[A]. t
[B]. 2t
[C]. 4t
[D]. 8t
✅ The correct answer is option C.
Strength of Materials MCQs
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.
[A]. same
[B]. double
[C]. four times
[D]. six times
✅ The correct answer is option B.
Resilience is the
[A]. energy stored in a body when strained within elastic limits
[B]. energy stored in a body when strained upto the breaking of the specimen
[C]. maximum strain energy which can be stored in a body
[D]. none of the above
✅ The correct answer is option D.
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
[A]. 400 MPa
[B]. 500 MPa
[C]. 900 MPa
[D]. 1400 MPa
✅ The correct answer is option D.
A beam supported at its both ends is not a simply supported beam.
[A]. True
[B]. False
null
null
✅ The correct answer is option B.
For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is
[A].
[B].
[C].
[D].
✅ The correct answer is option A.
A load which is spread over a beam in such a manner that it varies uniformly over the whole length of abeam is called uniformly __________ load.
distributed
varying
✅ The correct answer is option B.
In order to prevent crushing of masonry at the base of the dam, the maximum stress should be __________ the permissible stress of the soil.
[A]. equal to
[B]. less than
[C]. more than
null
✅ The correct answer is option B.
The strain energy stored in a solid circular shaft subjected to shear stress (τ) is (where C = Modulus of rigidity for the shaft material)
x Volume of shaft
x Volume of shaft
x Volume of shaft
x Volume of shaft
✅ The correct answer is option D.