Strength Of Materials In Me - Study Mode

[#176] In the below figure, Hook's law holds good, for the portion from_________.
Correct Answer

(A) O to A

Explanation

Solution:

[#177] In a simple bending theory, one of the assumptions is that the material of the beam is isotropic. This assumption means that the
Correct Answer

(C) Elastic constants are same in all the directions

[#178] A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m 2 , then the hoop stress will be
Correct Answer

(C) 100 MN/m 2

[#179] A bar of copper and steel form a composite system, which is heated to a temperature of 40°C. The stress induced in the copper bar will be
Correct Answer

(B) Compressive

[#180] The relation between equivalent length (L) and actual length ($$l$$) of a column for both ends fixed is
Correct Answer

(A) $${ ext{L}} = frac{l}{2}$$