Mechanical Engineering - Strength of Materials
Exercise : Strength of Materials - Section 3
41.
The maximum deflection of a fixed beam of length l carrying a central point load W is
42.
The breaking stress is __________ the ultimate stress.
43.
A bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then
44.
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
45.
The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The resultant stress is given by
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