The greatest load which a spring can carry without getting permanently distorted, is called Stiffness Proof stress Proof resilience Proof load TRUE ANSWER : ? YOUR ANSWER : ?
The shape factor of standard rolled beam section varies from 1.20 to 1.30 1.30 to 1.40 1.40 to 1.50 1.10 to 1.20 TRUE ANSWER : ? YOUR ANSWER : ?
The stiffness of the close coil helical spring is 4D3N/d4n d4N/4D3n d4N/8D3n 8D3N/d4n TRUE ANSWER : ? YOUR ANSWER : ?
The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch). 200/EIc 100/EIc 150/EIc 50/EIc TRUE ANSWER : ? YOUR ANSWER : ?
The equivalent length of a column of length L, having both the ends hinged, is 2L L/2 L S TRUE ANSWER : ? YOUR ANSWER : ?
In plastic analysis, the shape factor for a triangular section, is 2.5 1.34 1.5 2.34 TRUE ANSWER : ? YOUR ANSWER : ?
Maximum shear stress theory for the failure of a material at the elastic limit, is known Guest's or Trecas' theory St. Venant's theory Rankine's theory Haig's theory TRUE ANSWER : ? YOUR ANSWER : ?
A material is said to be perfectly elastic if It regains its original shape on removal of the load None of these It does not regain its original shape at all It regains its original shape partially on removal of the load TRUE ANSWER : ? YOUR ANSWER : ?
The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is WL3/2EI WL²/2EI WL3/3EI WL²/3EI TRUE ANSWER : ? YOUR ANSWER : ?
The point of contraflexure is the point where M. is maximum M. is minimum M. changes sign S.F. is zero TRUE ANSWER : ? YOUR ANSWER : ?