Strength Of Materials In Me - Study Mode

[#126] The neutral axis of the cross-section of a beam is that axis at which the bending stress is
Correct Answer

(A) Zero

[#127] The torque transmitted by a solid shaft of diameter (D) is (where $$ au $$ = Maximum allowable shear stress)
Correct Answer

(B) $$frac{pi }{{16}} imes au imes {{ ext{D}}^3}$$

[#128] The torque transmitted by a hollow shaft of outer diameter (d 1 ) and inner diameter (d 2 ) is (where, $$ au $$ = Maximum allowable shear stress)
Correct Answer

(B) $$frac{pi }{{16}} imes au imes frac{{{ ext{d}}_1^4 - { ext{d}}_2^4}}{{{{ ext{d}}_1}}}$$

[#129] After reaching the yielding stage while testing a mild steel specimen, strain
Correct Answer

(C) Increases without any increase in load

[#130] The load required to produce a unit deflection in a spring is called
Correct Answer

(C) Spring stiffness