22
For a given stress, the ratio of moment of resistance of a beam of square cross-section when placed with its two sides horizontal to the moment of resistance with its diagonal horizontal, is
Q.23
A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be
Q.24
A spring used to absorb shocks and vibrations is
Q.25
A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The minimum normal stress will be
Q.26
If the slenderness ratio for a column is 100, then it is said to be a _________ column.
Q.27
Whenever a material is loaded within elastic limit, stress is __________ strain.
Q.28
The neutral axis of a beam is subjected to __________ stress.
Q.29
When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under
Q.30
The maximum shear stress developed in a beam of circular section is __________ the average shear stress.
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