The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (?x and ?y) acting at a body across two mutually perpendicular planes. The normal stress on an oblique section making an angle ? with the minor principle plane is given by
Options
A. OC
B. OP
C. OQ
D. PQ
Correct Answer
OQ
Strength of Materials problems
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1. The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as
6. If percentage reduction in area of a certain specimen made of material 'A' under tensile test is 60% and the percentage reduction in area of a specimen with same dimensions made of material 'B' is 40%, then
Options
A. the material A is more ductile than material B
B. the material B is more ductile than material A
C. the ductility of material A and B is equal
D. the material A is brittle and material B is ductile
Correct Answer: an increase in diameter and length of the shell
10. The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be __________ as compared to beam A.